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Description: Issue 55 of Coiled Tubing Times Journal

ISSN 1817-3330 2002 has been published since 2002 1 (055) March 2016 www.cttimes.org ICoTA- ICoTA-RussIA Is An Open Club fOR expeRTs InTellIgenT Well COmpleTIOn WITh The pOssIbIlITy Of Re-fRACTuRIng InTegRATed AppROACh TO COIledTubed mulTIsTAge fRAC . . 1 . 6 27 www.packer-service.ru info packer-service.ru 7 495 663 31 07 55 -2016 1 150 1 (055) March 2016 1 2 1 (055) March 2016 1 (055) March 2016 3 4 1 (055) March 2016 Russian Chapter of the Intervention and Coiled Tubing Association nonprofit partnership Coiled Tubing Technologies development Center NP CTTDC 5 1 224 119017 7 499 788 91 24 7 (916) 512 70 54 7 499 788 91 19 -mail info icota-russia.ru Contact information 5 1 Pyzhevsky lane Suite 224 119017 Moscow Russian Federation Telephone 7 499 788 91 24 7 (916) 512 70 54 Fax 7 499 788 91 19 -mail info icota-russia.ru www.icota-russia.ru 1 (055) March 2016 1 - scientific & practical journal 1 (055) March 2016 .. ... . - Global Tubing .. ... - Private Limited .. ... .. .. .. ... .. ... .. . .. .. C .. ... - - .. .. ... .. .. - - .. .. ... . () . - Foremost Industries LP Foremost E.. ... . .. ... . .. (ICoTA) 119017 . . . 5 . 1 224 . 7 499 788 91 24 . 7 499 788 91 19. www.cttimes.org -mail cttimes cttimes.org 6000 . 1000 . . 77-16977. . . . . . pResIdenT Of edITORIAl bOARd A. Yanovsky Doctor of Economics Professor Deputy Minister of Energy of the Russian Federation edITORIAl bOARd J. Attie Vice President International Sales Global Tubing Yu. Balakirov Doctor of Engineering Professor Deputy Director for Science and Technology of the International Company Yug-Neftegaz Private Limited H. Bulyka ditor-in-hief K. Burdin Doctor of Engineering Coiled Tubing Geomarket Technical Engineer Schlumberger J. Chernyk Vice President Foremost Industries LP Head of Foremost in Russia R. Clarke Honorary Editor N. Demyanenko Doctor of Engineering Lead Research Scientist of BelNIPIneft RUE Production Association Belorusneft A. Korotchenko Director InTech LLC A. Lapatsentava Director General NOV FIDMASH V. Laptev Doctor of Engineering Vice President of Euroasian Geophysical Society A. Ovsiankin Managing Director Packer Service LLC M. Silin Doctor of Chemistry First Vice-Rector for Strategic Development National Research University Gubkin Russian State University of Oil and Gas E. Shtakhov Doctor of Engineering Deputy Director General RosTEKtehnologii Yu. Sterlyadev Executive Director for Management at TatneftAktyubinskRemServis Deputy Director at Tatneft-RemServis T. Tamamyants Commercial Director NPO Vertex Ltd. A. Tretiak Doctor of Engineering Professor Member of the Russian Academy of Natural Sciences Head of Oil and Gas Equipment and Technologies Department SRSTU (NPI) V. Voitenko Doctor of Engineering Professor Member of the Russian Academy of Natural Sciences B. Vydrik Director Nonprofit Partnership Coiled Tubing Technologies Development Center R. Yaremiychuk Doctor of Engineering Professor Member of the Russian Academy of Natural Sciences S. Zagranichny Director General Trican Well Service LLP Kazakhstan. The AuThOR Of The pROjeCT L. Hruzdzilovich PuBLiSHER oiled Tubing Times LLC JOuRNAL HAS BEEN PREPARED FOR PuBLiCATiON by Editorial Board of Coiled Tubing Times Journal and The Russian Chapter of ICoTA ADDRESS OF EDiTORiAL OFFiCE 5 1 Pyzhevski Lane office 224 Moscow 119017 Russia. Phone 7 499 788 91 24 Fax 7 499 788 91 19. www.cttimes.org e-mail cttimes cttimes.org Edition 6000 copies. The first party 1000 copies. The Journal is registered by the Federal Agency of Press and Mass Communication of Russian Federation. Registration number 77-16977. The Journal is distributed by subscription among specialists of oil and gas companies and scientific institutions. In addition it is also delivered directly to key executives included into our extensive mailing list. The materials the author of which is not specified are the product of the Editorial Board teamwork. When reprinting the materials the reference to the Coiled Tubing Times is obligatory. The articles provided in this journal do not necessarily represent the opinion of the Editorial Board. The Journal offers a cooperation to advertisers and persons concerned. 2 1 (055) March 2016 Editorial 55 2002 . (ICoTA). ICoTA IoTA-. 2015 ICoTA ICoTA- . ICoTA- .. . . . . . . Weatherford . 25- . .. .. . .. . 16- - . 17- . The new issue of our journal is an anniversary issue and according to numerology carries a lucky number You can see the symmetrical 55 on the cover which is how many issues of Coiled Tubing Times including the recent Hydraulic Fracturing Times we have presented to our readers since 2002. Our journal is the only periodical in Russia and the CIS entitled to publish materials of the Intervention & Coiled Tubing Association (ICoTA). The Coiled Tubing Times is the principal media partner of ICoTA in the region and the voice of the ICoTA-Russia the Russian branch of the Association. At the end of 2015 the management of the branch was changed under the ICoTA By-Laws and the Regulations of the ICoTA-Russia. I. Ya. Pirch was elected the Chairman of the ICoTA-Russia our interview with him is opening this issue. This issue introduces a new column under the title Theory . Today it will give you an opportunity to see the first part of the Methods of Enhanced Oil Recovery and Hydraulic Fracturing an in-depth view presented by Rock Engineering Services and prepared in a form of consecutive slides which can hardly be called a conventional format for the journal. As there are over three hundred slides in the presentation we are going to publish them serially over the year in all four issues. Don t miss it The Technologies column is as informative as always. Here you are going to read about the results of pilot testing of technology of deeply-penetrating radial filtration channels creation in RUP PO Belorusneft about the selective bottomhole treatment of terrigenous reservoirs with acid emulsion and about the integrated approach to coiled-tubing multistage frac from Weatherford and RITEK. The Jubilee column is dedicated to the 25th anniversary of Himeko-GANG CJSC one of the leaders in the field chemistry widely acclaimed both in and outside Russia. On this occasion I would like to congratulate the team of the company and first of all its management represented by Professor M.A. Silin and Professor L.A. Magadova on reaching such a landmark. Dear colleagues I wish you every success The Practice column gives floor to D.A. Zakruzhniy Lead Engineer Well Construction and Repair Division of Downhole Technologies and Service Department of RUP PO Belorsuneft. His report on Multi-stage Hydraulic Fracturing Experience has been named among the best reports made at the 16th International Scientific and Practical Conference on Coiled Tubing Hydraulic Fracturing and Well Intervention. The 17th International Scientific and Practical Coiled Tubing Hydraulic Fracturing and Well Intervention Conference is just around the corner. Let us cooperate to get ready for it Yours ever Ron Clarke 1 (055) March 2016 3 ICoTA- ( .. .. ) ....................................58 ( ICoTA- .. ) ............7 .. .. .. .. .. ( .. ) ..............66 ........................................14 .. .. M. Bos .. .. . - 25 ( . . . () .. - - .. ) ................................................................75 (Mongoose Multistage Unlimited) ........................................................................24 .. .. .. .. ................................................................32 ( . ) ............................................................36 .. ( ) .............................................................................84 .........................................38 .. .. .. .. .. ........40 .. .. .. ......94 ...........................................................44 16- - ( 2-) ....................46 ....96 ........................100 ........................................................................107 4 1 (055) March 2016 CONTENTS CONTENTS CONTENTS CONTENTS CONTENTS CONTENTS CONTENTS CONTEN CONTENTS CONTENTS CONTENTS CONTENTS CONTENTS CONTENTS CONTENTS CONTEN ProsPeCTs ICoTA-russia Is an open Club for experts in the sphere of High-TeCH oilfield service (Interview with i. Pirch Chair of ICoTA-russia) ...........................7 PrACTICe We Have Complicated Wells That require High Technology services (Interview with the leading experts from noVATeK Company i. Kashtanov Head of Well Intervention Department and A. Demenkov Head of supervision Department) ..............58 TeCHnologIes N. Demyanenko S. Klochkov M. Galay D. Tretjakov V. Semenkov Belorusneft Is ready To solve the Most Complicated Tasks (Interview with D. Zakruzhniy lead engineer Well Construction and repair Division of Downhole Technologies and service Department of rUP Po Belorsuneft) .......................................66 The results of Pilot testing of Technology of Deeplypenetrating radial Filtration Channels Creation in rUP Po Belorusneft ....................................................14 . Bayramov F. Belyaev M. Bos V. Mironov A. Ogorodov JUBIlee We Are Training the Younger generation Who Are Willing To Create and Introduce new Technologies. Chimeco-gAng CJsC is 25 (Interview with L. Magadova Doctor of engineering science Professor of chemical technology for oil and gas industry at gubkin russian state University of oil and gas Director of research and education Centre of Field Chemistry Technical Director of Chimeco-gAng CJsC) ...........................................................75 An Innovative Method of Intelligent Well Completion with the Possibility of re-fracturing (Mongoose Multistage Unlimited) ....................................................24 S. Kovalev M. Knyazev R. Sharipov N. Parshin Integrated Approach to Coiled-Tubed Multistage Frac ................................................................32 E. Panikarovskiy D. Kustyshev . Kustyshev Yu. Karacharova M. Antonov selective Bottomhole Treatment of Terrigenous reservoirs with Acid emulsion ......................................40 Yu. Balakirov i. Burkinskiy Coiled Tubing Times Questionnaire ......................100 News ..............................................................................107 Improving Hydraulic Fracturing Technology ...............44 Proceedings of the 16th International scientific and Practical Coiled Tubing Hydraulic Fracturing and Well Intervention Conference (Part 2) ....................................46 . 98 . 78 38 . . 32 1 (055) March 2016 CONTENTS CONTENTS CONTENTS CONTENTS CONTENTS CONTENTS CONTENTS CONTEN 5 NP CTTDC 17- - The 17th International scientific and practical Coiled Tubing hydraulic fracturing and Well Intervention Conference 2016 ( .) .. ( .) - ( .). Fall 2016 Moscow Russia Conference topics Coiled tubing technologies Latest hydraulic fracturing technologies (multi-stage fracturing in horizontal wells fracturing plus hydraulic jet drilling nitrogen fracturing coiled tubing fracturing large-volume fracturing etc.) up-to-date well logging techniques including horizontal wells logging conveyance of logging tools using coiled tubing and downhole tractors High-tech well intervention equipment Sidetracking Jet drilling Well service (fishing and milling operations packer setting jobs etc.) New EOR technologies Cement squeeze Oilfield chemistry (hydraulic fracturing chemicals EOR solutions cement squeeze mixes etc.). CONTACTS Tel. 7 916 512 70 54 E-mail cttimes cttimes.org www.cttconference.ru 6 1 (055) March 2016 www.cttconference.ru ICoTA- ICoTA-RussIA Is An Open Club fOR expeRTs In The spheRe Of hIgh-TeCh OIlfIeld seRvICe 2015 ICoTA ( ) ICoTA (ICoTA-) . ICoTA- .. . . In the end of 2015 according to the By-Laws of ICoTA (Intervention and Coiled Tubing Association) and the Rules of the Russian Chapter of ICoTA (ICoTA-Russia) a change in the Executive Board of Directors of the Russian Chapter took place. I.Ya. Pirch was elected as a Chair of ICoTA-Russia. Today he is answering the questions of our Journal. iCota. ICoTA ICoTA- ICoTA ( ) . ICoTA 1994 . . . (ICoTA). ICoTA . Coiled tubing times ivan Yaronovich you have been elected the Chair of the russian Chapter of iCota.What is the main focus of this organization What tasks have you set yourself as the Chair of it ivan Pirch Russian Chapter of ICoTA (ICoTARussia) is a part of ICoTA International (Intervention and Coiled Tubing Association) and therefore shares its goals. The International Coiled Tubing Association (ICoTA) was established in 1994 as a means of supporting communicating and promoting rapid technological advances within the coiled tubing industry. The name was changed a few years later to Intervention and Coiled Tubing Association (ICoTA) to include all well intervention technologies in the scope of the association. ICoTA seeks the participation and involvement of manufacturers suppliers service providers and end-users of coiled tubing slickline wireline hydraulic workover pumping and associated technologies. The mission of the Intervention and Coiled Tubing Association is to enhance communication gather technical expertise and promote safety training competency and accepted practices within the well intervention related industries. Russian Chapter of the Intervention and Coiled Tubing Association (ICoTA-Russia) is a regional representational office 1 (055) March 2016 7 PROSPECTS . (ICoTA-) . .. . . . . . ICoTA . iCota iCota .. (ICoTA) . . ICoTA- . . iCota . The mission of the Intervention and Coiled Tubing Association is to enhance communication gather technical expertise and promote safety training competency and accepted practices within the well intervention related industries. of ICoTA. That is why it has similar goals and tasks but on a regional level. First order of business I would like to mention great work that has been done by K.V. Burdin a former Chair of the Russian Chapter of ICoTA. I should say that during the period of his administration Konstantin Valerjevich has brought the Chapter to a whole new level. He is a specialist with great professional skills and a brilliant organizer. What tasks do I set to myself First of all I m going to continue the organization s development. I want to systematize the Chapter s operation attract as many specialists (especially young ones) and executives of various technology directions of oil&gas service in the rows of Chapter s members. My mission as a Chair is to promote the ideas of ICoTA and realize its goals. I will do my best to encourage the growth of ICoTA s authority in the industry. Ctt What juridical base is under the operation of the russian Chapter of iCota What is the connection between the iCota international and iCota-russia ivan Pirch Russian Chapter of the Intervention and Coiled Tubing Association (ICoTA) is the information structure operating in the framework of the Non-commercial Partnership Coiled Tubing Technologies Development Center (NP CTTDC). It conducts its business according to Cooperation Agreement between ICoTA and NP CTTDC. Basic conditions of Chapter s operation are described in the Rules of the Russian Chapter of ICoTA as well as in the Membership Regulations. ICoTA-Russia is the regional chapter of the parent organization (ICoTA International). There are six (6) chapters of ICoTA on the globe. 8 1 (055) March 2016 .. . - ( ..) - - - - . . . .. . . . . . . ICoTA- ICoTA- ICoTA . . Ctt Which activity forms does the russian Chapter of iCota prefer ivan Pirch In order to reach the desired goals the Russian Chapter will use a wide variety of activity forms. First of all the following should be mentioned - organization of various events (forums conferences workshops etc.) that allow their participants to communicate with each other improve their technical expertise and increase their professional skills - support of social networking that increase the engagement of social group members into the Chapter s activities - support of students Master s Degree and Ph.D. students of the oil and gas institutions in their skills development as well as their scientific and engineering activities in the sphere of high-tech oilfield service - promotion of industry image by supporting the programs aimed at popularization of the engineering knowledge in the sphere of hightech oilfield service - establishment of promotional rewards that will be presented to the specialists and or companies that have reached impressive gains in various aspects of high-tech oilfield service. I have just listed the basic forms of activities that are described in the Rules of the Russian Chapter of ICoTA. I m sure that this list will be expanded and improved according to the call of times and the industry requirements. Ctt What is the structure of the russian Chapter of iCota ivan Pirch The Chapter s structure includes ordinary Members Honorary Members Chapter s Officers and Director Members. Ordinary Chapter Members are the basis of the organization. They are top-ranked specialists and managers of almost all levels. It s a gold pool of the industry which in fact fuels the development of innovative technologies. Every person that meets the requirements stated in the Rules of the Chapter can become a Member of ICoTA-Russia. Honorary Members are individuals that were granted this position by the Board of Directors in recognition of their significant contribution into the development of coiled tubing and or well intervention technologies or the high-tech oilfield service in general. Honorary membership can also be granted in recognition of the contribution to the establishment and development of the Chapter itself. The Officers of ICoTA-Russia manage its everyday business. They include Chair Deputy Chair Representative of ICoTA-Russia in the ICoTA Board of Directors Executive Director. Board of Director defines the main directions 1 (055) March 2016 9 PROSPECTS . iCota .. ICoT . ICoT- . iCota .. - ICoTA . . ICoTA- . ICoTA - ( ) . ICoTA . . . ICoTA- . iCota- .. ICoTA- . of activities of the Russian Chapter and makes decisions on other strategic points connected with the prospects of Chapter s development. The Board of Directors includes Chapter s Officers the Chapter s ex-Chair two Director Members elected from the most active ordinary Members of the Chapter. Ctt How is it possible to become a Member of the russian Chapter of iCota is there some kind of acceptance procedure ivan Pirch It s very easy to become a Member of the Russian Chapter of ICoTA. In order to be accepted as a Member one has to live or work on the territory of Russian Federation or CIS countries support the ideas and goals of the Chapter and register as a Member according to the established procedure. The latter includes submission of the corresponding application provision of personal contact data and payment of the annual membership fee. Ctt What benefits are provided to the members of the russian Chapter of iCota ivan Pirch First of all it is very prestigious to be a member of such a credible organization as ICoTA. Of course that s not all. The most important benefit is that the members of ICoTA-Russia gain access to data bases containing materials about state-of-theart innovative technologies and equipment that increase hydrocarbon production efficiency. They can take part in all international and regional ICoTA activities on special terms. In particular they will be given a significant discount for participation in the International Scientific and Practical Coiled Tubing Hydraulic Fracturing and Well Intervention Conference use information resources (materials and presentations) of this conference and exchange information with other professional in face-to-face interactions. Each member of ICoTA-Russia receives annually updated list of all Chapter s members with information about their positions and contact data which facilitates the process of useful contacts establishment. All members of the Chapter will regularly receive PDF-versions of the Coiled Tubing Times Journal. All this gives an individual the possibility to increase his her professional level and make a direct contribution to the development of coiled tubing and well intervention industry. But the most important thing in my opinion is that each member of ICoTA-Russia finds like-minded fellows that are ready to encourage each other on the difficult and thorny way of professional development. Ctt is it possible to call iCota-russia an exclusive club ivan Pirch It is better to say that ICoTA-Russia is an open club for experts in the sphere of high-tech oilfield service. Join us 10 1 (055) March 2016 . (ICoTA-) (ICoTA) . ICoTA- ____________________________ - ______________________________ _______________________ __________ - ______________________________ _____________________________ ___________________________________________________________ _________________________________________________________________________________ ___________________________________________________________________ _________________________ __________________________________________ ______________________ ____________________________________________________________________ ___________________________________ ________________________ 7 499 788 91 19 e-mail info icota-russia.ru 1 (055) March 2016 11 12 1 (055) March 2016 1 (055) March 2016 13 622.24.(476) The Results of Pilot Testing of Technology of Deeply-Penetrating Radial Filtration Channels Creation in RUP PO Belorusneft .. . . . .. .. - .. - .. - 1 N. dEMYaNENKo Ph.d. leading research associate in innovative technologies development department S. KloCHKoV chief manager in innovative technologies development department M. GalaY leading application engineer in innovative technologies development department d. trEtJaKoV leading construction engineer in innovative technologies development department V. SEMENKoV leading application engineer(1st category) in innovative technologies development department. BelNiPineft . . 70 90% . . . - . () . -. At present time most of the explored oil and gas fields in RUP PO Belorusneft s and other Russian oil and gas producing companies are at the closing stage of development. This stage is characterized by high watercut of the produced fluid and low profitability of operation of production wells and facilities for oil and gas gathering and processing. Even though reserves depletion factor reaches a significant value (up to 70 90% and more) deposits under development still contain large volumes of hydrocarbon recoverable reserves. In order to recover these reserves companies introduce a lot of high-cost technologies. In some cases when layers exhibit heterogeneous behavior (non-uniform distribution of the reservoir properties) in order to enhance well productivity it is necessary to perform treatment of specific zones and intervals with low drainage volume. For this purpose we developed equipment and technology that enables creation of deeply-penetrating filtration channels system in low-permeable and poorly drained reservoir rocks at different levels. In fact this technology provides reservoir fluid withdrawal system in lowpermeable rocks.Radial-type deeply-penetrating channels enable multifold increase in fluid filtration area. This technology is an alternative to hydraulic fracturing and short-radius sidetracking technologies. It is designed for Enhancement of connectivity between the well and low-permeable zones and producing interlayers. Extension of well drainage radius Providing communication between borehole and poorly depleted remote formation zones. The first and only company that owns the rights for this technology is Radial Drilling Services (RDS USA). The results of application of radial drilling technology over the world (including Russia) showed two-fold 14 1 (055) March 2016 increase in well rate 75% of all operations were performed successfully. In 2008 RUP PO Belorusneft signed a contract with . RDS company for performing operations in 5 wells at the oilfields in the Republic of Belarus. Performed operations showed ambiguous results. On the one hand these operations proved technical feasibility of long filtration channel creation. On the other hand no improvement of well operation and no increase in well rate were registered. We suppose that the main reason for low efficiency of these operations was the following limitations of RDS company technology maximum depth (up to 2000 m) and steel grade (N-80 Russian D ). At the . oilfields of RUP PO Belorusneft oil and gas bearing formations depth is more than 2000 m wells are equipped with casing strings with steel grade R and higher. That s why it was quite hard task to select 5 wells even though these wells were not best Radial . suitable for obtaining good results. Drilling Services This technology is an alternative to hydraulic During test-run of RDS company (RDS ). fracturing and short-radius sidetracking technology the following disadvantages technologies. were identified Downhole drilling motor capacity is limited by the maximum pumping flow rate of coiled ( tubing ) Inability to provide stable positioning of the tool 2 when making holes in casing string. 75%. The process of making holes in casing is not 2008 controlled at the surface. Two and more CT tripping operations needed for RDS creating one filtration channel. 5 Inability to control different stages of operation and . orienting channel direction. . Created filtration channel is not cleaned from process fluid and washing products. According to experimental results it is not possible . to perform jetting under the conditions of the oil and gas fields in Belarus. Fundamental changes in . technology and equipment are required. New equipment assembly was developed for successful implementation of this technology. ( 2000 ) This equipment enables creation of long filtration channels in wells with the following parameters ( ) casing string steel grade R110 and higher casing diameter 139 7 mm depth up to 4000 m. Moreover RDS. during development process strong requirement for equipment and technology was technical feasibility to 2000 manage the process of making holes in casing and to confirm creation of these holes at the surface. P . Procedure of equipment assembly operation for creation of deeply-penetrating filtration channels is 5 described below . - Milling assembly is lowered into the well on tubing to required depth and is fixed with two-sides RDS mechanical anchor. - Logging for determination of azimuthal angle of milling bit. - Milling bit is oriented to required azimuthal angle to initiate the first hole. - Milling of the first casing hole with recording of 1 (055) March 2016 15 TECHNOLOGIES - . . 110 139 7 4000 . . ( ) . drilling parameters (plot is displayed on a PC screen). - Rotating milling tool to initial position. Rotating milling tool through required angle and milling of the next holes. - After milling of the required number of casing holes deflector shoe is oriented against the first hole. - CT-conveyed high-pressure hose with jet nozzle is lowered into the tubing then through the casing hole. - Process fluid is pumped with surface pump through to jet nozzle thus creating filtration channel (jetting direction is not controlled). - Jet nozzle is pulled out of created channel to deflector shoe. - Deflector shoe is rotated to the next hole. - Jetting ofthe next channels. - As may be required after creation of system of several long filtration channels (from 1-2 up to 8) in one plane assembly with CT and anchor is moved within productive formation and is set at another required depth (another level) for creation offiltration channels system at the 2nd level. Milling of holes in casing string rotation and movement of bottomhole assembly are controlled by an operator at the surface. Communication with bottomhole assembly is established through the wireline that is lowered in annulus. Bottomhole assembly control unit enables 1. Acquisition and recording in real-time mode of the following parameters - Temperature in electronics module zone - Milling depth - Electric current needed for motor drive to move and rotate milling tool. 2. Controlling from the surface of the following processes Milling tool movement Maximum accepted weight applied to the milling tool Milling direction Turning on off motor drives for milling tool movement and rotation. Equipment developed for deeply-penetrating filtration channels creation consists of - Jet drilling unit 110 139 7 4000 . New equipment assembly was developed for successful implementation of this technology. This equipment enables creation of long filtration channels in wells with the following parameters casing string steel grade R110 and higher casing diameter 139 7 mm depth up to 4000 m. 16 1 (055) March 2016 ( ) ( 1 2 8) ( ) . . . 1. . 2. . . . . 1 . 1 (. 1) ( .. ). (. 2) . (. 3) 1 35 . (. 3) 1 1 Figure 1 Jet drilling unit 2 Figure 2 Bottomhole assembly Bottomhole assembly Guide arch Pressure control equipment SPTA (spare parts tools and accessories). Jet drilling unit (fig. 1) is designed for running jetting assembly to deflector shoe and providing pumping of process fluids (including acid solutions) through coiled tubing. Bottomhole assembly (fig. 2) is run in hole via tubing. It is designed for making holes in casing string and guiding jet nozzle into created hole. Pressure control equipment is designed for sealing wellhead during jet drilling unit operation. Working pressure 15 MPa (2170 psi). Guide arch is designed for guiding coiled tubing from reel into the hole. Jet assembly consists of CT-conveyed high-pressure hose. Jet nozzle is mounted to the bottom of the hose. In most cases jet nozles are equipped with four jetting and six reactive holes. At present time pilot testing of technology of deeply-penetrating radial filtration channels creation was performed in 6 wells. During pilot testing of this technology there were two main stages performed sequentially 1. Prove-out of technology and operation modes of milling holes in casing string with bottomhole milling tool. 2. Prove-out of technology and operation modes of deeply-penetrating radial filtration channels creation at different depths of borehole. The results of prove-out of technology of milling holes in casing string are shown in table 1. The process of milling holes provides all required conditions for high-pressure hose to get through these holes for deeply-penetrating channels creation. As a whole - 1 (055) March 2016 17 TECHNOLOGIES . . . . - () 6 . 1. . 2. . . 1. . ( 76 ) -110 ( ). 45 ( 4 ) 82 ( 80 ). 2515 5 4 3396 194 .- (. 1). 10 5 11 0 . 59 . 5 480 (. 1). . 1. 2695 76 . 2. 76 2683 1 . 3. Guide arch Pressure control equipment 3 Figure 3 Wellhead equipment 4 Figure 4 Jet nozzle throughout pilot testing period hole-milling was performed in casing strings with steel grade K (well 76 Vishanskoye) and R-110(the rest of wells). Pilot testing was performed in required formations intervals at temperatures ranging from 45 C (well 4 Chistoluzhskaya) to 82 C (well 80 Barsukovskaya) and measured depth of hole-milling ranging from 2515.5 m (well 4 Chistoluzhskaya) to 3396 m (well 194 Ostashkovichskaya) (table 1). Casing wall thickness - from 10.5 to 11.0 mm. Total number of milled holes during pilot testing is 59. According to pilot testing data time spent for milling of one hole varies over a wide range from 5 to 480 min (table 1). The only source of information about milled hole conditions is control of milling bit movement in real-time mode as a part of developed equipment and technology. During hole-milling pilot testing there were the following problems 1. Short circuit when attempting to rotate to the 3rd hole at 2695 m in well 76 Vishanskaya. 2. Milling bill stall when returning to initial position after milling of the last hole at 2683.1 m in well 76 Vishanskaya. 3. Milling tool stall when rotating to the 3rd hole at 2608 m in well 147 - Vishanskaya. 4. Partial stalling of milling bit feed drive when attempting to mill the 4th hole at 3296 m in 18 1 (055) March 2016 1 Table 1 Prove-out of technology of milling holes in casing string . Parameters of milling holes in casing string Milling bit step-over before milling mm Milling bit step-overafter milling mm . Casing steel grade Casing well thickness mm .. . t . Bottomhole Temperature C Operation date Well field . of hole Milling time min Dc.s. mm Depth m d.. Comments 1 2 3 01.07 12.07.2013 4 5 6 7 8 9 1 2 3 4 10 70 50 40 37 33 25 60 70 180 360 5 9 18 17 30 31 34 35 40 60 11 13 5 12 13 5 14 12 5 14 5 8 1 8 5 12 7 11 3 14 8 9 8 4 13 5 12 4 15 1 13 5 12 2 13 5 12 0 12 30 3 30 3 30 3 30 5 30 5 30 5 24 2 25 5 30 1 26 6 29 5 26 7 24 1 29 3 27 6 30 28 8 25 6 30 3 30 3 13 High pressure hose burst Short circuit in reservoir when attempting to rotate to the 3rd hole Milling completed successfully 2695 5 12.07 17.07.2013 76 76 Vishanskaya 1 2695 2 1 1 08.11 17.11.2013 2695 1 2 54 146 11 3 4 1 2 3 4 1 2 2684 6 08.01 19.01.2014 2683 1 Milling completed successfully Milling bill stall when returning to initial position after milling of the last hole Milling tool stall when rotating to the 3rd hole No hole initiation No hole initiation Milling completed successfully 3 4 1 147 Vishanskaya 147 2608 27.01 14.02.2014 2590 54 139 7 10 5 -110 2 2 1 1 30 480 60 210 20 30 120 130 100 130 180 60 60 45 30 25 45 25 30 35 35 35 30 30 20 20 11 11 5 7 7 4 3 3 8 4 14 2 12 8 14 3 19 3 8 4 8 7 9 5 10 2 13 2 13 5 14 5 12 4 9 8 11 4 12 7 13 8 12 1 13 9 10 8 11 7 11 7 21 7 21 4 23 29 1 29 4 25 6 25 2 25 7 28 1 26 4 27 7 28 2 29 5 29 8 30 30 30 30 30 30 30 30 30 30 30 101 101 Slavanskaya 1 22.02 21.03.2014 3566 78 139 7 10 5 -110 2 3 4 1 24.03 08.02.2014 2515 5 45 139 7 10 5 -110 2 3 4 1 3396 2 3 4 1 3330 7 08.04 21.05.2014 3316 2 75 139 7 10 5 -110 2 3 4 1 2 3 4 1 3313 2 3 4 3 4 Chistoluzhskaya 4 4 Milling completed successfully 194 U.-Ostashkovichskaya 194 .- 5 Milling completed successfully 19 1 (055) March 2016 TECHNOLOGIES .. 1 Table 1 end 1 07.07 07.08.2014 2 3306 3 4 1 80 Barsukovskaya 80 04.09 03.10.2014 2 3305 82 139 7 10 5 -110 3 4 1 3305 4 24.11 16.12.2014 3296 2 3 4 1 2 3 4 170 25 480 10 20 36 32 20 30 60 90 30 60 90 90 120 8 2 8 4 7 6 9 8 8 2 7 9 8 1 8 4 7 4 7 8 6 7 9 8 10 1 7 6 9 2 8 8 24 24 22 3 21 4 22 5 20 6 25 3 24 8 22 3 24 5 21 6 26 8 24 1 22 5 23 6 - Short circuit when attempting to move assembly into jetting position Milling bit feed drive fail when attempting to rotate assembly into jetting position Job performed without complications - Stalling of milling bit feed drive last hole is not created 6 2 Table 2 Operation modes of deeply-penetrating filtration channels creation during pilot testing Number of holes at depth . Operation duration days - . . Operational parameters of one channel creation m Channel length m Jetting rate m min Depth Operation date Zenith angle Horizon rock Well field Flow rate l min Acid treatment Pressure MPa Time min Comments 1 2 3 08.11 17.11.2013 4 5 el-zd el-zd carbonates 6 7 8 9 100 10 40 11 1 3 12 14 15 13 60 65 14 15 High pressure hose burst 2695 1 10 2 100 100 60 40 45 40 50 25 30 20 40 1 2 1 5 1 5 1 5 1 5 3 5 3 5 3 5 1 5 15 12 5 12 5 13 3 13 3 12 5 13 3 13 3 13 14 65 55 50 58 60 55 50 55 55 55 60 - no 2684 6 76 76 Vishanskaya 100 100 20 5 100 100 4 100 100 100 yes - 08.01 19.01.2014 el-zd carbonates 1 12 2683 1 no 4- Milling bill stall when returning to initial position after milling of the 4th hole Milling tool stall during milling High pressure pump repair during operation 147 Vishanskaya 147 el-zd carbonates 2608 27.01 14.02.2014 32 2 30 - 2590 2 19 100 53 63 32 30 29 23 20 24 2 6 1 3 2 6 2 5 2 6 3 6 6 5 12 5 12 13 12 5 12 5 12 5 12 5 12 5 12 5 52 5 52 58 50 51 49 51 64 63 61 60 yes yes 101 Slavanskaya 101 el-zd carbonates 22.02 21.03.2014 3 28 3566 55 18 4 100 100 100 4 4 Chistoluzhskaya 24.03 08.04.14 st sandstones 2515 5 4 16 7 4 100 100 100 - 20 1 (055) March 2016 2 Table 2 end 100 3396 83 12 30 08.04 21.05.2014 100 3330 2 ps ps sandstones 4 10 3316 2 75 100 100 100 95 100 100 3313 83 3 83 83 100 3305 4 1 3 4 100 100 100 100 3296 100 100 83 12 30 140 120 130 120 160 10 120 100 120 120 120 20 25 22 24 18 20 1 1 1 1 0 7 0 7 0 7 0 7 0 6 7 10 0 8 1 0 7 0 7 0 7 3 6 3 6 3 6 3 6 3 6 3 6 12 1 12 5 13 5 13 5 12 8 11 4 13 1 13 1 12 4 12 4 12 4 14 5 13 4 14 4 15 4 12 15 12 15 12 15 12 15 12 12 65 67 65 65 65 68 65 63 60 55 60 55 60 60 60 55 60 55 60 55 60 55 60 70 70 no 100 20 3 6 12 70 4- . Partial stalling of milling bit feed drive when attempting to mill the 4th hole no yes yes yes yes Unstable highpressure pump operation associated with low fluid filtering quality 5 194 U.-Ostashkovichskaya 194 .- 43 24.11 16.12.2014 80 Barsukovskaya 80 ln-st 6 21 ln-st sandstones 1 2 3 2608 147 . 4. 4- 3296 80 (. 1). . . 2. . 2 40 12 ( 194 .- 3396 ) 100 . (77 5%) 100 (. 2). . 0 6 0 7 ( 194 .- 3330 2 ) 7 10 ( 194 .- 3316 2 ). 50 55 ( 76 101 ) 60 70 . 2 . 12 15 . 194 ( .-) 15 4- (. 2). . well 80 Barsukovskaya (table 1). The main reason for the problems described above was design defects of milling tool. These defects were identified and eliminated. Operation modes of deeply-penetrating filtration channels creation during pilot testing are presented in table 2. As can be seen from table 2 on the whole 40 deeply-penetrating filtration channels were created with length ranging from 12 m (well 194 Ostashkovichskaya) to 100 m. The majority of channels (77.5%) were 100 m long (table 2). Length limitations were associated with geological factors. Channel penetration rate varied within the limit from 0.7 m min (well 194 Ostashkovichskaya 3330.2 m) up to 7 10 m min (well 194 Ostashkovichskaya 3316.2 m). Working pressure in the pumping unit varied over a range from 50 55 MPa (8000 psi well 76 Vishanskaya well 101 Slavanskaya) up to 60 70 MPa (10 000 psi) in other wells (table 2). Flow rate varied over a range from 12 to 15 l min. During pilot testing in well 194 Ostashkovichskaya 15 filtration channels were created at 4 levels (table 2). Water with addition of surfactants served as a jet fluid. In some cases in order to improve communication between channel and reservoir filtration channels were treated with acid solution with surfactants. Technology test-run was performed in carbonate (well 76 Vishanskaya well 101 Slavanskaya) and terrigenous formations (well 4 Chistoluzhskaya well 194 Ostashkovichskaya well 80 Barsukovskaya) with zenith angle reaching 20.5 degrees in treatment intervals. Main complications during filtration channels jetting were as follows high pressure hose burst unstable high-pressure pump operation associated with low fluid filtering quality high pressure pump repair 1 (055) March 2016 21 TECHNOLOGIES . ( 76 101 ) ( 4 194 .- 80 ) 20 5 . . . 80 7 100 (3296 3305 4 ) (. 2) 5 19 23 . (. 5). - Pilot testing of Radial Drilling Technology % Watercut % 02.2009 (100 m3 15t) 02.2009 Hydraulic fracturing (100 m3 15t) 09.2011 (163 m3 34t) 09.2011 Re-perforation Hydraulicfracturing (163 m3 34t) Fluid rate t day 5 80 Figure 5 Well operation history (well 80 in Barsukovskoye field) during operation short circuit in electrical module of bottomhole assembly when attempting to move assembly into jetting position. The main reasons of complications described above were identified complications were eliminated. As a result of radial drilling operation in flowing well 80 at Barsukovskoye field 7 100 5 19 23 . 7 filtration channels each 100 m long were created at 2 levels (2396 m and As a result of radial drilling operation in flowing well 7 filtration 3305 4 m) (table 2). Oil rate channels each 100 m long were created at 2 levels. Oil rate increased increased from 5 to from 5 to 19 23 t day. 19 23 t day (fig. 5). Pilot testing proved technical feasibility of Figure 5 Well operation history (well 80 in Barsukovskoye field) 100 02.2009 Hydraulic fracturing (100 m3 15t) 3500 -110 09.2011 Re-perforation 140 Hydraulicfracturing (163 m3 34t) 16 Pilot testing of Radial Drilling Technology ( Shifting to ESP ) Creation of deeply-penetrating filtration channels. Length up to 100 m depth up to 3500 m casing string steel grade R-110 casing diameter 140 mm. Creation of system of 16 deeply-penetrating filtration channels (four channels per level at four levels). 20 5 Jetting of filtration channels in terrigenous and carbonate reservoirs. 38 Operation at zenith angle up to 20.5 in assembly 6 1 10 setting interval and up to 38 in assembly lowering section with dogleg severity up to 6.1 per 10 m. 4 5 . Increase in production rate by a factor of 4 5. 22 1 (055) March 2016 Shifting to ESP 1 (055) March 2016 23 24 1 (055) March 2016 1 (055) March 2016 23 . . Mongoose Multistage Unlimited ( ) . - . . Mongoose Multistage Unlimited Mongoose Multistage Unlimited . (Mongoose Multistage Unlimited) An Innovative Method of Intelligent Well Completion with the Possibility of re-fracturing (Mongoose Multistage Unlimited) .. .. M. BoS .. Stratagen .. - . BaYraMoV F. BElYaEV M. BoS llC EWS V. MiroNoV Stratagen a. oGorodoV Gazpromneft-NtC Mongoose Multistage Unlimited Mongoose Multistage Unlimited - . Mongoose Multistage Unlimited . . . . . . M ulti-stage fracturing in horizontal wells is becoming one the most demanded process tasks with which oil and service companies are faced during recent years in Russia. There are some technologies that were applied for this task. One of successful solutions is the Mongoose Multistage Unlimited technology (official distributor in Russia is LLC EWS ) which proved itself reliable during multi-stage frac jobs in a variety of Russian fields. The advantages of this technology are as follows decreasing time for multi-stage frac jobs decreasing the number of round trips control and predictability of frac pumping process. All these factors were highly appreciated by the companies trialed this technology for their wells. Today we would like to present you a description of the Mongoose Multistage Unlimited technology its peculiarities also a variety of some new functional capabilities of the Mongoose Multistage Unlimited system that is now available for a Russian user. Brief information on Mongoose Multistage Unlimited technology Mongoose Multistage Unlimited technology combines a coiled tubing-deployed frac-isolation assembly with either proprietary Grip Shift sliding sleeves or sand-jet perforating to deliver single-trip multistage completions more efficiently than any other method. When applying the Mongoose Multistage Unlimited technology CT serves as a circulation channel to the frac zone also as a working string which gives a variety of advantages compared to other techniques and allows avoiding their drawbacks. 24 1 (055) March 2016 ( ). . . . 5 . . . Mongoose Multistage Unlimited GripShiftTM . . . GripShift Mongoose Multistage Unlimited . 1 Mongoose Figure 1 Mongoose BHA running by CT for zone interval isolation during multistage fracturing Completion starts at the toe the assembly for frac and isolating intervals is lowered below the sliding sleeve. When pulling up the assembly the shoulders of sleeve locator are fixed in the recess at the bottom of the sliding sleeve. Then the frac resettable packer is set under the weight of CT string. The slips are setinside the sleeve and the packer seals inside the sleeve cylinder and isolates the wellbore below the packer. When pressure in the well increases the assembly and inside cylinder are shifted below opening holes in the sleeve for injecting frac fluid into the formation. As the sleeve shifts the locator recess closes disengaging the locator keys and providing an additional verification that the sleeve has shifted (useful in the event that the formation will not take fluid). The frac is pumped down the annulus except the cases of low-rate frac jobs are carried out and the fluid can be pumped down the CT string. After the frac is away a pull on the coiled tubing opens the integral equalizing valve and unsets the rac plug. The isolation assembly is moved up to the next sliding sleeve and the sequence is repeated. In about 5 minutes the stage is ready for frac. With planning and coordination stages can be completed quickly and smoothly at a rate of more than one per hour. After the last stage the isolation tool assembly is pulled from the well and the unrestricted wellbore is ready for production. 2 GripShift Figure 2 Sliding sleeve GripShift in close position Mongoose Multistage Unlimited technology peculiarities 3 GripShift Figure 3 Sliding sleeve GripShift in open position The coiled tubing running string enables the use of the resettable frac plug packer and mechanically shifted GripShiftTM sleeves. At each frac stage the resettable frac plug isolates the target zone and shifts the sleeve open. This highly efficient com-bination eliminates the need 1 (055) March 2016 25 TECHNOLOGIES . GripShift . Mongoose Multistage Unlimited - - - . . . 129 000 95 . ongoose Multistage Unlimited - . . Mongoose Multistage Unlimited . Plug&Perf ( . . .) . . . for pump-down plugs perforating drop-balls and restrictive ball seats. Mongoose Multistage Unlimited system GripShift sliding sleeves are running in while well completion and installed in liner at the depth of planned frac. Such sliding sleeves initiated by mechanical means can be cemented along with the liner thus eliminating the necessity to install casing packers for frac intervals isolation. GripShift sleeves are built to match the host casing and are shipped with an upper handling pup joint and conventional pin-down box-up configuration for easy handling and make-up at the rig. The unique resettable Mongoose Multistage Unlimited frac packer plug has three main functions - Isolate the frac zone from the zones below - Mechanical grip the sleeves for shifting to open position - Anchor the isolation assembly during frac pumping or sand-jet perforating. Packer incorporates an automatic J-slot mechanism that sets releases and resets the tool in the following interval with straight up down coiled tubing motion. The construction clearances and self-flushing design make it extremely send-friendly and compatible with frac operations. So far these packers has been used for isolating 129 000 intervals and has been cycled more than 95 times during a one-trip completion operation. Applying Mongoose Multistage Unlimited technology you will not need to refuse your current well completion schematics because of operational limitations or high cost. You can have any number of stages at the desired spacing between the intervals whatever is necessary to optimize production. With Mongoose Multistage Unlimited system used for both sliding sleeves in cemented casing and sand-jet perforating you can target optimum spot based on geological properties. With plug & perf method (remark multi-stage frac technology that comprises setting the plug followed by perforating for the next frac stage) you can t be sure all zones are treated equally efficient. With open-hole packers fracs will initiate at any point between the packers and even at the packers themselves because the packers might pre-stress the formation this could result in non-uniform reservoir stimulation and can make informed well spacing decisions difficult. Mongoose Multistage Unlimited technology differences Unlike Plug&Perf Mongoose Multistage Unlimited system completion operations are streamlined and continuous with no need to shut down the completion sequence between stages. It takes only a few minutes to release the frac plug move it up to the next sleeve reset it and shift the sleeve open. The ability to circulate reduces water and chemicals usage significantly compared with other multistage completion methods. Leading-edge fluids can be circulated down to the target zone prior to injection by this decreasing formation damage. Also in case it is necessary to add frac stages at planned depth you can do sand-jet perforation. With Mongoose Multistage Unlimited Plug&Perf Mongoose Multistage Unlimited 26 1 (055) March 2016 . . . . . . the jet perforator run in the assembly all that is needed is to set the tool and you are ready to add as many stages as wanted or needed. Multistage frac Mongoose Multistage Unlimited technology controlled (operated) optimization completion Controlled Optimization for Multistage Completions consist in the process of monitoring pressure and temperature on the well bottom hole during consistent performance of Frac stages in real time mode. To optimize a multistage completion design for a specific field and formation one need a systematic completion approach that allows to make well-to-well comparisons with confidence. You need consistent Frac performance from stage to stage and measured downhole data by treatments that helps you understand better the formation properties the well and evaluate the stimulation results as well. That means that you cannot properly optimize conventional completions by plug-and-perf technology (note multistage Frac technology consists in setting plug and further perforation for the next Frac stage) and open-hole-packer ball-drop-sleeve because you don t know how many fracs are made where they spread and how much proppant is in each one. Even if you did know you cannot reproduce the same completion because variable fractures initiation pressures excludes control over the process of fracture widening and proppant movement into this or other fracture. You get no downhole data either unless you deploy a costly monitoring system. With the Multistage Unlimited pinpoint-frac system you can evaluate where fracs initiate and how much proppant exactly is injected in each fracture. Regardless of what treatment parameters you alter frac spacing frac dimensions proppant type proppant () Mongoose Multistage Unlimited . . . - Plug&Perf . . . Multistage Unlimited . 4 Figure 4 Frac initiate during pinpoint frac 1 (055) March 2016 27 TECHNOLOGIES . Mongoose Multistage Unlimited (. 5). ( ) . . Multistage Unlimited ( ). . . (.. ) . . . ( ) - . Multistage Unlimited concentration frac fluid injection rates you can always evaluate the effects of these design changes because frac injection into formation one can design analyze and repeat at the next fractures with high confidence level. At every stage of pin-point Frac the Multistage Unlimited frac-isolation BHA records actual pressures and temperatures in the frac zone and under packer (see fig. 5). 5 Figure 5 Graph of pressure and temperature in frac zone Two high-resolution gauges (engineered and proprietary specifically for this application) one above the multiple use BHA and one below measure and record pressure temperature and loads affecting the BHA. As a result by every Frac stage You receive an insight that you can t get using the technologies of the previous generation. Post-completion analysis of the MS Frac data can confirm treatment zones isolation one from another or vice versa reveals crossflows between zones of stimulation (natural fractures cement failure longitudinal frac) so one can calculate minimum frac spacing in a given formation. Bottom-hole pressure gage data also identifies the presence and cause of nearwellbore injection restrictions and proppant bridging. Actual pressures recording in the frac zone (no error for pressure loss in tubing when converting from wellhead pressure) provides more accurate model calibration by pressure enabling more realistic frac modeling and hydrodynamic simulation of the formation. You can optimize fracs during the completion by monitoring bottom-hole pressure in real time mode with coiled tubing deadstring Then you can adjust pad size pump rates and sand concentration and ramp from stage to stage as you move up the wellbore based on actual formation response. You can also be very aggressive because even if you do screen out circulation removes excess proppant without extra tripping out of the hole so you can move quickly to the next stage. 28 1 (055) March 2016 . Mongoose Multistage Unlimited Mongoose Multistage Unlimited . 150 25 100 150 1 1400 3 11 4 1 19 4 1 900 4200 ( 19 ) - 1000 - 4200 - 2600 - 114x6 34 . One more important feature of Multistage Unlimited system is that but for its basic value that is diagnostics and recording bottom-hole pressures and temperatures above and below the packer the system enables to optimize the frac fluid composition using actual downhole warm-up and cool-down data under bottomhole conditions in the process of fracturing and after it. 6 Figure 6 Example of graph work operations Mongoose Multistage Unlimited technology application experience in Russian Federation Mongoose Multistage Unlimited technology provided by LLC EWS is starting to be widely used un Russian Federation. Brief statistics 150 sleeves installed 25 fracs performed Max proppant for 1 frac stage is 150 tons Max proppant concentration 1400 kg ton Completed wells with sleeves 11 4 screen-outs were cleaned without extra runs Max number of stages per well 19 Max number of fracs per day 4 Max amount of proppant pumped into 7 Figure 7 Directional survey for typical well in RF 8 Figure 8 Graph of main parameters for work operations to typical well in RF 1 (055) March 2016 29 TECHNOLOGIES ( ) Mongoose Multistage Unlimited . - ( 9 Figure 9 Result of mistakes during well preparation . Mongoose Multistage Unlimited 24- Mongoose Multistage Unlimited 4 19 40 . ( ) Mongoose Multistage Unlimited . one well 900 tons Max well TMD 4200. Example of typical Western Syberia well (with 19 sliding sleeves) - Horizontal section up to 1000 m - Well true measured depth 4200 m - Well true vertical depth 2600 m - Liner 114x6.34 mm. The main problems were problems with well preparation namely - Stinger and or tubing string integrity failure - Low-quality cementing job (cement in the liner) - BHA couldn t go deeper through tubing liner while Mongoose Multistage Unlimited tool run as a consequence additional mill run was made - Deviation between actual and planned well survey - Existence of debris in horizontal section of a well after the well preparation. Analysis show the following minimum requirements were established for well preparation Cooperative selection of a well candidate Getting Work Programs for well preparation (cementing running in hole with a liner running in with tubing) Getting inclination measurement of the horizontal section approved by the Contractor Drifting the liner and tubing Preliminary pressure test of the tubing string Availability of full-diameter stinger. Also after analysis of work performed it was proven that the main factors of increasing an operation with Mongoose Multistage Unlimited technology are The wellbore is not prepared properly for carrying out work Required amount of proppant and fluid is not available The frac crew does not work 24 hours a day. If a job is prepared properly and the abovementioned issues are avoided a Mongoose Multistage Unlimited operation can be fulfilled in less than 4 days 19 frac stages as the frac stages can be done every 40 minutes. In the time it takes moving the Mongoose BHA from one sleeve to another one you are ready to start your next stage. 10 Mongoose Figure 10 Timing for Mongoose well operation 30 1 (055) March 2016 1 (055) March 2016 31 Integrated Approach to Coiled-Tubed multistage frac .. .. .. Weatherford .. Sergey KoValEV Maksim KNYaZEV rafis SHariPoV thru-tubing and Coiled-tubing Services Weatherford russia Nikolay ParSHiN Head of oil recovery Enhancement department ritEK () 65 . 1947 1999 . 1952 . . (). . . 2015 Weatherford () 16- (). - 11 . Fracking is a stimulation method for oil and gas wells that has been used for over 65 years. Fracking was first introduced in 1947 however its commercial application started in 1999 at Barnett Shale field (USA). In the Soviet Union the first hydraulic proppant fracturing was carried out in 1952. Other countries in Europe and Northern Africa subsequently employed hydraulic fracturing techniques. Despite of challenging environment in the oil and gas industry the market has experienced increased demand for multi-stage fracturing. As multi-stage fracking is one of the advanced and efficient technologies for horizontal wells the number of which is growing the demand for this method is growing in our country as well. Such reservoir treatment is absolutely necessary to stimulate production of new wells and extend the life of older wells in mature oil and gas fields. In 2015 RITEK and Weatherford set a new record in the domestic oil and gas industry they performed the first in Russia 16-stage hydraulic fracturing using coiled tubing in a single trip. The operation which took place at the Vladimir Vinogradov field in the Khanty-Mansi autonomous district was completed in a single trip that lasted 11 days. The companies sought to hydraulically fracture a 1 424-m section of a well at a total vertical depth of 2 392 m. 960 tons of proppant was pumped and each frac port was approximately 80 to 90 meters apart. 32 1 (055) March 2016 1424 2392 . 960 80 90 . Weatherford ( ) ( ReelFracTM). 16- . ReelFrac ZoneSelectTM monobore . . ReelFrac J-slot () . . ZoneSelect monobore . . . . Weatherford Weatherford . ReelFracTM ReelFracTM packer Weatherford applied integrated approach for successful implementation of the project and attracted experts of different Products Lines including Completion (they provided a liner for multistage frac operations and supporting services for tripping) Fracturing CoiledTubing and Thru-Tubing Services (they provided bottomhole equipment including ReelFracTM packer). Moreover the 16-stage hydraulic fracturing operation involved innovative technologies that helped to reduce well construction and completion time. The following solutions were used for well completion a compression-set coiled-tubingconveyed ReelFrac packer ZoneSelectTM monobore mechanically controlled multistage frac sleeves. This equipment enables an unlimited number of stages to be stimulated from the bottom upwards in a single trip. After fracturing the first zone the packer is released using an auto J-slot mechanism and the bottomhole assembly is moved to the next frac port which is then opened. The packer is actuated below the newly opened port to isolate previously treated intervals. Among the advantages of this technology is the use of flush mechanically controlled sleeves which enables isolation of specific ports without plugging materials. These ports can be reopened later. The equipment also enables other operations to be performed in selected zones including refracturing. The technology also eliminates restrictions to the outer diameter of logging tools which facilitates well surveys and increases their informative value. Sergey Kovalev Regional Coiled-Tubing & Thru-Tubing Product Line Manager Weatherford Russia Works were performed successfully because Weatherford has a vast experience of working in inaccessible remote fields and has fully featured continuously operating coiled-tubing and frac fleets the cross-country capability and mobility of which helped 1 (055) March 2016 33 TECHNOLOGIES Weatherford - - () . ReelFrac . ReelFrac . . . . . use them at the oilfield with poor transport infrastructure. To enhance exploration efficiency Weatherford offered to test really innovative solutions for Russia at this field multistage fracturing operations via coiled-tubing together with a new tool for full-scale reservoir treatment. ReelFrac packer offered for this job is a compression-set coil-tubing-conveyed system that enables multizone perforation isolation and fracturing during a single trip in the wellbore. The ReelFrac dramatically increases operation efficiency in comparison to conventional plug-and-perforation methods. Operating principle of this packer is quite simple but efficient the ReelFrac uses an abrasive perforator to establish communication between the wellbore and formation. After all the perforations are created a multiset coiled-tubing packer is activated to isolate the wellbore below a specific zone. The zone is then hydraulically fractured by pumping down the coiled-tubing casing annulus. After the fracturing operation the packer is pressureequalized and unset and the system is moved to the next zone for further perforation isolation and fracturing operations. This system enables multiple zones to be treated with a single trip into the wellbore significantly reducing completion costs and operation time. One of the benefits of the packer is that a mechanical casing-collar locator provides 34 1 (055) March 2016 . . . 16- ZoneSelect monobore 1 86 . ReelFrac 60 16 . . . . accurate depth control enabling proper fracture stimulation placement. Abrasive perforator provides clean perforations with minimal formation damage reducing wellbore friction and breakdown pressures for fracture initiation leading to more effective stimulation treatments. Reverse circulation sub enables the removal of fractured materials in case of screen-out reducing the risk of the BHA becoming stuck in the wellbore. Coiled-tubing packer provides multi-set sealing capability via tubing reciprocation enabling high-temperature and high-pressure differential wellbore isolation. The pick-up unloader equalizes system pressure after stimulation enabling easy packer system unsetting for relocation. Summarizing the results Weatherford crew ran a 16-interval ZoneSelect monobore frac and completion system with the sleeves set 282 ft (86 m) apart which enabled the operator to open and close the ports as needed for treatment. They also performed each of the 16 frac stages with 60 tons of proppant. The operation was completed in less than 2 weeks and without tripping out of the hole. Using the Weatherford coiledtubing-conveyed multizone fracturing system the client reduced fracturing time threefold thus reducing well construction time and saving costs. As a result RITEK drillers brought the well online well ahead of the project s schedule. 1 (055) March 2016 35 TECHNOLOGIES . 7 1 . . ( ) . . .. . . 3 . .. . . . .. . . . . . 36 1 (055) March 2016 ( .). . ( ) . . . .. . .. . . . . -320 . . - . ... . ... .. . - . - . . . . . 90- . . . . .. . . . 5 10 .. . . 5 180 940. . . . 1 (055) March 2016 37 100%- . - . . . . 15 250 4 . . . . . - () . . . () . . . . - - . . . . 2012 . 2012 1 ( ) . 2014 . . . 4000 27 400 . . ( ) OHSAS. - . . 117149 . 18 .2 (495) 775-95-75 (495) 775-95-65 E-mail office gazpromgeofizika.ru www.georesurs.gazprom.ru 622.276.6 Selective bottomhole treatment of terrigenous reservoirs with acid emulsion .. . . . .. . . . .. . . . .. .. masters student M. aNtoNoV engineer tyumenNiigiprogaz llC E. PaNiKaroVSKiY Ph.d candidate d. KUStYSHEV Ph.d candidate a. KUStYSHEV d.ng. professor Yu. KaraCHaroVa . . . - - . . 10%. 20% . - The paper presents enhanced oil recovery methods in oil and gas wells with closely-spaced gas-water contanct. It is mentioned that for effective gas production it is necessary to treat each layer individually and isolate layers from one another in multi-zone reservoirs. The paper suggests the technology of bottomhole zone treatment with acid emulsion which is pumped into well through coiled tubing. Proposed technology enables more effective bottomhole zone treatment in porous-fractured terrigenous reservoir. Using coiled tubing for emulsion delivery to treatment layer enables significant reduction in cost of well workover due to elimination of killing operation and faster tripping time. In addition using of hydrocarbon component of emulsion reduces environmental impact. Gas condensate reservoirs at the oilfields of West Siberia refer to low-permeable terrigenous deposits consolidated by argillaceous cement with carbonates content up to 10%. According to bottomhole acid treatment experience hydrochlorid-acid formation treatment is the most effective technology in reservoirs with carbonates content higher than 20%. In reservoirs with a higher carbonates content complex treatment is required in order to remove calcium compounds hydrochlorid-acid treatment combined with clay-acid treatment. At the same time it is widely known that bottomhole treatment (BHT) could not be performed in formations with closely-spaced gas-water contanct. This is due to possible bottomhole rock destruction and early bottom water flowing into formation [1 2]. Usually BHT in low-permeable terrigenious reservoir is performed with technologies based on pumping of different acid solutions in bottomhole zone [3 4 5]. The main disadvantage of all these methods is low efficiency of BHT especially when bottomhole zone (BHZ) is clogged and flooded. That is why it is more effective to apply technologies based on sequential pumping of two acid solutions in BHZ. In the fields that are at the closing stage of development with abnormally low reservoir pressure (ALRP) and 40 1 (055) March 2016 () [1 2]. [3 4 5]. . [6 7]. () . () [8 9]. . . - 18 20%- - . . (. 1) [10]. sufficiently high deposits watercut BHT through flushing pipes after well-killing is not often effective enough due to additional colmatation of formation with killing fluid filtrate. That is why under these conditions it is recommended to perform BHT by pumping acid solution through coiled tubing (CT) without killing operation [8 9]. When wells are operated with ALRP even combined application of acid solutions is low effective especially when BHZ is clogged flooded and complicated by pores and fractures. Consequently in order to eliminate these disadvantages it is necessary to apply new technology based on enhancement of acid solution penetration length in reservoir fractures and pores while watercut should decreases due to BHZ rock hydrophobization and prevention of rock destruction. This paper suggests conducting BHT in fractured-porous terrigenous formation with closely-spaced gas-water contact by lowering coiled tubing into operating well to the top of reservoir. BHT is carried out by pumping methanol and inverted aerated hydrocarbon acid emulsion through the coiled tubing. Emulsion consists of oil 18 20% hydrochloric acid solution nonionic surfactant disolvan and water. The operation includes pushing the emulsion at colmatation zone depth (including bottomhole rock pores and fractures) with inert gas Nitrogen waiting for reaction between injected emulsion and colmatation particles in perforation interval and bottomhole rock pores and fractures then stimulating gas inflow. The technology proposed in the paper includes the following stages (fig.1) [10] Coiled tubing is run into operating well to the top of reservoir with closely-spaced gas-water contact (GWC). Methanol (1 2 m3 per 1 m of treatment interval) is pumped through coiled tubing to dry up BHZ which is being moistened by closely spaced bottom water and wet gas movement. The volume of inverted aerated hydrocarbon acid emulsion is 2-3 m3 per 1 m of treatment interval. This emulsion consists of oil 75 85 wt. % 18 20%-hydrochloric acid solution 3 4 wt. % nonionic surfactant disolvan 0.5 1.5 wt. % and water. Emulsion is pushed with inert gas - nitrogen into formation through the entire colmatation zone including BHZ rock pores and fractures no more than 1.5 m radially. Nitrogen dissolves in fluid and aerates emulsion simultaneously. Aeration of emulsion is accomplished through mixing with nitrogen in ejector (not showed) during pumping into well.Pumping acid emulsion into well leads to hydrophobization of treated formation. This also results in increase in formation water repellency due to wetting of formation pores and fractures with oil component of acid solution. Inert gas bubbles as part of acid emulsion react with surfactant disolvan and provide emulsion penetration in pores and fractures. Then it takes 2 4 hours to wait for reaction between acid emulsion and colmatation particles in perforation interval and bottomhole rock pores and fractures. Small volume of water in acid emulsion doesn t lead to bottomhole zone destruction. Consequently there is no bottom water movement due to GWC rising during field development. After that gas inflow stimulation takes place 1 (055) March 2016 41 TECHNOLOGIES () with flushing wastes together with gas to flare. Then well is operated until full stabilization of designed operation 4 1 2 3 1 mode and then well is brought into production. Preliminary methanol injection is performed to dry up BHZ which is being moistened by closely spaced bottom - water and wet gas movement. This increases efficiency of the following acid emulsion treatment. Sufficiently large volume of oil in acid emulsion provides 2 3 3 1 conditions for hydrophobization that prevents formation 75 85 . % 18 20%- water from entering BHZ and produced fluid. 3 4 . % There s no large volume of water in acid emulsion as - compared to hydrocarbon oil-in-water emulsion. This 0 5 1 5 . % . prevents moistened BHZ rock from destruction. It is well known that water is the main stimulating factor in rock destruction. Surfactant disolvan combined with nitrogen as 1 5 part of emulsion provides deep penetration into BHZ and sufficiently high coating of BHZ rock particles thus . increasing rock water repellency. Inert gas as part of emulsion (aeration up to 5% of volume) enables deep penetration of emulsion into tight ( ) . rock fractures and pores. As an example of proposed technology application below are the results of bottomhole treatment at Yuzhno Russkoye field. . - . 2 4 . . 1 2 3 4 5 6 . 5 6 7 8 9 10 11 12 . 1 casing string 2 tubing string 3 coiled tubing 4 perforation interval 5 acid emulsion 6 methanol 5 and 6 colmatation zone 7 gas-bearing portion of the reservoir 8 flooded portion of the reservoir. 9 fracture 10 pores 11 gas-water contact 12 nitrogen - Figure 1 Scheme of bottomhole treatment with acid emulsion 42 1 (055) March 2016 . . . . . . ( 5% ) . - . 219 40 20 42 . 80 3 2 3 1 80 3 3 3 1 85 . % 18%- 3 . % - 0 5 . % . 165 . 4 . . . . - - . . Coiled tubing with 42 mm diameter was run in operating well with the following parameters casing diameter 219 mm formation thickness 40 m GWC is 20 m below the reservoir bottom. Firstly 80 m3 of methanol was pumped through CT (2 m3 per 1 m of treatment interval) then 80 m3 of inverted aerated hydrocarbon acid emulsion was pumped (3 m3 per 1 m of treatment interval). Emulsion consisted of oil 85 wt. % 18%-hydrochloric acid solution 3 wt. % nonionic surfactant disolvan 0.5 wt. % and water. Emulsion was pushed with inert gas - nitrogen into formation through the entire 165 mm colmatation zone including BHZ rock pores and fractures. It took 4 hours to wait for reaction between acid emulsion and colmatation particles. After that gas inflow was stimulated with flushing wastes together with gas to flare. Then well was operated until full stabilization of designed operation mode and then well was brought into production. Conclusion. Proposed technology enables more effective bottomhole zone treatment in porous-fractured terrigenous reservoir. Using coiled tubing for emulsion delivery in treatment formation enables significant reduction in cost of well workover due to elimination of killing operation and faster tripping time. In addition using of hydrocarbon component of emulsion reduces environmental impact. 1. .. . . 2010. 255 . 2. .. .. .. .. .. . . 2009. 208 . 3. .. .. .. . 2242604 . 2003125214. . 15.08.03 . 20.12.04. 4. .. .. .. . 2247833 . 2003127194. . 08.09.03 . 10.03.05. 5. .. .. .. . 2278967 . 21 43 27. 2005123477. . 25.07.05 . 27.06.06. 6. .. .. .. .. 2198290 . 21 43 27. 2001134447. . 17.12.01 . 10.02.03. 7. .. .. .. .. .. 2269648 . 21 43 27. 2004119927. . 29.06.04 . 10.02.06. 8. .. .. .. .. . . . . . 2007. 112 . 9. .. . - 2008. 370 . 10. .. .. .. . - 2459948 . 21 43 27. 21 43 22. 2013132098. . 10.07.13 . 27.10.13 . 28. 1 (055) March 2016 43 TECHNOLOGIES TECHNOLOGIES Improving Hydraulic Fracturing Technology .. . . . .. . . . - Yu. BalaKiroV prof. d.Eng. member of the international Higher Education academy of Sciences i. BUrKiNSKiY Ph.d. in Economics Master in oil and gas production Yug-Neftegaz llC chairman here are several ways to improve hydraulic fracturing (HF) technology in oil and gas wells which is simple at first sight. It is possible to . combine HF with other stimulation methods such as sand jet perforation making fractures in formation high-pressure injection of acid compositions and () other related oil and gas production stimulation methods. But apart from that during the process of () initiating fracture it is necessary to use flow diversion technology that enables relocation of process fluid that creates fracture at any time. We think that the best flow . diversion equipment during HF is flow head and gaslift equipment which is well-known among field engineers mounted at the wellhead (Fig. 1) (b) (c) (d) (e) . 70 140 210 2 140 210 350 2 140 210 350 2 210 350 500 700 2 350 500 700 2 1 2 3 4 5 6 7 (. 1). 8 9 10 11 ( 2 0 1 ) a working pressure 70 140 210 kgf cm2 b 140 210 350 kgf cm2 c 140 210 350 kgf cm2 d 350 500 700 kgf cm2 1 pressure gauge 2 T-valve 3 upper swab valve 4 flow tee 5 choke 6 and 7 valves 9 cross 10 lower swab valve 11 crossover (kgf cm2 0 1 MPa). 1 . Figure 1 Wellhead equipment for oil and gas wells Given the fact that we have powerful HF fleet with many energy-packed mobile units the question arises why . is there only one The best flow diversion equipment during HF is flow fracture in one layer . The answer is the head and gaslift equipment which is well-known reason is no flow among field engineers mounted at the wellhead. diverters have been used during HF. - At present time HF is a leading oil and gas production . stimulation method but as time passes competitors can push this technology aside and stop its success. That is why as professionals we have to constantly advance HF technological base and change it with 1. ( . new technical ideas. .. ). . 1974. T 44 1 (055) March 2016 1 (055) March 2016 45 16- - ( 2) ProceedingS of the 16th international Scientific and Practical coiled tubing hydraulic fracturing and Well intervention conference (Part 2) ReelfRACTM ReelfRACTM . . Weatherford ReelFra ( ) Weatherford () - . ReelFra . ( ) . . . . ReelFrac . AutoJ-Slot ( - ). . ( ) . ReelfRACTM pACkeR And ReelfRAC COmpRessIOn-seT sTRAddle pACkeR sysTem fOR unlImITed mulTIsTAge fRACTuRIng And RefRAC OpeRATIOns Sergey Kovalev Timur Sabitov Weatherford Weatherford s ReelFrac Packer is a compressionset coil-tubing-conveyed system that enables multizone perforation isolation and fracturing during a single trip in the wellbore dramatically increasing operation efficiency in comparison to conventional plug-and-perforation methods. The ReelFrac uses an abrasive perforator to establish communication between the wellbore and formation or shifting tool for opening the sleeves of completion. After all the perforations are created (sleeve open) a multiset coiled-tubing packer is activated to isolate the wellbore below a specific zone. The zone is then hydraulically fractured by pumping down the coiled-tubing casing annulus. After the fracturing operation the packer ispressure-equalized and unset and the system is moved to the next zone for further perforation isolation and fracturing operations. This system enables multiple zones to be treated with a single trip into the wellbore significantly reducing completion costs and operation time. The ReelFrac compression-set straddle packer system enables multizone isolation and fracturing in a single trip during refrac operations. The anchor and packer are set by reciprocating the tubing to cycle the auto J-slot once the bottomhole assembly is run to depth. Set-down weight is then applied to anchor the straddle and actuate the packing element of the bottom packer. When the packing element is actuated (with or without a cup system) and the wellbore engaged both unloaders are in their closed positions. After the packers have been set and the desired zone stimulated the unloaders are then sequentially moved to their open positions. This is achieved by picking up on the coiled tubing to activate the unloaders. With the unloaders in the open position the portion of the wellbore above and below each packing element (with or without a cup system) may be communicated while the element is in the set position. Once the pressure is 46 1 (055) March 2016 . ( ). . . . .. - - . . 192 . . . - - - . - ( ). 1500 1600 10 50 0 02 0 9 . 1 2 . 2014 . . equalized the packer can be easily disengaged from the wellbore and repositioned for multiple uses. RefRACTuRIng Ron Clark Coiled Tubing Times A multi-faceted discussion on the very hot topic of Refracturing of existing wells. How Refracturing can reduce well costs add production produce more of recoverable reserves from existing wellbores. Some information on economics will be present. expeRIenCe Of hydRAulIC fRACTuRIng InTROduCTIOn AT dOmAnIC depOsITs. shAle OIl pROduCTIOn In The RepublIC Of TATARsTAn Maxim Fadeev TagraS-RemService LLC As potential hydrocarbons source Domanic deposits have always been attracting petroleum geologists. At present time the oil production project in shale deposits is at the stage of geological survey. Potential shale oil resources of Tatneft are estimated as 192 million tonnes. Since the Republic of Tatarstan is one of the oldest oil and gas producing regions and most of the fields are at the closing stage of development the Republic of Tatarstan has become a leading region in terms of unconventional resources research due to drastic reduction in production of conventional oil which is economically feasible to produce. In this regard new project PoligonDamanic was launched in Tatarstan with agreement of Rosgeologiya . Domanic suite deposits has been found all over the eastern part of the East European Platform within the boundaries of Timan-Pechora and Volga-Ural oil and gas basins. Suite consists of argillic-carbonate rock (dark bituminous shales interlaid with dark bituminous limestones). Depth of Domanic suite is 1500 1600 m net pay zone 10-50 m permeability 0 02 0 9 mD. The average production rate is 1 2 t day. The first oil production started in 2014. It is no use discussing high profitability of field development with such a production rate. In order to enhance oil production in Domanic deposits it was resolved to carry out pilot development with hydraulic fracturing (HF). Candidate wells were selected for this pilot development. The first stage of the pilot development was performing proppant HF. HF design was simulated with account of Domanic reservoir properties. Proppant injection ranged from 10 to 70 tonnes. Minifrac results provided data for injection analysis that was carried out using Meyer software. Regression analysis showed that minimum fracturing gradient was 0 16783. G-function in the beginning of the plot above slope line stands for 1 (055) March 2016 47 TECHNOLOGIES . -. . 10 70 . - Meyer 0 16783. G- . () 200 3. 120 150 3 . 1 250 3 . 250 3. 1 . 2 5 3 30 60 300 3. . . . . . 1 4 . 1 4 . 2 3 . 30 16- ( 2) ProceedingS of the 16th international Scientific and Practical coiled tubing hydraulic fracturing and Well intervention conference (Part 2) instant pressure-dependent leakages. This means that during HF additional instant leakages are possible. These leakages have a significant impact on fracture geometry resulting in complication when proppant concentration is higher than 200 kg m3. In order to prevent this complication at the stage of linear gel injection two stages of silica sand injection were added with concentration from 120 to 150 kg m3 to limit the vertical growth of a fracture. Premature screen-out occurred during HF on the well 1 when proppant with concentration of 250 kg m3 was transported through perforation interval. Injection was stopped because of the vertical growth of a fracture which has a limited width and is not able to accept proppant with concentration of more than 250 kg m3. Taking into consideration experience obtained on the well 1 technology of cyclic integrated HF was developed. The well 2 was treated with the following stages of HF preliminary highvolume acid treatment increasing injection rate up to 5 m3 min injection of proppant fraction 30 60 with maximum concentration of 300 kg m3. Proppant injection was performed at regular intervals in order to prevent fracture sealing due to proppantscreenout. HF was performed successfully fracture was initiated and stabilized without premature screen-out. The next stage of pilot development program was multistage acid fracturing in horizontal well. Fracture opening direction was identified horizontal wellbore drilling direction was selected with consideration of maximum and minimum stresses. . 20 . During operations Fidmash CJSC equipment was used. This equipment proved to be hightech and reliable. No failures were registered during 20 hours of continuous HF equipment operation. 48 1 (055) March 2016 . 7 . 300 3 . . . . . 20 . .. . (). . 2000- - . 2007 2008 . . . 16- ( 2) ProceedingS of the 16th international Scientific and Practical coiled tubing hydraulic fracturing and Well intervention conference (Part 2) Horizontal part of the well was completed with the following equipment liner with actuating sleeves and annulus swelling packers for intervals isolation. Aquifers proximity to ports 1 and 4 was considered during design of multistage acid fracturing. In order to prevent fracture penetration in oil-water contact it was chosen to carry out matrix acidizing in ports 1 and 4 without fracturing. Ports 2 and 3 were to be treated with acid HF. In order to isolate treated interval and open a new one a ball was dropped during injection pressure jump to 30 MPa was to show that new port is actuated and the previous treatment interval is isolated. At present time 7 pilot development programs with HF were carried out with positive results. According to these results it can be concluded that commercial oil inflow was obtained even after HF with minimum concentration of injected proppant (300 kg m3) and preliminary acid treatment. It is also should be noted that during drilling horizontal wells in Domanic deposits horizontal part must be equipped with multistage acid hydraulic fracturing assembly. Thus the most effective method of stimulation of low-permeable Domanic deposits is hydraulic proppant fracturing or acid HF. New discoveries and new technologies make it possible to produce oil from huge unconventional hydrocarbon reserves that were considered unprofitable not long ago. During operations Fidmash CJSC equipment was used. This equipment proved to be high-tech and reliable. No failures were registered during 20 hours of continuous HF equipment operation. neW RAdIAl dRIllIng TeChnOlOgy Pavel Popov Neftegastechnologiya LLC At present time technologies of well stimulation enhanced oil recovery methods unconventional and hard-to-recover reserves development are of the increasing importance in the oilfield market. Neftegastechnologiya LLC informs about new perspective developing technology designed for solving the above mentioned tasks technology of creating long filtration channels in operating wells radial drilling technology. Historical background. The first operations in Russia with prototype radial drilling technology started in the mid 2000s at the oilfields of Tatneft 1 (055) March 2016 49 TECHNOLOGIES . 2016 . . . . . .. .. .. .. .. .. . 70% . ( 22%) - . . - ( ) () 16- ( 2) ProceedingS of the 16th international Scientific and Practical coiled tubing hydraulic fracturing and Well intervention conference (Part 2) LUKOIL Rosneft TNK-BP Gazprom and other companies. Our company prepared and carried out radial drilling in Gazprom at Urengoy fields in 2007 2008. With the previous development level of this technology no increase in oil rate in terrigenous reservoirs was registered in no one Russian company. At the same time multifold increase in oil rate was registered in carbonate reservoirs. Neftegastechnologiya LLC conducted analysis of operational experience results of the same operations in other companies and identified weaknesses of this technology that made impossible to obtain good results in terrigenous reservoirs. Today we are talking about the opportunity to introduce new radial drilling technology to Russian market in 2016. This technology uses the general idea of jetting channels but completely different wellhead and downhole equipment parameters and operating modes. This new technology has no previous disadvantages that stopped its expansion to the oilfield market. It is adapted to both terrigenous and carbonate reservoir conditions. The substantial advantage of the application of this technology is the ability to conduct all operations in underbalanced conditions from creating channel to installing production assembly. Detailed comparison of this technology and justification of its advantages over the previous version as well as applicability are shown in presentation. Rup pO belORusnefT s expeRIenCe In The ApplICATIOn Of TeChnOlOgy Of deeplypeneTRATIng RAdIAl fIlTRATIOn ChAnnels CReATIOn.develOpmenT TRends N. Demyanenko S. Klochkov M. Galay D. Tretjakov V. Semenkov Republic Unitary Enterprise Production Association Belorusneft Hydrocarbon resources at the fields of Pripyat Trough which is the main region of RUP PO Belorusneft activity are constantly deteriorating. At present time the proportion of hard-to-recover reserves reaches 70% in all technically recoverable reserves in the region. Main volumes of hard-torecover reserves are located in low-permeable layers in high watercut zones of the fields which are at the 4th stage of development (nearly 22%) and in low-permeable deposits in the fields that are at the 1st 3rd stages of development. Taking 50 1 (055) March 2016 8 . . 100 . . . 8 . 1. . 2. 2 5 . 3. - ( ) . 16- ( 2) ProceedingS of the 16th international Scientific and Practical coiled tubing hydraulic fracturing and Well intervention conference (Part 2) into consideration nonuniform formations and unbalanced recovery of reserves it is required to drill specific low-permeable intervals and create system of long drainage channels within these intervals. For this purpose RUP PO Belorusneft developed new equipment and technology that enables creation of deeply-penetrating filtration channels system in low-permeable and poorly drained reservoir rocks at different levels (different well depths) up to 8 channels at one level. The technology makes possible to establish reservoir fluids gathering system. Penetration depth of radial-type channels can be up to 100 m resulting in multifold increase in fluid filtration area. The technology is an alternative to hydraulic fracturing and short-radius sidetracking technologies. It is designed for treating specific zones and intervals which contain residual oil. At present time the technology was introduced in 8 wells. Analysis of operational results showed that 1. Technology is fully functional and efficient with incremental oil production as a result. 2. Oil rate can be increased 2 5 times. 3. Operational efficiency enhancement requires the following When selecting intervals for creating long filtration channels in low-permeable layers it is necessary to include layers with medium and definitely maximum values of open porosity and effective thickness It is necessary to use degassed oil as a process fluid in wells with low reservoir pressure. Diesel fuel kerosene and carbon dioxide should be used as a working fluid When formation pressure is close to hydrostatic head or higher it is necessary to use technical or formation water as a process fluid. Water must contain special water-repellent surfactants that create water-repellent environment around created filtration channel (water-repellent adsorption layer) working fluid must have minimum interfacial tension between the oil and water phases Acid compositions for treating created filtration intervals must have the same characteristics of the influence on formation as working fluids When formation pressure is low so that it is not possible to create pressure drawdown required for removal of penetrated working fluid out of porous media around filtration channel no operation should be planned In order to develop and optimize this technology 1 (055) March 2016 51 TECHNOLOGIES . .. .. .. .. . .. . . . . . . . - Precision Tube Technology Inc. . 1 2 1 5% . . 16- ( 2) ProceedingS of the 16th international Scientific and Practical coiled tubing hydraulic fracturing and Well intervention conference (Part 2) it is necessary to develop a program and conduct special research on selection of water-based working and stimulation fluids that meet the above mentioned conditions. Also it is necessary to conduct research on determination of maximum pressure gradients enabling fluid to filtrate through a low-porosity rock. InfluenCe Of fIeld fACTORs On The COIled TubIng sTRIng lIfeTIme A. Molchanov S. Romanenko V. Pevnev V. Frolova Gubkin Russian State University of Oil and Gas Expansion of conventional coiled tubing technologies ultimately lead to quality changes exploration of new areas. In particular one of these new areas is production of super-viscous oil for example in the Republic of Tatarstan the Extreme North regions Kazakhstan. Exploitation of coiled tubing strings in these environments keeps the problem of coiled tubing string lifetime currently important thus providing operation effectiveness. Application of CT strings during super-viscous oil production is carried out using high-temperature heat-transfer fluids. That makes it necessary to define its impact on strength properties and remaining lifetime of strings. Ultimately these tasks are based on determination of the number of string load cycles under the following conditions before string destruction under the conditions of string strain when it is bended at determined radius with determined internal pressure of the process fluid environment temperature and temperature of the process fluid. All these factors are independent. At present time the best-known are the dependencies of string lifetime on bending radius and internal pressure of the process fluid. These dependencies obtained by manufacturing companies for example Precision Tube Technology Inc [1] are empirical. Conducting fatigue tests on string samples requires a lot of strings while conducting these tests at different fatigue stages under field conditions is not possible. That is why it is important task to develop testing methodology based on testing of laboratory samples along with conducting research on stress state of string material. One of the specifics of coiled tubing string operation is the occurrence of stresses that exceed yield limit. These stresses cause plastic strain within 52 1 (055) March 2016 . . . . 16- ( 2) ProceedingS of the 16th international Scientific and Practical coiled tubing hydraulic fracturing and Well intervention conference (Part 2) a 77 6 N-0 79 -1 (1-m )N01 m N-1 m (a ) . (1) . . . .. . 20 N (0 00713-0 33262 -3 9086 242 82) (-0 00142 0 0354-1 2517). -40 160 . . (2) N( p T) N( p ) A(T) (3) 1 2 1 5% which affect string material at zeroto-compression stress cycle. The presence of the internal pressure lead to meridional and tangential stresses that don t exceed yield limit and may be considered constant during performing certain operations. External and internal temperature effect leads to a change in strength and strain properties of string material and correspondingly changes string tendency to crack. All these different factors that affect string lifetime make impossible to use the latest metals strength theories. In order to determine cumulative effect of bending and internal pressure it was necwssary to consider the influence of strain caused by these effects. The string was considered to be thin-walled shell. Obtained dependency connected axial and lateral strains a eq 77 6 N-0 79 -1 (1-m )N01 m N-1 m sec(a eq) (1) (2) Obtained dependency correlates well with dependency obtained by American researchers during testing of full-scale coiled tubing samples. This dependency was examined during testing of samples on pull-test machine. Cycling stressing was applied under the conditions of stresses that exceed yield limit. Testing was carried out in laboratory in Gubkin RSU of Oil and Gas at a temperature of 200 C. The combined effect of internal pressure with strain is described by the following dependency N (0 00713-0 33262 -3 9086 242 82) eq (-0 00142 0 0354-1 2517) (2) N( p ) 2 A(T) . 5 - 30 250 120 . In order to determine the influence of temperature on string lifetime pull-test machine was equipped by heat chamber within the range from -40 to 160 C. This range is based on the minimum temperature of injection of cold process fluid and maximum temperature of the injected fluid boiling temperature. The number of cycles before string destruction was defined by a formula (2). According to experimental data at other temperatures this number is defined by the following formula N( p T) N( p ) A(T) (3) 1 (055) March 2016 53 TECHNOLOGIES . . .. .. .. . . . . - () . ( ) . 16- ( 2) ProceedingS of the 16th international Scientific and Practical coiled tubing hydraulic fracturing and Well intervention conference (Part 2) where N( p ) is a dependency A(T) is an empirical constant which is dependent on specifics of steel performance at different temperatures. This constant can vary within the wide range and lead to a change in the number of tripping operations from 5 at temperature 30 C to 250 at temperature 120 C. Obtained dependencies make possible to determine tendencies of the impact of different factors on coiled tubing strings lifetime and get recommendations on identifying workover rig parameters and operation modes features during heavy oil production at high temperatures. Together with the existing method of quick determination of remaining lifetime under field conditions the application of obtained results enables engineers to set CT strings operation modes more reasonably when performing workover operation and using CT strings for wells with super-viscous oil. develOpmenT Of dIveRTeR COmpOsITIOn On The bAsIs Of AlumInum pOlyOxyChlORIde fOR eOR OpeRATIOns In lOW-peRmeAbIlITy ReseRvOIRs L. Magadova K. Poteshkina Research and Development Center Oilfield Chemistry Gubkin Russian State University of Oil and Gas The oilfields in Russia are being developed with a flooding method which maintains formation pressure and provides high recovery rate. However there is a difference between oil production operations in different complex nonuniform formations with different permeabilities the injected water invades formation areas with higher filtration characteristics thus leading to creation of flooded-out regions while low-permeable layers are left untreated. In order to improve sweep efficiency in lowpermeable reservoirs it is necessary to create a diverting boundary at a remote distance from the injection well. That is why there are certain requirements for the injection fluids a wide viscosity range and long duration of gelling process. Research and Development Center Oilfield Chemistry developed EOR compositions based on aluminum polyoxychloride carbamide and additional agent hydrolysis speed controller for application in terrigenous reservoirs at a wide range of formation temperatures. These compositions are low-viscosity molecular solutions that are characterized by long induction period of gelling process but its efficiency depends on the external conditions (temperature pH balance). This requires detailed research of gelling process. 54 1 (055) March 2016 . . .. .. .. .. - .. . . HF . . . . . - . . 16- ( 2) ProceedingS of the 16th international Scientific and Practical coiled tubing hydraulic fracturing and Well intervention conference (Part 2) The paper investigated the gelling process behavior in developed fluids at different temperatures and salinity of the applied compositions. On the basis of conducted research the paper proposes the technology of conformance control in low-permeable reservoirs using water-soluble polymer injection along the drainage boundary for reducing composition wash-out. InvesTIgATIOn Of sedImenTATIOn In CAse Of TeRRIgenOus ReseRvOIRs dIssOluTIOn In fluORInATed ACIds Z. Davletov M. Pakhomov L. Magadova L. Davletshina Research and Development Center Oilfield Chemistry Gubkin Russian State University of Oil and Gas At present time acid treatment in producing wells is the most popular stimulation method. The reasons for this are technology simplicity and availability and relatively low costs. The main agents in acid composition for treating terrigenous formation minerals (framework and layer silicates) - are usually hydrofluoric acid and fluorides. However during chemical reaction with hydrofluoric acid different products develop. These products can precipitate in formation thus filling in bottomhole zone pores resulting in significant reduction of acid treatment efficiency. It is known that it is almost impossible to eliminate precipitation during terrigenous rock dissolution. However it is necessary to conduct detailed analysis of this process for determination of basic principles. This analysis is an important stage of acid treatment improvement as it will provide the opportunity to control dissolution process. This paper presents the results of analysis of polymicticterrigenous rock dissolution in different fluorinated acid compositions. The authors conducted analysis of the influence of main factors on dissolution process treatment temperature reaction time type and concentration of fluorinated agent concentration of hydrochloric acid. During analysis of dissolution of core material the following methods were used gravimetric method X-ray phase analysis infrared spectroscopy and X-ray fluorescence analysis of used acid solutions. Dissolution was analyzed using extracted and desegregated rock samples. Concentration of hydrofluoric acid was within the range 1 3% wt HCl content 0 18% wt. Time of reaction between acid 1 (055) March 2016 55 TECHNOLOGIES HF 1 3% . HCl 0 18% . 1 8 20-80 . . Si Al . . HF. Si Al. -. . .. 1. (89-76 89-76 89-73) 2. 3. () 4. 5. 6. . 16- ( 2) ProceedingS of the 16th international Scientific and Practical coiled tubing hydraulic fracturing and Well intervention conference (Part 2) and rock was from 1 to 8 hours at temperature of 20 80 C. It is defined that increase in temperature treatment time concentration of fluorinated agent lead to rock solubility enhancement. At the same time decrease in crystallinity degree and Si Al ratio in acid solutions after treatment indicates precipitation of reaction products during treatment. Benchmarking analysis of dissolving ability of compositions based on hydrofluoric acid and ammonium fluoride concluded no substantial difference between these compositions in solubility and crystallinity degree. At the same time it was discovered that acid compositions based on ammonium fluoride have higher sediment suspension properties as compared to compositions with HF. Increase in concentration of hydrochloric acid in the presence of fluorinated agent stimulates rock dissolution such increase leads to a growth of core material solubility decrease in crystallinity degree of treated rock and decrease in Si Al ratio. Sediments developed during precipitation of used acid compositions were investigated with X-ray phase analysis and infrared spectroscopy. It was defined that the main sediment fractions are hexafluorosilicates hexafluoroaluminates and silica. AdvAnCed hIgh-TeCh equIpmenT fOR Well InTeRvenTIOn And lOggIng OpeRATIOns WITh The ApplICATIOn Of COIled TubIng unITs I. Tereshko Novinka CJSC The presentation demonstrates technical specifications and technological capabilities of the following types of equipment developed in Novinka CJSC 1. Equipment for directional drilling (construction regulations 89-76 89-76 8973) 2. Equipment for increasing coiled tubing speed. 3. High-efficient drilling tools (bits). 4. Equipment for running logging tool in hole. 5. Cable heads including cable heads suitable for cleanout. 6. Equipment for installation of logging cable inside the coiled tubing. 56 1 (055) March 2016 1 (055) March 2016 57 . We have complicated Wells that require high technology Services . 16- - . . . . . The Coiled Tubing Times Journal has interviewed the leading experts from NOVATEK Company Ivan Gennadievich Kashtanov Head of Well Intervention Department and Andrey Aleksandrovich Demenkov Head of Supervision Department. The interview was held on the sidelines of the 16th International Scientific and Practical Coiled Tubing Hydraulic Fracturing and Well Intervention Conference. Coiled tubing times ivan Gennadievich andrey aleksandrovich could you please introduce the NoVatEK Company to our readers ivan Kashtanov NOVATEK has been on the market for as many as twenty years. It is an independent Russian gas producer. The company has nine producing subsidiaries. Unlike other companies NOVATEK is a private company which produces gas and gas condensate and focuses on the best available technologies and innovations in the sphere of well intervention including the technologies to be presented at this conference. Our company has already started applying most of such technologies. As regards well intervention we make active use of coiled tubing while performing multistage hydraulic fracturing. We . apply coiled tubing for the most of our As regards well intervention we make active use of coiled operations in particular for opening tubing while performing multistage hydraulic fracturing. the sleeves of formation shut-off valve. Such type of well completion is used within the framework of Yamal LNG Project in order to preserve the filtration and storage properties of the reservoir. Coiled tubing is also used . in other projects including well development well . cleanout operations etc. andrey demenkov All subsidiaries of the NOVATEK Company perform their activities in the . Yamalo-Nenets Autonomous District. Having no service units we outsource the services of third parties. - Coiled tubing times What does NoVatEK . require from its third party contractors What criteria are used in their selection .. andrey demenkov Naturally it is a competitive procedure with open tendering. At the first stage we perform analysis of the qualifications and technical - 58 1 (055) March 2016 . . . . . . . . capacity of the contractors. We have a certain system for assessing potential contractors. Upon such assessment and an audit a service company is put on the list of qualified contractors and gets an invitation to tender. Coiled tubing times What are the criteria for being included in this list What are the priorities the technologies the contractor is using or the equipment it possesses andrey demenkov We have a number of requirements. Certainly there should be a certain period of the operational background. Compliance with safety requirements is also a must. All the necessary equipment and staff are to be in place. Each type of services whether related to coiled tubing hydraulic fracturing well workover or other activity is connected with a set of requirements which enables the company to ensure that the contractor meets the so-called Eligibility Criteria. Coiled tubing times Such approach must have allowed NoVatEK to find a group of contractors with the necessary qualifications right . andrey demenkov Yes we have a pool of contractors. . . . . Upon such assessment and an audit a service company is put on the list of qualified contractors and gets an invitation to tender. . Coiled tubing times there couldn t be a more suitable term for them ivan Kashtanov In official terms it is called the List of Qualified Contractors. Such lists have been made for each type of services. andrey demenkov It is a list of highly qualified . contractors which are almost sure to be invited to tender. The list is updated on an annual basis and if necessary is amended whenever we spot new service companies. We are keeping track of new companies for each of the services we need. . Coiled tubing times does NoVatEK have . more domestic or international companies among its contractors andrey demenkov In the course of a tender the same criteria are applicable to Russian and . international companies however international contractors prevail in the sphere of high-technology . services. . ivan Kashtanov Everything depends on the type of services. The contractors employed for drilling or well workover operations are for the most part 1 (055) March 2016 59 PRACTICE CUSTOMERS SPEAKING . - . . 50 50 . . - . . 2030 . . . . . . . - . Russian companies while with coiled tubing or hydraulic fracturing services we have a 50 50 split between international and domestic contractors. Coiled tubing times What do you think about the idea of establishing an integrated russian service company which is being given full consideration at all levels andrey demenkov As for me I like the sound of it. However will such company be able to become a rival say to Schlumberger with its variety of research units and innovations In fact it may require too much time and too many funds and there is no guarantee there will be any sufficient financial support. After all Schlumberger invests a vast amount of money in new projects and technologies. Coiled tubing times What has changed in the policy of NoVatEK in the view of sectoral sanctions and a decrease in oil prices andrey demenkov The company has approved its corporate strategy for the period of up to 2030. It has been published on our web-site. As regards the sectoral sanctions we have turned towards Russian manufacturers in order to find substitution for some services and equipment where it seems possible. For example we have chosen Russian manufacturers of downhole equipment for multistage hydraulic fracturing over the foreign ones. Initially we used the equipment produced by Schlumberger or Halliburton today our supplier of collars and well completion components is the Russian company Zenit from Krasnoyarsk. Coiled tubing times are you satisfied with the quality of such equipment andrey demenkov in terms of quality this equipment is on a par with the equipment we bought from foreign suppliers. Coiled tubing times How does your company handle the issues of import substitution andrey demenkov Our company has no intention to replace all imported equipment at any cost. We consider options for import substitution where there arise issues of value sensitivity. If the quality of a foreign rival product is the same or higher as compared to domestic products we still give preference to the former. We give a great deal of thought to import substitution. Our company has made it a practice to opt for domestic equipment and cost cutting whenever possible but we have never planned to replace everything we import just for the sake of replacing. ivan Kashtanov What really matters is to avoid the deterioration of quality as a result of unreasonable import substitution. Coiled tubing times You have chosen a thoughtful approach. does the NoVatEK Company have any plans to create its own 60 1 (055) March 2016 . . . . service units for the works which are most in demand ivan Kashtanov Historically the NOVATEK Company has never had its own service units for well intervention including drilling well workover hydraulic fracturing... It is still not a matter of current interest for the company. We deal with complicated wells which are mostly horizontal extended-reach wells. They require high-technology services. Coiled tubing times there seems to have been information on NoVatEK setting a record in the figures of well depth. . ivan Kashtanov It is true. The drilling depth record was set during realization of a unique Yurkharovsky Project. We were drilling wells coming from the shore under the Gulf of Ob with significant deviations and depth figures. During those operations service companies set a number of Russian records in terms of well depth. ... andrey demenkov We mean records for on . shore drilling. . . . . We give a great deal of thought to import substitution. Our company has made it a practice to opt for domestic . equipment and cost cutting whenever possible but we . have never planned to replace everything we import just for the sake of replacing. . ivan Kashtanov Our experts together with . the representatives of the service companies have . published some articles in that regard some of them being SPE-marked. Nevertheless our management . considers it unreasonable to establish our own service units as there is no guarantee of their full . capacity operation. Generally high technology services involve technical support from international companies with their geological steering equipment directional drilling drill-bit services and drilling .. SPE. muds (our wells require oil-based muds). It goes without saying that such complicated wells need the matching sophisticated equipment. . andrey demenkov And it should be reliable too. Coiled tubing times What would you - recommend to the domestic service companies which would like to give their international rivals a run for their money . ivan Kashtanov I would advise them to attend conferences including this Coiled Tubing Hydraulic . Fracturing and Well Intervention Conference. The . two days of the conference give us an opportunity to talk to contractors and clients and to find out what they think and what they do thus getting a glimpse 1 (055) March 2016 61 PRACTICE CUSTOMERS SPEAKING . of our future and our prospects. Having listened to the speakers during the first day of the conference in particular the reports made by experts from Wetherford and EWS we discovered that application of ball-activated systems in horizontal wells is becoming a thing of the past so we should make an . effort to catch up with the companies which are far ahead. My advice is not to take steps which proved to be limiting your future opportunities. You may soon need your old well stock for another round . of hydraulic fracturing and well stimulation while today many wells are completed with ball-drop Weatherford fracturing assemblies. Fortunately such wells make only part of our company s stock and we plan to go ahead with modern methods of well completion . . . . During the conference we have come to realize that the method of multistage hydraulic fracturing with ports initiated by ball drop is likely to be a dead-end. By using this method we shorten the production life of a well because refracs at such wells will be . either impossible or cost-inefficient. with controllable shifting sleeves that will ensure that we have a greater variety of options in case of refracturing operations. andrey demenkov During the conference we have come to realize that the method of multistage . hydraulic fracturing with ports initiated by ball-drop is likely to be a dead-end. By using this method we shorten the production life of a well because refracs at such wells will be either impossible or cost . inefficient. We are going to inform our management that we will have to change our plans promptly and start using opening closing ports. This is how we benefit from the conference. . Coiled tubing times Both of you have recurrently participated in the Coiled tubing Hydraulic Fracturing and Well intervention . Conference. What can you say about the evolution of this event . ivan Kashtanov The conference has made good progress. I am here for the sixth time. andrey demenkov i have attended the conferences from the very start. ivan Kashtanov For the last five or six years . the conference has lived up to high standards. Its program always contains reports of a special interest. Of course all reports are worth considering but . . there are those which serve as a booster and make us - introduce changes on returning home. . 62 1 (055) March 2016 5 6 . . . 10- 2010 . .. .. . . . . . . . . . . . . . . . . . . andrey demenkov In 2010 during the 10th Conference we were deeply impressed by the report made by A.M. Molchanov Professor of Gubkin Russian State University of Oil and Gas. He told us how coiled tubing drilling may be performed from a submarine. We felt exhilarated his report is still best remembered. ivan Kashtanov Yes we were impressed by the non-conventional approach and the usage of decommissioned submarines for coiled tubing. Coiled tubing times it looks like this idea was ahead of time ivan Kashtanov I believe that today the idea may be brought to life and though it sounds surreal the technology may turn out to be in high demand given that we are going offshore and start offshore drilling. We are currently reviewing projects which involve offshore drilling from ice-resistant platforms in the conditions of short navigation seasons. Perhaps such unconventional approach could solve a number of problems inherent in geological exploration. andrey demenkov It s not about that specific presentation it s about such presentations in general the presentations which are ingenious which come as a bombshell and liven up conferences. I would like to see more of such presentations. I also hope that the conference expands its horizons by inviting geological survey experts and representatives of field developments services. Their participation would be very informative for us as customers. Coiled tubing times i like the idea. No doubt the hosts of the conference should give it a consideration. ivan Kashtanov While technical experts tend to ask questions about the operation process and whether there were any accidents geologists and development engineers could come up with some ideas to be implemented by technicians and bring up burning issues to be discussed. Also I would like to see more well intervention experts from the remote regions and subsidiaries who are to introduce and apply new technologies in the field. This would help them to update their knowledge and broaden their horizons. The conference would then embrace much more people. Coiled tubing times We advise parent companies to inform their subsidiaries about the coming conference and send delegates from such subsidiaries to take part in it. the hosts of the conference and particularly our journal promise to make the relevant announcements in advance. What information would you like to find in the Coiled tubing times ivan Kashtanov We are your regular subscribers. Due to the Coiled Tubing Times we are always able to keep the track of what is going on in the coiled tubing market and we get acquainted with the technologies being chosen by other gas producing 1 (055) March 2016 63 PRACTICE CUSTOMERS SPEAKING . and service companies. I would like the journal to . give coverage not only to the achievements but also to the problems and failures if that is possible. andrey demenkov i would like to see more analytical articles in the journal. . ivan Kashtanov The Coiled Tubing Times presents lots of data on the equipment and 500 . . We intend to use coiled tubing for all stages of the testing and development of the Jurassic well with abnormally high formation pressure where the wellhead pressure is expected to be about 7 350 psi. . . instruments suitable for usage in the traditional regions for example in Western Siberia while our company is implementing its projects in the Yamal region where we have to deal with Jurassic and . Achimovsky deposits all of which are characterized by abnormally high formation pressure. There we need special equipment and specific instruments. . Not all service companies have them at their . disposal. . Coiled tubing times i guess implementation of projects in the Yamal region also requires unique technologies. ivan Kashtanov I am not sure whether we are going to be the first but we intend to use coiled tubing for all stages of the testing and development of the Jurassic well with abnormally high formation pressure where the wellhead pressure is expected 500 . to be about 7 350 psi. Both the wellhead pressure and the formation pressure are quite high there. We . plan up-the-hole testing of the Jurassic deposits 10 2 from Yu10 up to Yu2 we are going to open sleeves perform multistage hydraulic fracturing exploration ... operations... This will be our first experience of the kind as coiled tubing has not found wide application . in the sphere of geological exploration so far. We do not plan to use weighted drilling muds because 2 15. without coiled tubing we would need muds with the density of 2.15. andrey demenkov We would like to perform . the entire cycle based on coiled tubing including . well development packers setting and hydraulic jet perforation. The well is extremely difficult and . this work is crucial for us because its outcome will determine the future of one of our subsidiaries. ivan Kashtanov We are currently working out all . the technical aspects and we believe we will succeed. . Coiled tubing times We wish you every success and hope that our journal will be able to publish the results of these operations. interviewer Halina Bulyka Coiled tubing times 64 1 (055) March 2016 1 (055) March 2016 65 Belorusneft is Ready To Solve the Most Complicated Tasks .. 1983 . 2005 . 2009 .. . 2011 . 2005 () . 2008 2011 () (). 2011 . . D. Zakruzhniy was born in 1983. He graduated from the Belarusian State University of Transport in 2005. His specialty was automation telemechanics and communications on the railway transport . D. Zakruzhniy completed the full course of the P.O. Sukhoi Gomel State Technical University in 2009 majoring in development and exploitation of oil and gas fields . In 2011 he graduated from the Belarusian Trade and Economics University of Consumer Cooperatives majoring in economics and business management . He started his career in 2005 as an Assistant Driller in the Enhanced Oil Recovery and Well Workover (EOR &WW) Department at RUP PO Belorusneft. Between 2008 and 2011 he worked as an Engineer in the Well Repair Accident Prevention and Elimination Technologies Team (EOR && WW Department) and as a Process Engineer in the Process Division of the same department. Starting from 2011 D. Zakruzhniy has worked in the Well Construction and Repair Division of Downhole Technologies and Service Department of RUP PO Belorsuneft. He is currently holding a position of Lead Engineer. .. . 16- - .. . D. Zakruzhniy Lead Engineer Well Construction and Repair Division of Downhole Technologies and Service Department of RUP PO Belorsuneft is answering the questions of Coiled Tubing Times. D. Zakruzhniy made a report entitled as Multistage Hydraulic Fracturing Experience at the Oilfields of RUP PO Belorusneft and was noted as one of the best speakers at the 16th International Scientific and Practical Coiled Tubing Technologies Hydraulic Fracturing and Well Intervention Conference. Coiled tubing times denis anatolyevich what hydraulic fracturing technologies are currently used by rUP Po Belorusneft 66 1 (055) March 2016 2007 . 350 150 . . - - - - ( ) - - ( J-Frac) - - - ( ) - . .. 2014 . . . - . . denis Zakruzhniy RUP PO Belorusneft has been implementing hydraulic fracturing technologies since 2007. To date we have completed more that 350 hydraulic and acid fracturing operation in the Republic of Belarus and more that 150 fracs abroad. We own state-of-the-art hydraulic fracturing equipment and have experienced and competent staff. Track record of our hydraulic fracturing managers and designers exceeds seven (7) years. Applied technologies include - Hydraulic and acid fracturing in terrigenous and carbonate reservoirs - Acid fracturing with preliminary water shutoff - Acid fracturing with the application of acid-oil emulsions - Acid fracturing with the application of gelled acids (and self-diverting acid compositions) - Hydraulic fracturing with the use of linear of almost linear gel - Hydraulic fracturing with the preliminary injection of proppant-sand mix intended for artificial locks creation (J-Frac technology) - Proppant acid fracturing - Large-volume acid fracturing - Two-stage hydraulic fracturing (for azimuth fracture reorientation) - Multi-stage hydraulic fracturing. Ctt When did the Company start to apply multi-stage hydraulic fracturing technologies Why have you started its application d.Z. Belorusneft started to apply hydraulic fracturing technologies in 2014. One of the main our tasks today is the involvement of hard-to-recover oil reserves into development. Such reserves are situated in low-permeability carbonate reservoirs as well as in carbonate and terrigenous halfreservoirs . The development of such reservoirs has been impossible up to the present moment due to the lack of effective technologies allowing for economically feasible oil production. It is multi-stage hydraulic fracturing that carved out this niche. Also it should be noted that besides finding a solution to the geological challenges we simultaneously were solving technical and technological tasks. We have acquired invaluable experience during fracturing operations and have studied all the operations details ranging from horizontal section drilling to the process of multi-stage fracturing design and execution. The above experience allowed us to open new competitive direction in the field of hydraulic fracturing services and to position our company on the service market as a company that is always ready to solve the most complicated tasks set by the customer. Ctt How many multi-stage fracturing operation has your company performed so far d.Z. In 2014 2015 we successfully performed multistage fracturing operations at five oilfields including well 58 of Severo-Domanovichskoe oilfield (TAML level IV multi-lateral well multi-stage fracturing in two laterals was performed) wells 310 204 and 292 1 (055) March 2016 67 PRACTICE . .. 2014 2015 58 ( IV L 2- ) 310 204 61 292 . .. ( ). . 105 ( ) 5 FracproPT -110 100 . .. . - () - () - () - ( ) ( ) () - (). of Rechitskoe oilfield as well as well 61 of SeveroDomanovichskoe oilfield. Ctt What multi-stage hydraulic fracturing equipment is owned by your company d.Z. To perform multi-stage fracturing we have used the equipment of several major foreign manufacturers (we don t have a right to disclose their names). We have studied features and drawbacks of the above-mentioned fracturing equipment. This knowledge will give us the ability to choose the multi-stage fracturing equipment wisely. Our customers who order hydraulic fracturing services can reckon on the following assets two stateof-the-art hydraulic fracturing fleets two field labs with the extended operations support high-pressure pumps (up to 15 300 psi) redundant chemical agents systems redundant flow-measuring systems (turbine and electromagnetic) the fleet of horizontal and vertical vacuum tanks and sand bins the system for online remote monitoring frac sand trucks hydration unit chemical dosing system fluid heating system (5 MW) patented gelled compositions for the widest range of formation temperatures FracproPT software P-110 grade tubing strings packer and anchor equipment suitable for hydraulic fracturing operations with pressure differentials up to 14 500 psi. Ctt in what regions (except from Belarus) does your company render and or plan to render multi-stage fracturing services d.Z. One of the features of our company is that we are ready to offer full spectrum of well construction services to the customer ranging from well design to well completion stages including multi-stage fracturing as well. In the recent years we have rendered hydraulic fracturing services in Russia and Ukraine for the following companies Lukoil-KMN LLC (Kaliningrad) RN-Stavropolneftegaz LLC (Stavropol) RNKrasnodarneftegas (Krasnodar) Lukoil-Komi LLC (The Republic of Komi) RITEK OJSC (Samara and Volgograd) Grozneftegas OJSC (Grozny) and KUB-Gas LLC (Ukraine). The Intervention Technology Award in the category Best company in the sphere of hydraulic fracturing operations in Russia and CIS countries presented to RUP PO Belorusneft by the Russian Chapter of the Intervention and Coiled Tubing Association (ICoTA) in 2015 is the evidence of complete satisfaction of our customers with the quality of our operations. We are currently taking part in a number of hydraulic fracturing services tenders and are setting work scope targets for 2016. Ctt Could you please provide some details about the unique operation in well 58 of Severodomanovichskoe oilfield. d.Z. The main feature of this well was that we introduced the technology of multi-lateral drilling there. The constructed well was TAML Level IV (two cased horizontal wellbores with multi-stage fracturing 68 1 (055) March 2016 (ICoTA) 2015 . . 58 - . .. IV L ( ). . - . .. . 4 5- 114 3 . - . 30 (89-76) . 61 20 . 310 204 292 8 ( ). .. 1 58 Figure 1 Well 58 of SeveroDomanovichskoe oilfield assemblies installed in each of them). The well has been brought into production. Both wellbores are currently producing pure oil the volume of which is three times higher than the oil production volumes in the offset wells constructed with the application of conventional technologies. Ctt Could you please familiarize our readers with the completion designs of wells at rechitskoe and Severo-domanovichskoe oilfields. d.Z. Placement and completion designs of horizontal wells with subsequent multi-stage fracturing are standard. We used 4.5-in. multi-stage fracturing assemblies with a total of 4 5 ball-activated ports sleeves. 2 58r - Figure 2 Design of multi-stage fracturing assembly placed in the well 58 of SeveroDomanovichskoe oilfield We performed fracturing on each port sleeve both on-the-fly (with no stops) and with local stops that were associated with poor knowledge of formations geological parameters. After that we performed milling of ports and saddles of multi-stage frac sleeves. Milling operations were executed in particular using MK- 1 (055) March 2016 69 PRACTICE 1. 60 80 2. 60 80 3. 89-76 . 89-76 ( ) . (. 5). .. 1. 58 . 2. 58 - . 3. 3- 204 . 4. 3 58 - 2- 3- Figure 3 Hydraulic fracturing scheme at well 58 of Severo-Domanovichskoe oilfield (ports 2 and 3) 30T coiled tubing unit equipped with SNB89-76M directional drilling system. Then the well was put into production. 4 Figure 4 Application experience of balls and multi-stage frac sleeves milling technology The pure oil production volume at well 61 of SeveroDomanovichskoe oilfield is currently around 20 tons day. This is two times higher than oil production rates at offset wells constructed using conventional technology. Wells 310 204 and 292 of 89-76 ( Rechitskoe oilfield now produce 8 tons of ) unconventional oil per day (such deposits have been developed for the first time in Belarus). - . Used modules of SNB89-76M (disconnector and load measuring module) allowed to perform multi-stage frac sleeves milling operations with online monitoring of bottomhole pressure and milling process parameters. Ctt What is the key point of your experience in balls and frac sleeves milling technology application d.Z. During the process of balls sleeves milling we used three different approaches 1. Milling using A60 80 hoisting gear assembly equipped with a front concave mill downhole drilling motor and drill pipes 70 1 (055) March 2016 2. Rotary milling using A60 80 hoisting gear assembly equipped with a front concave mill and drill pipes 3. Milling using SNB89-76M complex of downhole and surface equipment intended for underbalanced coiled tubing drilling. Used modules of SNB8976M (disconnector and load measuring module) allowed to perform multi-stage frac sleeves milling operations with online monitoring of bottomhole pressure and milling process parameters. I suggest the readers to familiarize themselves with the comparison table of milling approaches selection (fig. 5). Ctt What problems have you encountered during multi-stage fracturing operations What solutions have you found d.Z. When implementing multi-stage fracturing technology at the oilfields of Belarus the following problems have been solved 1. Stinger leakage at well 58 of SeveroDomanovichskoe oilfield has been eliminated by means of stinger design modification (protection cover installation). 2. Deformation of tubing casing swages during multi-stage fracturing at well 58 of SeveroDomanovichskoe oilfield has been prevented by means of purchasing a stinger with the anchoring system to be used at subsequent wells. 3. Occurrence of STOP pressure conditions at port 3 of well 204 of Rechitskoe oilfield stipulated by the connection of fracture with the lower interval. We have examined the stress fields directions in the selected interval prior to the process of its fracturing. 4. Excessive filtration of fracturing fluid and occurrence of STOP pressure at well 310 of Rechitskoe oilfield due to the possible untight setting of casing packer between ports 3 and 4 (it caused the leakage of fracturing fluid via the annulus into the previously created high-permeability zone near port 3) or due to the connection of fracture under creation near port 4 with the existing fracture near port 3. The latter resulted in fracturing fluid leakage via the previously created fracture into the remote formation zone. We have examined the stress fields directions in the selected interval prior to the process of its fracturing. 5. Manual ball dropping. We study the possibility of ball-dropping device purchase. Ctt What are your future plans regarding the application of multi-stage fracturing technology d.Z. Based on the construction results of well 58 of Severo-Domanovichskoe oilfield we are currently performing the construction of well 59 of SeveroDomanovichskoe oilfield. The well will have TAML Level IV structure and we plan to perform multi-stage fracturing in each of its laterals. We intend to construct five horizontal wells with multi-stage fracturing completion by the end of 2016. We also plan to introduce multi-stage fracturing assemblies with dissolvable balls as well as assemblies with the possibility of repeated opening-closing of ports sleeves during wells operation. 5 Figure 5 Estimation of balls and multistage frac sleeves milling technology selection 310 3 4 ( ) . . 5. . .. 58 59 IV TAML . 2016 . . 2014 iCota. 1 (055) March 2016 71 PRACTICE Ctt in 2014 Belorusneft was named the Best innovating company in russia and CiS countries by the russian Chapter of the intervention and Coiled tubing association. Since your company performs service operations in various regions is it a stretch .. 2015 to say that Belorusneft is the international oilfield service company do you objectively estimate your capabilities against the foreign companies d.Z. In 2015 Belorusneft was visited by the . representatives of major oil and gas companies of CIS countries. The purpose of their visit was to examine the technology of deep penetration filtration channels . creation. The complex of mentioned operations 11 was performed by the EOR and Well Workover . Department of Belorusneft under the patronage of BelNIPIneft institute. The above-mentioned technology has been already introduced at 11 wells of our oilfields. The potential customers remained pleased by the demonstration of preparation processes and execution of deep penetration filtration channels creation operations. They also expressed their . intentions to sign contracts with Belorusneft for the rendering of services connected with the mentioned ( technology in the nearest future. ) The specialists of EOR and Well Workover Department have also performed testing of a new cable injector of Russian manufacturer. This tool has . . . . RUP PO Belorusneft uses state-of-the-art coiled tubing . equipment manufactured by the domestic company and our partner FID Group. - been purchased for further extension of our services ( ) portfolio primarily in foreign countries. Testing has been performed together with the representatives of . company-manufacturer. We have obtained a positive result. We have signed an oilfield services contract with FracJetVolga LLC (Orenburg Russian Federation) for logging cable injection into coiled tubing string using the mentioned cable injector. .. Ctt What equipment is used by your company during coiled tubing fleet operation . d.Z. RUP PO Belorusneft uses state-of-the-art coiled tubing equipment manufactured by the domestic company and our partner FID Group. When entering the market of New Urengoy we have noticed that our . fleet was equipped identically to the fleets of our main competitors (Gazprom subsidiaries). Outside Belarus customers already know the spectrum of coiled tubing technologies mastered by our company equipment . that we use and of course the quality of our services. They know the experience background qualification . and commitment of our specialists as well. 72 1 (055) March 2016 1 (055) March 2016 73 - 25 - - . . - . .. - . - . 25- - - 74 1 (055) March 2016 - 25 We are training the younger generation Who are Willing to create and introduce new technologies chimeco-gang cJSc is 25 - . - . - .. ( () .. ) 16 1991 - . 1994 - .. . - . 25- . 100 - . Chimeco-GANG CJSC is one of the leaders in the industry of field chemistry which is renowned for its expertise both within and outside Russia. Chimeco-GANG CJSC enjoys the reputation of a competent and reliable supplier in the sphere of field chemistry with highly-qualified experts and a broad range of field chemistry products. Chimeco-GANG CJSC was established by the representatives of Gubkin State Academy of Oil and Gas (currently Gubkin Russian State University (National Research University) of Oil and Gas) and registered on 16 January 1991 as the research and innovation small company Chimeco . In 1994 it was reorganized into ChimecoGANG Closed Joint-Stock Company with Gubkin Russian State University of Oil and Gas becoming its shareholder. Chimeco-GANG CJSC is a company which ensures the complete cycle of works in oil field chemistry scientific research aimed at the creation of chemical agents their production the development of application technologies the introduction of the reagents created field testing of technologies analysis of their application consultations on using chemical agents and support services. Having worked for 25 years and having brought to life its best ideas the company has a deserved reputation in the market of field chemistry. Today Chimeco-GANG CJSC has in its portfolio over 100 products every year it performs a number of projects connected with oil recovery improvement remedial cementing production stimulation works and increase in well injection capacity. 1 (055) March 2016 75 JUBILEE . .. . . . () .. - - . - 16 2016 25- . 16 1991 1994 - .. . . ( .) (1991 1995 ) (2000 ) .. (1993 2000 ). 2000 (2002 ). .. ( .. .. ..) ( ) (2006 ) Acid fracturing with water zone isolation in Belarus 76 1 (055) March 2016 The Coiled Tubing Times Journal is having its questions answered by L.A. Magadova Doctor of Engineering Science Professor of chemical technology for oil and gas industry at Gubkin Russian State University of Oil and Gas Director of Research and Education Centre of Field Chemistry Technical Director of Chimeco-GANG CJSC. Coiled tubing times lyubov abdulayevna on 16 January 2016 Chimeco-GaNG CJSC celebrated its 25-th anniversary. What do you think are the most remarkable milestones in its history lyubov Magadova The most memorable for me are the following events The establishment on 16 January 1991 of the research and innovation small company Chimeco which in 1994 was reorganized into ChimecoGANG CJSC with Gubkin Russian State University of Oil and Gas becoming its shareholder. Mikhail Aleksandrovich Silin has been the General Director of the company since the very beginning. The development and introduction of the first oil field chemicals under Neftenol trademark (Neftenol NZ Neftenol VVD etc.) (1991-1995) The acquisition of factory premises and incorporation of Petrohim CJSC in the city of Belgorod (2000) with S.A. Malyutin appointed as its General Director The development of the Russian gel-like liquids for hydraulic fracturing and the introduction of new compounds and technologies at the fields of Western Siberia and the Romashkinskoye field in Tatarstan the Republic of Kazakhstan (1993 2000). The Russian Federation Government Award in science and technology for this innovation in 2000 Opening a production engineering office for the commercial introduction of the newly-developed technologies and marketing maintenance services (2002). The production engineering office expanded due to the efforts of the young scientists who graduated from Gubkin Russian State University of Oil and Gas (D.Yu. Yeliseev A.V. Zavorotny M.V. Pobortsev) and who are currently implementing the new technologies of ChimecoGANG CJSC The development of a line of chemical reagents and technologies for oil and gas production (stimulation oil recovery improvement remedial cementing well killing reagents for the production treatment and transportation of hydrocarbons ) (2006) Death of Rashid Saipuyevich Magadov one of the founders of Chimeco-GANG CJSC its Technical Director and inventive mind (2 November 2006) The incorporation of service companies (Small innovation enterprises of Gubkin University) Small Innovation Enterprise State Institution Chimeco-Service CJSC (2010) general Director V.A. Lebedev and Small Innovation Enterprise State . Gubanov V. conducting filtration experiment . Dyachenko V. investigating surfactants interfacial tension Proppant investigation laboratory 1 (055) March 2016 77 JUBILEE (2 2006 ) ( ) (2010 ) .. (2014 ) .. . - .. SiXell - - .. ASP- . 2002 38 1700 2 5 . - . .. .. . Kozlov A. performing injection of EOR compositions . - - Tsygankov V. Deputy Technical Director Chimeco-GANG CJSC performing treatment Lukoil-Perm 78 1 (055) March 2016 . - .. . - . .. - - - - - 4 -118 --2 . .. - .. . .. - () Institution Petrochim-Service CJSC (2014) general Director A.V. Luzhetsky which made it possible to expand the market of compounds and support the development of new reagents and technologies for the customers among oil producers. Ctt What scientific and technological achievements of Chimeko-GaNG CJSC would you single out What projects do you see as your key victories l.M. Our key victories Projects connected with well stimulation hydraulic fracturing and acid treatment Projects connected with oil recovery improvement the development and introduction of technologies for oil recovery improvement with the application of SiXell compounds designed for low-permeability reservoirs polymer-polymer treatment integrated technologies for oil recovery improvement the experts from Chimeco-GANG CJSC and Gubkin Russian State University of Oil and Gas has developed surfactants for ASP water-flooding influx based on domestic petrochemical products. Since 2002 we have signed 38 contracts worked with over 1 700 injection wells and had more than 2.5 million tons of oil production added Projects connected with remedial cementing technologies using water-based anhydrous and emulsion cement slurry with micro cement Technologies using polysaccharide well-killing fluids (PSZhG) emulsion well-killing fluids (IER) and Solid Foam fluids for killing wells including wells with abnormal low reservoir pressure. Ctt Chimeco-GaNG is a bright illustration of symbiosis between science and industry. What is your formula for success l.M. It was made possible because the company is working in conformity with Gubkin Russian State University of Oil and Gas and almost all our experts are the members of the University team we never stop training the younger generation who are wiling to create and introduce new technologies. Ctt What are the areas of the domestic field chemistry where Chimeko-GaNG has proved to be the leader l.M. Reagents and technologies for oil and gas production stimulation. Ctt What product lines are offered by Chimeko-GaNG CJSC for oil and gas service companies whose focus is on the technologies which are covered by the Coiled tubing times Journal l.M. We offer the following products for the oil and gas service companies which apply the technologies promoted by your journal 1 (055) March 2016 79 JUBILEE - .. . The products of Chimeco-GANG CJSC reveal a significant scientific presence they are created and examined at the modern laboratories of Gubkin Russian State University of Oil and Gas by its highly-qualified experts including Doctors and Masters of sciences and postgraduate students . . .. . - . .. . Water-based reagent complexes Chimeco-B for hydraulic fracturing Water-based reagent line for hydraulic fracturing under trademark RGU NG Oil-based reagent complexes Chimeco-H and Chimeco-T for hydraulic fracturing Stimulation fluids for acid treatment with the application of coiled tubing Surfactant and acids composite with dry acid SK-TK 4 Neftenol K and corrosion inhibitor IKU-118 stimulation fluid Chimeco-Classic stimulation fluid for hightemperature terrigenous and mixed reservoirs Chimeco-TK-2KM just to name a few. Ctt What are the basic competitive advantages of the company s products What about the marketing strategy for chemical agents l.M. The products of Chimeco-GANG CJSC reveal a significant scientific presence they are created and examined at the modern laboratories of Gubkin Russian State University of Oil and Gas by its highlyqualified experts including Doctors and Masters of sciences and post-graduate students . The marketing strategy for chemical agents is as follows development of new compounds and their application technologies adjustment of such technologies for specific fields and formations by the experts of Gubkin Russian State University of Oil and Gas or at the industry research centres field trials providing support for field works upon field trials. Ctt How did the company change its strategies in view of the decrease in oil price and sectoral sanctions l.M. When developing our technologies we use cheaper compounds based on domestic raw materials and components. Ctt Chimeco-GaNG CJSC was considered a vivid example of successful import substitution long before this term became the issue of the day. What do you think is required for efficient import substitution l.M. A desire to earn by relying on your own knowledge and the opportunities open in your country. Ctt What would you wish to your colleagues from Chimeco-GaNG CJSC in connection with its 25th anniversary l.M. I wish everybody good health happiness creative spirit and professional achievements . Efficient import substitution requires a desire to earn by relying on your own knowledge and the opportunities open in your country. - . .. - 80 1 (055) March 2016 .. 1953 . 1975 .. - (). ( ). 20 () . . . 1999 2006 - . 1999 .. 2001 .. - 2009 . (2000 ). 2007 - . 250 65 . . .. . ( .) ( ). L.A. Magadova was born in 1953. In 1975 she graduated from Gubkin Moscow Institute of Petrochemical and Gas Industry with a degree in basic organic and petrochemical synthesis and was employed by the Research and Development Institute of Organic Colouring Agents and Intermediate Products (NIOPiK). For several years she was the Senior Engineer at Dolgoprudnensk Chemical Plant of Fine Organic Synthesis (DHZ TOS). She worked for twenty years at the All-Union Oil and Gas Institute (VNIIneft) and then at the Russian Interbranch Scientific and Technical Complex Oil Recovery . She started as a junior research assistant in the laboratory of well completion to become later the head of physical and chemical studies. She got her PhD degree presenting a thesis On improving the technology of hydraulic fracturing by formulating temperature-stable gel-forming fracturing fluids for low-permeability terrigenous reservoirs in Western Siberia under the category Development and operation of oil and gas fields . In 1999 she became the deputy Technical Director of Chimeko-GANG CJSC and in 2006 she was appointed the company s Technical Director. Since 1999 Lyubov Abdulayevna has been working at Gubkin Russian State University of Oil and Gas since 2001 she has been the deputy Director of the Institute of Field Chemistry under Gubkin Russian State University of Oil and Gas she is currently the Director of the Research and Education Centre of Field Chemistry and since 2009 she has been the Professor of chemical technology for oil and gas industry. L.A. Magadova holds The Russian Federation Government Award in science and technology (2000). In 2007 she became the Doctor of Sciences upon presenting a thesis The development of water-based and oil-based fracturing fluids and their application technologies for improving the process of hydraulic fracturing under the category Colloid chemistry and physical and chemical mechanics . L.A. Magadova is the author of over 250 research papers and 65 invention patents. Her research interests comprise field chemistry reagents and technologies for oil well stimulation oil recovery improvement well killing well workover and oil treatment. L.A. Magadova has taken part in the development and introduction of a number of reagents for the technologies of oil recovery improvement and well stimulation. The reagents created include oil-based and water-based fracturing fluids acid compounds for the treatment of terrigenous and carbonate reservoirs waterproofing sealants well-killing fluids for well workover such reagents being used by a variety of oil and gas producers in Russia (Western Siberia Tatarstan Komi Orenburg Region Stavropol Territory Krasnodar Territory etc.) and other republics of the CIS (Kazakhstan Belarus Ukraine Turkmenistan). 1 (055) March 2016 81 JUBILEE 82 1 (055) March 2016 1 (055) March 2016 83 .. . . 25 30% . 8 . 1952 . 1959 . 1970- 1980- 1 . 1980-. . . . . . . . . . . . .. .. .. .. 2 3 84 1 (055) March 2016 4 5 6 7 8 9 10 11 1 (055) March 2016 85 12 13 14 15 16 17 18 19 86 1 (055) March 2016 20 21 22 23 24 25 26 27 1 (055) March 2016 87 28 29 30 31 32 33 34 35 88 1 (055) March 2016 36 37 38 39 40 41 42 43 1 (055) March 2016 89 44 45 46 47 48 49 50 51 90 1 (055) March 2016 52 53 54 55 56 57 58 59 1 (055) March 2016 91 60 61 62 63 64 65 66 67 92 1 (055) March 2016 68 69 70 71 72 73 ( ) ( 56). 100%- . . . KTIB- WWW.KTIBHolding.com .. .. .. 1 (055) March 2016 93 . . . . . . . . . 5 15 3 ( ) . . .. . . . . - 5 15 3 ( ) . 94 1 (055) March 2016 1 (055) March 2016 95 ( ) 15%. . - . 5%. 2015 . 276 3000 25 4 44 5 . . 2013 . 250 2002 2000 30 807. . - (). . 2015 276 3000 25 4 44 5 . . 79% 6% - - - - . . 96 1 (055) March 2016 1998 2002 . . 2003 . 2016 . 2017 . 3000 3000 . 500 . . . . 50 . 33 5 38 1 . . . 10%. . . 1 (055) March 2016 97 . . . ASTMA606 4 S420MC. A606 4 . . . A606 4 ARCELORMITTAL. . . . 98 1 (055) March 2016 . . . ( ) () ( 60 3 . ) . . . - . . . . . . 60 3 6000 . . . 60 3 -9001 2001 . . 14001. . 4 5 . . . - . .. 1 (055) March 2016 99 1. ( - ). 2. 3. (-) 4. 5. (-) 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. (5 10 ) THE FOllOWING qUESTIONS WERE ASKED 1. Business profile of your Company (oil and gas producing oil and gas servicing equipment manufacturing company research and development company university institute). 2. About which oil and gas service technologies would you like to read in Coiled Tubing Times Journal 3. In which region(s) does your Company operate 4. Which up-to-date oilfield service technologies are used in your Company 5. Does your Company use coiled tubing technologies If the answer is yes then which coiled tubing technologies are in demand within the area of your Company s activity 6. Coiled tubing units of which manufacturers does your Company utilizes 7. Were there any unique operations that you and your colleagues managed to perform 8. Does your Company use hydraulic fracturing technology If the answer is yes which hydraulic fracturing types are effective in your region 9. Hydraulic fracturing equipment of which manufacturers does your Company utilize 10. In your opinion which EOR technologies are of vital importance today 11. Are there any changes in the operating tactics of your Company stipulated by the sectoral sanctions and low oil prices 12. Which segments of the Russian oil and gas service may face the most serious problems due to the sectoral sanctions imposed by Western governments 13. How do oil and gas service companies change their approaches of purchasing expensive equipment under current conditions 14. How successful and promising can the import substitution policy be in the high-tech oil and gas service industry 15. Which high-tech oilfield service technologies will be in demand in the near term (5 10 years) 100 1 (055) March 2016 COIlED TUBING TIMES qUESTIONNAIRE COIlED TUBING TIMES qUESTIONNAIRE 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. . . .. . . . . 43 . . . . . . . . alexander andrushchik Fishing operator Packer Service llC 1. 2. 3. Oil and gas service. About hydraulic fracturing with coiled tubing and inflatable packers application. Khanty-Mansiysk and Yamal-Nenets Autonomous Districts The Republic of Bashkortostan Krasnodar Krai Samara Region etc. Hydraulic fracturing coiled tubing and jet perforation. Yes. Milling of fracturing sleeves and hydraulic jet perforation. NOV FIDMASH. Performing of hydraulic jet perforation with the help of small-diameter (1.7-in.) perforator. Yes. Multi-stage hydraulic fracturing. Acid treatments of bottomhole formation zone and multi-stage hydraulic fracturing. Now it s impossible for us to purchase foreign equipment and spare parts. We are now developing more cost-effective and viable approaches. My forecast is optimistic. I hope that Russian companies will be able to handle the assigned tasks. Hydraulic fracturing with CT application. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 15. - 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. . . . . . . . . . . . . Maksim Fadeev deputy Head of technology operations Production Unit tagraS-remService llC 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. Oil and gas service company that focus on hydraulic fracturing operations. About multi-stage hydraulic fracturing. The Republic of Tatarstan and Samara Region. Hydraulic fracturing plus hydraulic jet perforation. Hydraulic fracturing plus hydraulic jet perforation. Yes. Various types of hydraulic fracturing operations. NOV FIDMASH. Hydraulic fracturing. We have cut the purchases of foreign equipment. It is successful but requires the development of nongovernmental organizations in Russian Federation. Hydraulic fracturing. 1. 2. 3. . . . anna Spector Business development Manager oil and gas Sector Praxair rus 1. 2. 3. 4. The company that manufactures industrial gases. About technologies that require industrial gases application. Russian Federation South Central Region and Ural. Hydraulic fracturing technology with the 1 (055) March 2016 101 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. . . 2 . . application of nitrogen carbon dioxide and carbon dioxide in the absence of water. No. Our colleagues from the United States perform hydraulic fracturing with carbon dioxide in the absence of water and get very effective results. Hydraulic fracturing with the application of nitrogen and carbon dioxide. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. - 1. 2. 3. 4. 5. . . . . . .. . . . . . Yaroslav Egorov deputy Head of Process department tagraS-remService llC 1. 2. 3. 4. 5. Oil and gas service. About hydraulic jet perforation. The Republic of Tatarstan Orenburg Region and Samara Region. Hydraulic fracturing plus hydraulic jet perforation. Yes. Milling of liner filter end caps in bituminous oil wells bottomhole zone treatments after CT well logging etc. NOV FIDMASH. NOV FIDMASH. Hydraulic fracturing plus hydraulic jet perforation. We have cut the purchases of foreign equipment. CT drilling. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 1. 2. 3. - . . . 4. . 5. . 6. . 7. . 8. . 9. . 10. . 11. alexander Struchar deputy director technology ZErS llC 1. Research and development center that specializes in oilfield service. 2. About CT operations and multi-stage hydraulic fracturing. 3. Western Siberia the Republic of Komi as well as Orenburg Samara and Ulyanovsk Regions. 4. Multi-stage fracturing and intelligent completion. 5. Not yet. 6. We don t use CT technologies. 7. Two-stage cementing of liners and liner hangers with rotation. 8. We don t use them ourselves. 9. We have our own equipment. 10. Hydraulic fracturing with the application of retrievable or dissolvable saddles CT fracturing unlimited ports stages fracturing. 11. The companies that manufacture equipment have 102 1 (055) March 2016 COIlED TUBING TIMES qUESTIONNAIRE COIlED TUBING TIMES qUESTIONNAIRE . . . . . increased their production capacities. 12. Offshore fields and deposits with a high hydrogen sulphide content. 13. In my opinion the approaches haven t changed. 14. I think that eventually it will be successful. 15. Multi-stage hydraulic fracturing. lucia davletshina associate Professor the i.M. Gubkin russian State University of oil and Gas 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. Scientific and research structure university. About coiled tubing technologies and hydraulic fracturing. Central and Volga-Vyatka Regions Western Siberia etc. EOR technologies flow stimulation and cement squeeze operations. Yes. CT acid treatments. ASP-flooding. The volumes of research developments are decreasing. All of them. Hydraulic fracturing. 12. 13. 14. 15. . .. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. - . . - .. . . . ASP-. . . . 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. . . . . . . . . . . . Pavel laktionov deputy director Fid Group 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. Equipment manufacturing company. About EOR technologies and drilling of wells with an inclined wellhead. The Republic of Belarus and Russian Federation. NOV FIDMASH. NOV FIDMASH. Injection of water diverting agents. We have activated and intensified our operations. Offshore segment. The financing of purchases has been reduced. There is a need to move beyond words to deeds. Hydraulic fracturing CT and EOR technologies and CT drilling. 1. 2. . ( ). Boris Kuzichev Wi technical Sales Engineer rVU Schlumberger 1. 2. Oil and gas service. About coiled tubing (news technologies tools fluids new equipment including that of foreign manufacturers e.g. Chinese). Volga-Ural Region (my location). Schlumberger 3. 1 (055) March 2016 103 3. - ( ). . . . - . . . . . ForesRCP HiWAY. . is operating in almost all oil and gas producing regions of the globe. All types of state-of-the-art CT technologies. Yes. In Volga-Ural Region modern CT matrix acidizing and improved well cleanout technologies are in demand. NOV FIDMASH. There have been no unique operations in the Region so far. If we take the Company in general there were hundreds of them. Yes. Conventional fracturing with the application of ForesRCP proppant slugs or HiWAY cylinder proppant. We use fracturing equipment of various manufacturers. 4. 5. 4. 5. 6. 7. 6. 7. 8. 8. 9. 10. 11. 12. 13. 14. 15. 9. 10. 11. 12. 13. 14. 15. 1. 2. 3. 4. 5. . . . . . . . ( ) . . . . . .. . . 90% . . anton Kisenko lead Production and technical department Engineer Packer-Service llC 1. 2. Oil and gas service. About hydraulic fracturing plus jet perforation operations performed with the help of coiled tubing unit. Khanty-Mansiysk and Yamal-Nenets Autonomous Districts the Republic of Bashkortostan Krasnodar Krai and Samara Region. Hydraulic fracturing coiled tubing jet perforation and well logging operations. Yes. Bottomhole cleaning and well stimulation operations well logging hydraulic jet perforation and milling of multi-stage packer sleeves. NOV FIDMASH. Well logging operations performed without tractors formation (reservoir) treatments with aerated acid. We have performed hydraulic fracturing operations numerous times. Most of them in KhantyMansiysk and Yamal-Nenets Autonomous Districts. Bottomhole formation zone treatments. Russian oilfield service companies have become more competitive. We provide services on the same basis as Schlumberger EWS etc. Supplies of spare parts for all foreign equipment. We segue to import substitution. It is successful for 90% of the Russian market. CT fracturing hydraulic fracturing plus jet perforation. 3. 4. 5. 6. 7. 6. 7. 8. 8. 9. 10. 11. 9. 10. 11. 12. 13. 14. 15. 12. 13. 14. 15. . cttimes cttimes.org halina.bulyka cttimes.org Dear readers Your feedback will help Coiled Tubing Times Journal to be more useful and interesting for you. Please kindly fill in the questionnaire cut it out scan and send either to cttimes cttimes.org or halina.bulyka cttimes.org 104 1 (055) March 2016 1. ... ________________________________________________________________ 2. ________________________________________________ 3. ____________________________________________________________ 4. ( - ) ( ) _________________________________________ ______________________________________________________________________ 5. __________________________________________ ______________________________________________________________________ ______________________________________________________________________ 6. (-) ____________________________________ _____________________________________________________________________________________________ 7. ________________________________________________ ______________________________________________________________________ 8. 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(5 10 ) ______________________________________________________________________ ______________________________________________________________________ 19. www.cttimes.org _____________________________________________________ ______________________________________________________________________ ______________________________________________________________________ 20. _____________________________________ ______________________________________________________________________ 106 1 (055) March 2016 Weatherford 16- () - (). - 11 . 1424 2392 . 80 90 . 16- . ReelFracTM Weatherford . - . J-slot . . . . . . RITEK and Weatherford International plc have successfully fractured a 16-stage well using coiled tubing for the first time in Russia. The operation which took place in the at V. Vinogradov field in the Khanty-Mansi autonomous district was completed in a single trip that lasted 11 days. The companies sought to hydraulically fracture a 1 424-m section of a well at a total vertical depth of 2 392 m. Each frac port was approximately 80 to 90 meters apart. The 16-stage hydraulic fracturing operation involved innovative technologies that helped to reduce well construction and completion time. A compression-set coiled-tubing-conveyed Weatherford ReelFracTM packer was used as well as mechanically controlled multistage frac sleeves. This equipment enables an unlimited number of stages to be stimulated from the bottom upwards in a single trip. After fracturing the first zone the packer is released using an auto J-slot mechanism and the bottomhole assembly is moved to the next frac port which is then opened. The packer is actuated below the newly opened port to isolate previously treated intervals. Among the advantages of this technology is the use of mechanically controlled sleeves which enables isolation of specific ports without plugging materials. These ports can be reopened later. The equipment also enables other operations to be performed in selected zones including refracturing. The technology also eliminates restrictions to the outer diameter of logging tools which facilitates well surveys and increases their informative value. Baker Hughes Baker Hughes SPECTRETM . () . SPECTRE Baker Hughes Introduces Industry s First Completely Disintegrating Frac Plug Baker Hughes announced the commercial release of its SPECTRETM frac plug the first in the industry to completely disintegrate downhole after fracturing. The plug eliminates coiled tubing (CT) interventions accelerates completion times and leaves behind an unobstructed production inside diameter (ID) for maximum flow area and easy future access. The SPECTRE plug was made possible only through the application of nanotechnology and the marriage of seemingly incompatible properties high strength and 1 (055) March 2016 107 NEWS Equipment and Services Weatherford 16- - RITEK and Weatherford Performed the First in Russia 16-Stage Hydraulic Fracturing in a Single Trip NEWS Equipment and Services - Baker Hughes. . SPECTRE . SPECTRE . . SPECTRE . Baker Hughes. IN-TallicTM Baker Hughes . e . . SPECTRE . SPECTRE Baker Hughes . rapid degradability said Jim Sessions Vice President of Technology Completions and Wellbore Intervention at Baker Hughes. This distinctive combination delivers plug-andperf efficiency and flexibility that no other plug currently provides. As with a traditional frac plug the SPECTRE plug enables flexible stage placement. But unlike traditional plugs and even other disappearing downhole plugs however the entire SPECTRE plug including the plug body anchoring grip and packing element disintegrates fully at predictable rates when exposed to wellbore fluids. Complete disintegration ensures that no plug debris are left downhole thereby protecting the well infrastructure from undissolved components which can compromise wellbore integrity restrict access and complicate operations such as future well rejuvenations. The SPECTRE plug s innovative design leverages a high-strength controlled electrolytic metallic (CEM) nanoconstructed material developed by Baker Hughes. Much of the plug body is formed from the same CEM material used in the company s IN-TallicTM disintegrating frac balls which inaugurated an era of higher efficiency for multistage hydraulic fracturing by eliminating the time cost and health safety and environmental risks associated with milling out frac balls. Development locations and plug setting depths are not constrained by the availability and or finite horizontal reach of CT allowing operators to access more feet of pay zone in more locations. The SPECTRE plug s virtually unlimited treatment depths also enable operators to achieve more reservoir contact per wellbore to reduce surface infrastructure and costs while creating a more environmentally responsible operating footprint. The SPECTRE disintegrating frac plug is the latest example of Baker Hughes strategy to improve well efficiency optimize production and increase ultimate recovery. . . New TATNEFT Technologies of the Enhanced Oil Recovery PJSC TATNEFT s TatNIPIneft experts developed EOR technology using integrated formation stimulation by means of the compositions based on microdispersed silica gels. The technology has been designed for the oil fields at the late stage of development having heterogeneous permeability reservoirs. The reservoir stimulation is carried out using the composition made up of two stepwise slugs. Firstly microdispersed silica gel is in- 108 1 (055) March 2016 . ( 5 ) . . 2483202 ( . .. ). . 2014 . 1 5 3 . . 2015 - . jected (silica gel particles size is less than 5 M). Silica gel microdispersion is derived from the sodium silicate water solutions and HCl providing the blocking of water saturated intervals at the reservoir depth zones. Then the composition is injected to enhance oil recovery at the less permeable oil saturated interlayers. The technology is covered by the Russian Federation patent No. 2483202 (the patent holder is PJSC TATNEFT n.a. V.D. Shashin). The advantages of this technology include usage of inexpensive and easily available domestic chemicals high efficiency opportunity to stimulate reservoir depth zones by the microdispersed compositions usage of the water with any level of mineralization ecological safety for the environment and for the human. PJSC TATNEFT has been introducing the technology in its oil fields on an industrial scale since 2014. The technical efficiency duration is equal to 1.5 3 years. The technology was awarded the competition Grand Prix of the Oil and Gas. Petrochemicals 2015 international specialized exhibition in the Enhanced Oil Recovery nomination. Ziebel Z-ROD Ziebel Z-Rod . Z-Rod 6500 . 15 . 1800 . . ConocoPhillips . - Ziebel. Ziebel celebrates milestone with 100th Z-ROD intervention Ziebel has completed its 100th Z-Rod distributed fiber optic sensing job. The Z-Rod system consists of a 6500 m carbon fiber composite rod with embedded fiber optic lines that make it possible to deploy both distributed temperature and distributed acoustic sensing along the complete wellbore. With a diameter of only 15 mm the rod is injected into the well from coil tubing-like surface equipment and can travel up to 1 800 m along the horizontal section of a well. Unlike traditional logging tools that can only survey a few inches of the well at a time sensing provides a complete wellbore profile that is captured several times per second. The 100th job was performed for ConocoPhillips in the United States to determine the flow profile of zones within a fracked unconventional well. As operators of unconventional wells strive to improve recovery factors and reduce well costs the data to enable this is becoming more critical said Francis Neill CEO of Ziebel. Ziebel s ability to 1 (055) March 2016 109 NEWS Equipment and Services NEWS Equipment and Services Ziebel . . Z-Rod . Z-Rod . . . . deliver this data across the reservoir is driving our increased activity levels. Our 100th job is a milestone that reflects the repeat work and value that our data provides. The Z-Rod s small diameter results in significantly reduced choking effects versus traditional coil tubing enabling the Z-Rod to determine which perforated zones along the length of the wellbore are actually contributing to production. This information allows unconventional field operators to optimize their completion strategies. The 100 jobs were carried out using both land and offshore units in Norway Denmark Oman Abu Dhabi and the United States. Applications ranged from the evaluation of flow in unconventional wells to well integrity diagnosis monitoring water injection schemes gas lift optimization and understanding inter-well communication and interference. 15- 15- (). . - . 4 2 760 . . 75 10% . . . 2015 Gazprom Neft Undertakes First Ever 15-stage Fracking Operation The Gazprom Neft Group s first high-volume 15-stage fracked horizontal well has been brought into production by Gazpromneft Khantos such high-level multistage fracking having been made possible through the use of non-ball-and-socket well completion and stimulation technology. Multi-stage fracking operations at the Yuzhno-Priobskoye field well were undertaken as part of the company s activities in the development of hard-to-recover oil reserves. Running to a total well depth of 4.2 kilometres horizontal drilling comprised 760 metres. The key feature of the configuration of the horizontal section of the well lies in its allowing well stimulation to continue throughout its entire operation removing any limitations on the number of fracking operations that can be undertaken. Once development is complete the well s operational potential is expected to reach at least 75 tonnes of oil per day exceeding comparable figures for lesser multi-stage fracking operations by at least 10 percent. The implementation of innovative technologies here not only makes possible greater well output but will in the longer term also lead to a greater proportion of hard-to-recover reserves being brought into development. Vadim Yakovlev First Deputy CEO Gazprom Neft commented The use of cutting-edge technologies is an absolute priority throughout the entire Gazprom Neft Group. In 2015 in particular we expect to see group-wide horizontal drilling volumes increasing by 12.5 percent to 334 wells with the number of hightechnology wells completed with multistage hydraulic fracking increasing by more than 40 percent this year to 238. Sergey Doktor CEO Gazpromneft-Khantos commented Gazpromneft-Khantos strategy is envisages 110 1 (055) March 2016 12 5% 334 40% 238 . ( ) . . 10 - . - . ( ). - . . increasing production including by bringing hard-torecover oil reserves into development reducing operating costs and promoting technological developments. Introducing innovative technologies throughout our facilities ensures the successful fulfilment of these objectives. The key feature of this new technology predominantly lies in isolating the frac ports (the points inside the well from which fracking is expected to be undertaken) from each other. Under more traditional ball-and-socket technology each new fracking zone is separated from the preceding one by a metal (or composite) ball. The diameter of these balls increases from zone to zone with the result that the way these wells are constructed makes more than 10 fracking operations impossible. Multistage fracking at the YuzhnoPriobskoye field did not involve using balls as isolators but rather a special instrument with a multiuse compacted cushion which expands to isolate those areas in which fracking has been completed. Once work has been completed this deflates to its normal size and can be transported to the next area of the well from which fracking is to take place in contrast to the more traditional balls which have to be destroyed once fracking is completed. In which circumstances the number of fracking operations is limited only by the extent of the well itself and by technical and economic considerations. In addition to which and again in contrast to more traditional technologies this method allows research to be undertaken from within the well as well as allowing repeated fracking and the quick commencement of production once all fracking operations have been completed. Weatherford Weatherford 1180 8170 . 2015 . 14 112 6 . 1180 . Weatherford LSS 1250 1250 . Weatherford LSS 1250 . . LSS 1250 Weatherford lands World s Heaviest Casing String Weatherford achieved a new world record by landing a 1 180-ton (2 360 700lb) casing string at a total depth of 26 805 ft (8 170 m). The job was performed on a deepwater rig in the Gulf of Mexico this fall. The operator of a deepwater rig in the Green Canyon required installation of a heavy 14-in. 112.6 lb ft casing string. The total weight of the casing and landing string needed to reach total depth was 1 180 tons. The operator contracted with Weatherford to install the landing-string slips 1250 ( LSS 1250 ) which acts as a spider to safely and efficiently grip tubulars and has a maximum load capacity of 1 250 tons (2 500 000 lb). Weatherford deployed the LSS 1250 after providing an engineering analysis to verify that the pipe could reach total depth without damaging the tubulars from excess stress. The team then ran the string to total depth with 1 (055) March 2016 111 NEWS Equipment and Services NEWS Equipment and Services 15 . - Weatherford. . no issues. Without the increased load capacity provided by the LSS 1250 the operator would have needed to drill a second hole section and run two separate casing strings at an approximate cost of 15 million. We constantly strive to provide technology that meets the needs of our clients under the most extreme conditions said Aaron Sinnott Vice President of Tubular Running Services at Weatherford. This is the latest example of how we are crossing the bounds of what was previously considered possible in the deepwater arena. (NIS) - ( - ) () Kikinda Istok Crna Bara jug Vojvoda Stepa . 150 180 . NIS . 3 5 190 . 5 . 70 100 . . . NIS . Gazprom Neft Undertakes a Series of Fracking Operations in a HighTemperature Horizon in Serbia NIS (Naftna Indusrija Srbije) a subsidiary company of Gazprom Neft supported by specialists at its research and development (R&D) centres (the Gazprom Neft Scientific and Research Centre and the NIS-Naftagaz Scientific and Research Centre) has undertaken a series of hydraulic fracturing (fracking) operations in high-temperature horizons at the Kikinda Istok Crna Bara jug and Vojvoda Stepa fields in northern Serbia. Fulfilment of these operations saw the company utilising a new special gel making possible hydraulic fracking of the deposit at temperatures of 150 to 180 . Using this unique technology will allow NIS to increase production by opening up reserves not currently in development. Hydrocarbon reserves in Serbia are distinguished by specific temperature characteristics at a depth of just 3.5 kilometres oil-bearing horizon can reach a heat of up to 190 . Such characteristics are more typical of ultra-deep strata found at depths of more than five kilometres. Strata temperatures at Gazprom Neft fields in Western Siberia do not exceed 70 100 so gels traditionally used for proppant injection will not demonstrate the necessary reliability and effectiveness under Serbian conditions. The special gel used on the high-temperature fields in Serbia has sufficient viscosity to retain heavy proppant particles during injection into the strata and can withstand reservoir conditions it can be applied under various fracking technologies including multi-stage fracking and is suitable for both oil and gas deposits. Vadim Yakovlev President of the NIS Board of Directors commented The application of hightechnology operations in field development opens up a new stage in NIS activities with the company increasing its efficiency in opening up mineral 112 1 (055) March 2016 NIS . resources and will ensure production growth bringing new reserves into development. Gazprom Neft s extensive experience in field development will allow international best practice to be used in Serbia making operations as safe and as effective as possible. - GeoEMS Energy Monitoring Systems . Rigzone. - . . GeoEMS . . . . GeoEMS. 100 . 200 . . 20 . . .. . . . Nuclear Explosion Technology Adapted for Oil Gas Seismicity Monitoring GeoEMS Energy Monitoring Systems has been providing operators with seismic monitoring technology that can monitor hydraulic fracturing and waste water injection writes Rigzone. The company s technology has been adapted for oil and gas monitoring from technology initially developed for the U.S. Department of Energy and the U.S. Air Force to monitor nuclear explosions. GeoEMS provides seismic field monitoring for oil and gas fields carbon dioxide sequestration geothermal fields volcano monitoring and for seismicity monitoring and slope stability for underground and open pit mines. The company s standalone system identifies and reports induced seismic activity back to an operator in near real time. The time to relay information back is typically less than three minutes using the system s onboard processing capabilities. Information is relayed through email or text alerts to an operator and a predetermined list of employees or relevant third parties. Nobody can predict earthquakes but the technology allows us to provide daily or monthly reports to operators so they can see what kind of seismic activity is taking place in the vicinity of their injection fluid facilities said Dr. Steven Taylor chief scientist with GeoEMS in an interview with Rigzone. Shutting in wells to address high-volume injection can cost a company 100 000 to 200 000. What we try and do is provide large and small operators with an inexpensive means of complying with government regulations. Taylor a seismologist who retired after a career working at the U.S. national laboratories Lawrence Livermore and Los Alamos and his partners used a Small Business Innovation Research Program to develop their business. SBIR enabled them to build the system for government purposes but also encouraged them to go out and market the product and create jobs. To qualify for an SBIR numerous commercialization forms must be filled out indicating the commercial applications of a product. In the United States there are very few documented earthquakes from hydraulic fracturing itself and these are typically small. However the story is different in Canada where the fact that hydraulic fracturing is causing many of the felt-earthquakes is well-documented. One of the company s deployments has bene for a coal-methane field and the company expects to start monitoring soon at a CO2 sequestration site. 1 (055) March 2016 113 NEWS Equipment and Services NEWS Equipment and Services FEI PerGeos FEI PerGeosTM . PerGeos . . PerGeos . . FEI. PerGeos . - . PerGeos . . . PerGeos FEI FEI launches PerGeos Software for Oil and Gas Exploration and Production FEI announced the release of PerGeosTM the industry s first comprehensive digital rock software that helps geoscientists rapidly interpret and model digital rock imagery so that exploration & production (E&P) engineers can obtain meaningful actionable data quickly and easily. PerGeos provides a better understanding of formation features and physical property of reservoir rock. Multi-scale microscopic imagery and advanced digital rock modeling provides the only direct measurement for analyzing critical structural characteristics and physical properties such as grain size pore space and connectivity. Using PerGeos core analysts geologists and petrophysicists can integrate data from multiple sources and share descriptions and statistics using a common platform. It features automated workflows high-powered image processing algorithms and a user-friendly interface. Oil companies work with and analyze a bewildering array of image data types and formats when trying to understand the physical characteristics of reservoir rock how those characteristics relate to the potential value of a reservoir and relate those observations to the production techniques required to optimize that value said Mark Bashforth general manager of FEI s Oil and Gas business. This information can now be managed digitally through PerGeos via a collaborative workspace to create and share a common rock model much faster than using traditional core analysis methods. Bashforth adds This is very important for reservoir engineers awaiting these critical inputs such as capillary pressure porosity and permeability for their geomodels knowledge of these properties helps asset managers visualize and understand the ultimate potential recovery of a reservoir thereby improving their estimates of reserves and overall production-related CapEx investments. The initial PerGeos release consists of three modules petrophysics pore statistics and core profile. Each module is designed to help users make statistical observations about the sample as it relates to their specific function and then allows them to transfer this knowledge to a digital environment for interactive assessment by the entire asset team. This is a unique feature that provides cross-discipline collaboration and enables all users to gain a common understanding of how the rock models are created an important aspect in validating and understanding the contributors to reservoir viability and producibility. 114 1 (055) March 2016 . PerGeos is the newest addition to our broad portfolio of digital rock technology and services that includes advanced microscopy instrumentation visualization and analysis software and imaging modeling & simulation expertise. Delphian Ballistics Delphian Ballistics . 150 TriStim . 2016 . TriStim 2017 . . Delphian Ballistics . . . Delphian Ballistics TriStim . . TriStim . . . TriStim . . Delphian Ballistics Celebrates Key Milestone with Deployment of Perforation Guns Scottish technology company Delphian Ballistics is celebrating a key milestone in the commercialization of its product. The company has deployed 150 of its TriStim perforation guns across the U.S. and Canada in January alone. The company has lined up a healthy pipeline of work for 2016 with a large order on route to New Zealand which will be deployed next month. The firm which designed the system to be used in both conventional and unconventional wells is firmly on track to meet its projected revenue in 2017 after completing its breakthrough onshore fracing project in Oklahoma last year. As part of its global roll out campaign Delphian Ballistics has signed a collaboration agreement with a leading service provider in Canada and is poised to sign up further partners in New Zealand the U.S. and the Middle East. The technology is based on the physics of ballistics and the placement of power and has no direct competitor in the marketplace. Stuart McLeod managing director of Delphian Ballistics said TriStim offers a smarter way to perforate. Whether for conventional production fracing or for stimulation it delivers enhanced perforations resulting in increased well productivity and enhanced fracture dynamics. The technical capabilities of TriStim created from an understanding of the physics of ballistics which harness converging shockwaves to produce a cleaner bigger and deeper hole are now well documented and understood. For conventional wells the implications of improving hydrocarbon flow and hence increasing productivity go far beyond simply producing more bpd. TriStim makes depleted and uneconomic assets viable again whether individual wells or entire fields. 1 (055) March 2016 115 NEWS Equipment and Services NEWS Equipment and Services - () HiWay (). 5 300 550 . 1 3 300 . HiWay () . - - - - . . 15 20%. . . . - - . 2011 . - - - . Rospan International Conducted Record Fracing Operation Rospan International Rosneft subsidiary conducted record hydraulic fracturing (HF) operation on the East Urengoi license area with the use of HiWay (TM) highly conductive fractures technology that has become record fracing operation on the gas-condensate field. 300 tons of proppant have been pumped one-time within 5 hours that is equivalent to 550 tons of a proppant pumped by conventional technology. During well development production rate reached more than 1 million m3 day of gas and 300 tons day of gas condensate. Fracturing technology with the creation of HiWay highly conductive fracture (TM) refers to the cluster HF types. The technology is applied as a pilot one as one of the possible technical solutions for the implementation of Rospan International strategy to increase productivity of new wells decommissioning with geology degradation in the peripheral areas of the Achimov formations of the East- and the Novo Urengoy license areas. Rospan experts conducted six pilot operations with the use of this technology. Compared with conventional HF technology with the equivalent injection volume wells productivity was increased by 15 20%. In the short term Rospan plans to increase proppant injection amount in some wells providing maximum efficiency of well completion. In order to specify operations parameters specialists are investigating productivity dynamics of the wells where advanced hydraulic fracturing technology has been used .Along with this the ways are worked out to overcome the existing technology limitations for conducting operations with the planned increased injection capacity. Rospan International operates two licences in the Urengoi area in the Yamal-Nenets Autonomous Okrug East Urengoiskoye and Novo-Urengoiskoye. These cover deep layers of the supergiant Urengoiskoye field. Rospan International is a 100% RN Holding (Rosneft) subsidiary. 116 1 (055) March 2016 - 18 2015 Weatherford . LWD ( ) Weatherford . - HAGRTM (AZD) (TNP) MFRTM. - . LWD Weatherford . LWD . . LWD Weatherford LWD Weatherford . - . At the crude hydrocarbons session held in Moscow on December 18 2015 the Expert Technical Board of the State Reserves Committee heard and approved a report that demonstrated the effectiveness of Weatherford logging-while-drilling ( LWD ) tools for the estimation of hydrocarbon reserves in terrigenous reservoirs. The report which was jointly authored by Weatherford Novatek and Yargeo compared the initial geophysical data recorded by a suite of Weatherford LWD tools against conventional logging data performed in vertical and horizontal wells. The suite consisted of the HAGRTM high-temperature azimuthal gamma ray sensor the azimuthal density (AZD) and thermal neutron porosity (TNP) sensors and the MFRTM multifrequency resistivity sensor. According to representatives of the State Reserves Committee the data obtained using these tools during drilling and reaming in horizontal and deviated wells can be used by operator companies to accurately estimate hydrocarbons in place in terrigenous reservoirs. The data recorded while drilling and reaming with the Weatherford LWD suite is comparable in quality to the results obtained by logging after drilling using wireline and pipe-conveyed logging systems. Additionally the suite enables operators to gather real-time geosteering data promptly make necessary adjustments while drilling and record azimuth measurements. Azimuthal images are used to determine the formation boundaries relative to the wellbore and to characterize the properties of rocks along its perimeter. Using the Weatherford LWD suite helps to reduce well construction costs by eliminating the need for similar wireline or pipe-conveyed logging methods after drilling said Sergey Shaikhutdinov LWD interpretation and processing services manager at Weatherford Russia. This capability is especially valuable in the current economic situation when operators are looking to reduce the cost of production drilling. 1 (055) March 2016 117 NEWS Equipment and Services Weatherford State Committee Recognizes Weatherford lWD Suite 118 1 (055) March 2016 1 (055) March 2016 119 120 1 (055) March 2016 (ICoTA) - Intervention Technology Award 2016. ______________________ ___________________________________________________________________________ __________________________________ ___________________________________________________________________________ _________________________________ ___________________________________________________________________________ _______________________________________ ___________________________________________________________________________ ________________________________ ___________________________________________________________________________ () _____________________________________________ ___________________________________________________________________________ ____ ___________________________________________________________________________ cttimes cttimes.org. 7 499 788 91 19 - . ICoTA . Intervention Technology Award 17- - 2016 . Intervention Technology Award 2014 (ICoTA) IoTA ( ). www.icota-russia.ru 5 1 224 119017 7 499 788 91 24 7 (916) 512 70 54 7 499 788 91 19 1 (055) March 2016 121 NP CTTDC Ministry of Energy of the Russian Federation Dear colleagues and friends Russian Chapter of the Intervention and Coiled Tubing Association (ICoTA) invites you to respond to a poll and tell us which companies are worthy of the special Intervention Technology Award 2016. You are kindly asked to choose the companies which in your opinion are the winners in the following categories Best company in the sphere of coiled tubing technologies application in russia and CIs countries ________________ __________________________________________________________________________ Best company in the sphere of hydraulic fracturing operations in russia and CIs countries ____________________ __________________________________________________________________________ Best international company in the sphere of hydraulic fracturing operations _____________________________ __________________________________________________________________________ Best innovating company in russia and CIs countries___________________________________________ __________________________________________________________________________ Breakthrough of the year the fastest-growing company________________________________________ __________________________________________________________________________ Best international company on the russian oilfield service market ___________________________________ __________________________________________________________________________ Best company-manufacturer of the high-tech oilfield service equipment on the territory of the Common Free Market Zone_ __________________________________________________________________________ Financial institution that promotes high-tech oilfield services in russia ________________________________ __________________________________________________________________________ Please kindly fill-in the form scan it and send to cttimes cttimes.org You can send the filled form by fax as well 7 499 788 91 19 Your opinion is very important for us on the first stage we will form short lists of the companies in each of the categories on the basis of your votes. on the second stage the panel of judges comprising board members of the russian Chapter of ICoTA experts from the russian Ministry of energy members of the scientific Council of Coiled Tubing Technologies Development Center and members of the editorial Board of Coiled Tubing Times Journal will choose the winner in each category (according to the elaborated qualitative and quantitative criteria). Intervention Technology Award Ceremony will be held in the framework of the 17th International scientific and Practical Coiled Tubing Hydraulic Fracturing and Well Intervention Conference in the fall of 2016. Intervention Technology Award was established in early 2014 by the russian Chapter of the Intervention and Coiled Tubing Association (ICoTA). It is the russian version of the award established by the Us Chapter of ICoTA. Contact information www.icota-russia.ru 5 1 Pyzhevsky lane suite 224 119017 Moscow russian Federation Telephone 7 499 788 91 24 7 (916) 512 70 54 Fax 7 499 788 91 19 122 1 (055) March 2016 2016 1 55 -2016 SPE EAGE 15- CIPPE-2015. 16- 15- - 10- RDCR-2016. -2016. 16- 6- . 24- . . 2016 http rca.spe.org ru events spe-eage-workshop-staticand-dynamic-modeling 22.03-23.03.2016 SPE 22.03-24.03.2016 http www.eprussia.ru news base 2014 99051.htm 29.03-31.03.2016 Beijing Zhenwei Exhibition Co. Ltd http www.cippe.com.cn 06.04.-07.04.2016 -2016 - Global Business Club Ltd SPE http www.globuc.com ru cispetrochemicals http rca.spe.org ru events events-russia-2014-2015 http oil-gas.kz ru vystavka o-vystavke 12.04.-14.04.2016 ITECA 12.04.-13.04.2016 ITECA http oil-gas.kz ru konferentsiya o-konferentsii 13.04.2016 Rogtec Magazine http rdcr.ru 18.04.-21.04.16 () http www.neftegaz-expo. ru 18.04.-21.04.16 () http www.enercon-ng.ru ru 19.04.--20.04.2016 () http www.oilandgasforum. ru http bvkexpo.ru gaz-neft-texnologiinedelya-nefteximii-vrespublike-bashkortostanwww-gntexpo-ru 24.05.-27.05.2016 VI 25.05.-26.05.2016 http www.anrb.ru blog alias nph2016 . - XXI 2016 23.05.-28.05.16 http www.nitpo.ru conferences sovremennietehnologii-kapitalnogoremonta-skvazhin-ipovishenija-nefteotdachiplastov-perspektivi-razvitija 06.06.-10.06.2016 http togc.info seminary SECTION_ ID 104&ELEMENT _ID 1084 07.06.-08.06.2016 - SPE http rca.spe.org ru events events-russia-2014-2015 08.06.-09.06.2016 Vostok Capital http www.yamaloilandgas. com 1 (055) March 2016 123 119017 . . . 5 . 1 224 . 7 499 788 914 . 7 499 788 91 19. - 84119. . ( 3 ). . (3 . 4 .) 13 200 . ( 10%) . cttimes cttimes.org For English-speaking readers we recommend to subscribe for PDF-version of the Journal. Please send your subscription request to 4 (054) . 30 Intervention Technology Award - . . In the Issue 4 (54) of Coiled Tubing Times on page 30 a mistake was made in the article Intervention Technology Award 2015 the correct form of ownership for BVTVostok Company is CJSC. The Editorial staff offers its apologies for it. Honorary editor Ron Clarke (rc cttimes.org) cttimes cttimes.org Year subscription price for PDF-version 80 . (rc cttimes.org) (halina.bulyka cttimes.org) (artem.gribov cttimes.org) . .-. (advert cttimes.org) cttimes cttimes.org. .. ... .. ... . . .. .. C .. Trican Well Service . NOV CTES .. ... . Editor-in-chief Halina Bulyka (halina.bulyka cttimes.org) Director of Strategic Development Coiled Tubing Times Artem Gribov (artem.gribov cttimes.org) Scientific editor Vasili Andreev Doctor of Phys.-Math. Translators Gregory Fomichev Svetlana Lysenko Executive editor Natallia Mikheyeva Marketing and advertising Marina Kulikovskaya (advert cttimes.org) Design & computer making up Ludmila Goncharova Subscription & distribution cttimes cttimes.org. Chief scientific consultant V. Voitenko Doctor of Engineering Professor Member of the Russian Academy of Natural Sciences Scientific consultants L. Magadova Doctor of Engineering Deputy Director of Institute of Industrial Chemistry Gubkin Russian State University of Oil and Gas i. Pirch Director of CJSC Novinka H.B. Luft Professor Senior Technical Advisor of Trican Well Service K. Newman Technical Director of NOV CTES A. Kustyshev Doctor of Engineering Professor. 124 1 (055) March 2016 1 (055) March 2016 125 126 1 (055) March 2016