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Issue
Name
Authors
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2016/1
Improving selection of hollow sucker rods through use of mathematical model of rods behavior
Technical sciences

Authors: Vladimir N. IVANOVSKI graduated from Gubkin Russian State University of Oil and Gas in 1976. Нe is Doctor of Technical Sciences, Head of the Department of Machines and Equipment of Oil and Gas Industry at Gubkin Russian State University (National Research University) of Oil and Gas. He is full member of the Academy of Natural Sciences, Honorary Worker of the fuel and energy complex. He is author of more than 200 scientific papers. E-mail: ivanovskiyvn@yandex.ru
Yuri S. DUBINOV graduated from Gubkin Russian State University of Oil and Gas in 2013. He is graduate student the Department of Machines and Equipment of Oil and Gas Industry of Gubkin Russian State University (National Research University) of Oil and Gas. He is Head of the Laboratory of the Department of Metallurgy and Non-metallic Material, author of 14 scientific publications.
E-mail: dubinovys@gmail.com
Sergey S. PEKIN graduated from Gubkin Russian State University of Oil and Gas in 1976. Нe is Associate Professor of the Department of Machines and Equipment of Oil and Gas Industry of Gubkin Russian State University (National Research University) of Oil and Gas. He is author of more than 50 scientific publications. E-mail: pekinss@gmail.com
Andrey V. BULAT graduated from Gubkin Russian State University of Oil and Gas in 2010. He is Candidate of Technical Sciences, Senior Lecturer of the Department of Machines and Equipment of Oil and Gas Industry of Gubkin Russian State University (National Research University) of Oil and Gas. He is author of 18 scientific publications. E-mail: avbulat87@gmail.com

Abstract: The new method of calculating stresses is based on the Oding dependence with the introduction of the k index characterizing the design features of sucker rods and the material these are manufactured from. The new method allowed good agreement with the results of the situation in the well. A mathematical model was developed to account for the peculiarities of operation of sucker rods in directional wells. The new calculation method in conjunction with the mathematical model increased the accuracy by 5% when compared to the method without taking into account the mathematical model

Index UDK: УДК 622.276.53

Keywords: sucker rods, hollow sucker rods, method of calculating stress, mathematical model of sucker rods operation, Oding dependence

Bibliography:
1. Oding I.A. Dopuskaemye naprjazhenija v mashinostroenii [Allowable stress in mechanical engineering]. M.: Mashgiz, 1962, 260 p. (In Russian).
2. Markovec M.P. Uchebnoe posobie po kursu prochnost’ metallov oborudovanija atomnyh jelektricheskih stancij [Textbook of exchange metals strength of nuclear power plants equipment]. M.: MJI, 1979, 94 p. (In Russian).
3. Serensen S.V., Kogaev V.P. Nesushhaja sposobnost’ i raschety detalej mashin na prochnost’ [Bearing capacity calculations and machine parts for durability]. M.: Mashgiz, 1968, 488 p. (In Russian).
4. Renev D.Y. Povyshenie effektivnosti ekspluatatsii SShNU v naklonno-napravlennykh skvazhinakh za schet utochneniya metodik rascheta i podbora shtangovykh kolonn. Ph.Diss. [Increased operational efficiency downhole sucker rod pumping unit in deviated wells by clarifying the methods of calculation and selection of rod columns. Ph.Diss.]. Мoscow, 2010.
5. Stepin P.A. Soprotivlenie materialov [Strength of materials]. М.: Integral-press, 1997, 320 p. (In Russian).
6. Gots A.N., Raschety na prochnost’ detaley DVS pri napryazheniyakh, peremennykh vo vremeni [Stress calculation engine parts at voltages variables over time]. Vladimir, 2005, 124 p. (In Russian).
7. State Standart 31825-2012. Rods for pumps, wellhead and coupling rods to them. Мoscow, Standartinform Publ., 2013, 51 p. (In Russian).
8. Ivanovskij V.N., Dubinov Ju.S., Clarification of values of the permissible stresses and methods of calculating rod columns in oil under complicated conditions. [Proceedings of the Gubkin Russian State University of Oil and Gas], 2014, no. 1, p. 65-75 (In Russian).

2014/1
Updating values of allowed reduced stress and methods for rod string calculation for oil in complicated conditions
Design, manufacturing and operation of oil and gas sector equipment and facilities

Authors: Vladimir N. IVANOVSKY Minh graduated from Gubkin Moscow Institute of Petrochemical and Gas Industry in 1976. He is Doctor of Technical Sciences, Head of the Department of Machinery and Equipment for Oil and Gas Industry at Gubkin Russian State University of Oil and Gas. He is full member of the Academy of Natural Sciences, Honored Worker of the Fuel and Energy Complex. He is author of over 170 scientific papers. E-mail: ivanovskivn@rambler.ru
Yuri S. DUBINOV graduated from Gubkin Russian State University of Oil and Gas in 2013. He is postgraduate student of the Department of Machinery and Equipment for Oil and Gas Industry at Gubkin Russian State University of Oil and Gas. He is author of 5 scientific publications. E-mail: dubinovys@gmail.com

Abstract: Analysis of methods to calculate reduced stresses in rod columns is presented. Smith chart is found to have shown good convergence of the calculation results with the situation in the well. A computer model of the fatigue tests with the results consistent with the of field tests published by other authors is developed.

Index UDK: 622.276.53

Keywords: sucker rods, reduced stress calculation method, Smith chart

Bibliography:
1. State Standart 25.502-79. Methods of mechanical testing of metals. Moscow, Standartinform Publ., 1981, 25 p. (In Russian).
2. State Standart 28841-90. Machines for fatigue tests. Moscow, Standartinform Publ., 1993, 11 p. (In Russian).
3. Abutalipov U.M. The development and application of technology in the dual completion public corporation “Bashneft”. Inzhenernaja praktika — Engineering Practice, 2010, no. 1 (In Russian).
4. Vahromeev A.M. Mashiny dlya ispytaniy na ustalost’ [Machines for fatigue tests]. Мoscow: MADI, 2006, 60 р.
5. Garifov К.М. History and current state of engineering and technology dual completion mine in public corporation “Tatneft”. Inzhenernaja praktika — Engineering Practice, 2010, no. 1 (In Russian).
6. Garifov К.М., Ibragimov N.G., Zabbarov R.G. Dual completion development wells. Neft’ i zhizn’ - Oil and life, 2008, no. 3 (In Russian).
7. Gots A.N. Raschety na prochnost’ detaley DVS pri napryazheniyakh, peremennykh vo vremeni [Stress calculation engine parts at voltages variables over time]. Vladimir, 2005.
8. Dubinov Y.S. Analysis and modernization of methods of selection of hollow sucker rods. Sbornik tezisov 67 Mezhdunarodnoy molodezhnoy nauchnoy konferentsii “Neft’ i gaz-2013” [Book of abstracts 67th International Youth Conference Oil and Gas 2013”]. Moscow, 2013. (In Russian)
9. Dubinov Y.S. Modernization of methods of selection and calculation of hollow sucker rods for dual completion. Sbornik tezisov 65 Mezhdunarodnoy molodezhnoy nauchnoy konferentsii “Neft’ i gaz-2011” [Book of abstracts 65th International Youth Conference Oil and Gas 2011”]. Moscow, 2011. (In Russian)
10. Dubinov Y.S. Principles of selection of rod columns. Sbornik tezisov 66 Mezhdunarodnoy molodezhnoy nauchnoy konferentsii “Neft’ i gaz-2012” [Book of abstracts 66th International Youth Conference Oil and Gas 2012”]. Moscow, 2012. (In Russian)
11. Ivanovski V.N. Dual completion and intellectualization of wells: yesterday, today and tomorrow. Territorija neftegaz [Territory neftegas], 2010, no. 3 (In Russian)
12. Kogaev V.P. Raschety na prochnost’ pri napryazheniyakh, peremennykh vo vremeni [Strength calculations for voltages variables over time]. Moscow, 1977, 232 p.
13. Otkrytoe aktsionernoe obshchestvo “Tatneft” im. V.D. Shashina. Nasosnaya ustanovka dlya odnovremennoy razdel’noy ekspluatatsii dvukh plastov v skvazhine [Pump system for the simultaneous production of two layers in the well]. Patent RF, no. 2291953, 2007.
14. Otkrytoe aktsionernoe obshchestvo “Tatneft’” im. V.D. Shashina. Ust’evaya dvustvol’naya armatura [Wellhead-barrel fittings]. Patent RF, no. 2305747, 2007.
15. Renev D.Y. Povyshenie effektivnosti ekspluatatsii SShNU v naklonno-napravlennykh skvazhinakh za schet utochneniya metodik rascheta i podbora shtangovykh kolonn. Ph.Diss. [Increased operational efficiency downhole sucker rod pumping unit in deviated wells by clarifying the methods of calculation and selection of rod columns. Ph.Diss.]. Мoscow, 2010.
16. Urazakov K.R., Bogomol’ni E.I., Seitpagambetov Zh.S. Nasosnaya dobycha vysokovyazkoy nefti iz naklonnykh i obvodnennykh skvazhin [Pumping of oil from the production of high-sloping and well watered]. Мoscow, 2003, 303 р.