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Authors: Vasiliy V. MEKHOV is bachelor student of the Department of Machines and Equipment for the Oil and Gas Industry of Gubkin Russian State University of Oil and Gas (National Research University). He specializes in the design of drilling equipment.
E-mail: mekhov.vv@yandex.ru
Valeriy A. SLYSHENKOV graduated from Gubkin Moscow Institute of Petrochemical and Gas Industry in 1971. He is Candidate of Technical Sciences, assistant professor of the Department of Machines and Equipment for the Oil and Gas Industry of Gubkin Russian State University of Oil and Gas (National Research University). He is specialist in the development, creation and introduction of new machines and aggregates with a volumetric hydraulic drive. He is author of more than 20 scientific papers and inventions.
E-mail: slychenkov@yandex.ru
Sergey S. PEKIN graduated from Gubkin Moscow Institute of Petrochemical and Gas Industry in 1976. He is Candidate of Technical Sciences, assistant professor of the Department of Machines and Equipment for the Oil and Gas Industry of Gubkin Russian State University of Oil and Gas (National Research University). He is specialist in the development, creation and introduction of new samples of oilfield equipment, diagnostics and exploration of operational efficiency. He is author of 48 publications, including 21 scientific articles, 9 educational and methodical publications, holds 15 patents for a utility model and 2 patents for an invention.
E-mail: pekinss@gmail.com
Andrey V. BULAT graduated from Gubkin Russian State University of Oil and Gas in 2009. He is Candidate of Technical Sciences, assistant professor of the Department of Machines and Equipment for Oil and Gas Industry of Gubkin Russian State University of Oil and Gas (National Research University). He is specialist in the field of oil and gas equipment and drilling equipment and author of more than 20 scientific publications and 6 patents. E-mail: avbulat87@gmail.com

Abstract: The article is devoted to the analysis of the designs of existing drilling mud pumps and the prospects for the development of new ones. The drive circuits of the pumps by a crank drive mechanism, with an oblique washer, hydraulic actuators and roller screw pumps are analyzed. Examples of structures of mud pumps with a capacity of 950 kW are presented. The advantages and disadvantages of various pump layouts and possible overall and technical characteristics are considered

Index UDK: 622.224.06

Keywords: drilling mud pump, piston pump, rack and pinion transmission, pump characteristic

Bibliography:
1. Catalog of the company “Horizontal” URL: https: //horizontal.su/
2. Catalog of the company “Geomash” URL: https://www.geomash.ru/catalog/oilfield-equipment/%20pump-ing_and_cementing_equipment/the_drilling_pump_hydraulic_gnb_50/

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).

2010/3
Predicting residual life of gas-turbine engines of gas-compressor units
Design, construction and operation of pipeline transport

Authors: Sergey S. PEKIN was born in 1953, graduated from Gubkin Russian State University of Oil and Gas, Candidate of Technical Sciences, assistant-professor of the Department of Machines and Equipment for Oil and Gas Fields, published over 80 works. E-mail: Pekin@gubkin.ru
Vladimir V. BURLYI was born in 1986, graduated from Gubkin Russian State University of Oil and Gas, Candidate of Technical Sciences, post-graduate student of the Department of Machines and Equipment for Oil and Gas Fields, published 11 works. E-mail: Byrliy@yandex.ru

Abstract: Propagation of acoustic vibrations in several media with different properties is analyzed. The life of gas-turbine engines is considered. The results of the experiments allow to identify the moment of gas-turbine engine shutdown according to operating conditions

Index UDK: УДК: 620.9:622.691.4

Keywords: acoustic vibrations, Bearing, gas-turbine engine, Operating conditions, Life

Bibliography: