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The ways of improvement of operational reliability and extension of service life of threaded joints in oil-country tubes

Authors: Ye.V. Proskurkin (Osada State Research Tube Institute, Ukraine, Dnepropetrovsk), I.V. Petrov, A.Yu. Zhuravlev (SPO Neotsink JSC, RF, Lyubertsy), M.P. Polikarpov (Gubkin Russian State University of Oil and Gas, RF, Moscow), V.I. Bolshakov, T.A. Dergach (Prydniprovs'ka State Academy of Civil Engineering and Architecture, Ukraine, Dnepropetrovsk)

Key words: tubing, tubing couplings, threaded joint, diffusion zinc coating, corrosion resistance, International Standard.

Comprehensive studies and in-field tests established that one of promising ways of protection of tubes and equipment for oil and gas production is application of thermochemical diffusion zinc coating. High field-performance data of diffusion zinc coated tubing and their threaded joins and prospects of their use in difficult conditions of oil and gas production were demonstrated. A new standard for diffusion zinc coatings is developed by International Standard Organization with participation of Ukraine and Russia. It is expected to be in force in 2015.
References
1. Status and prospects of pipe production in Russia (In Russ.), Metallurg = Metallurgist, 2003, no. 5, pp. 2-3.
2. Karpov N.A., Yankovskiy V.M., Zikeev V.N., Steel for oil country tubular goods, resistant to hydrogen sulfide cracking (In Russ.), Chernaya metallurgiya, 1981, V. 21 (905), pp. 18-31.
3. Pogorelova I.G., Issledovanie strukturnykh osobennostey i razrabotka sposoba povysheniya prochnosti i korrozionnoy stoykosti stali pri kombinirovannoy termicheskoy obrabotke (Research the structural features and development of method for increasing strength and corrosion resistance of steel at a combination of heat treatment): Thesis of candidate of technical science, Rostov na Donu, 2009.
4. Degay A., New generation pipes of Seversky Pipe Plant (In Russ.), Neftegazovaya vertikal' = Oil&Gas Vertical, 2001, no. 4, pp. 73-75.
5. Zhukova S.Yu., Termomekhanicheskaya i termicheskaya obrabotka trub iz
malouglerodistykh i nizkolegirovannykh staley (Thermo-mechanical and thermal processing of pipes made of carbon and low-alloy steels): Thesis of candidate of technical science, Tol'yatti, 2002.
6. Patent no. 2132396 RF, C21D8/10, C21D9/08, Process of manufacture of
pipes from carbon steel, Inventors: Brizhan A.I., Grekhov A.I., Zhukova S.Yu., Krivosheeva
A.A., Marchenko L.G., Medvedev A.P., Mukhin M.Yu., Popovtsev
Yu.A., Tetyueva T.V., Usov V.A., Sin T.Z.
7. Ryzhkov M.A. Osobennosti fazovykh i strukturnykh prevrashcheniy v ratsional'no legirovannykh stalyakh dlya proizvodstva vysokoprochnykh trub, stoykikh k vozdeystviyu sred, soderzhashchikh serovodorod (Features of phase and structural transformations in the rational alloyed steel for the production of high-strength pipe, resistant to fluids containing hydrogen sulfide): Thesis of candidate of technical science, Ekaterinburg, 2009.

Key words: tubing, tubing couplings, threaded joint, diffusion zinc coating, corrosion resistance, International Standard.

Comprehensive studies and in-field tests established that one of promising ways of protection of tubes and equipment for oil and gas production is application of thermochemical diffusion zinc coating. High field-performance data of diffusion zinc coated tubing and their threaded joins and prospects of their use in difficult conditions of oil and gas production were demonstrated. A new standard for diffusion zinc coatings is developed by International Standard Organization with participation of Ukraine and Russia. It is expected to be in force in 2015.
References
1. Status and prospects of pipe production in Russia (In Russ.), Metallurg = Metallurgist, 2003, no. 5, pp. 2-3.
2. Karpov N.A., Yankovskiy V.M., Zikeev V.N., Steel for oil country tubular goods, resistant to hydrogen sulfide cracking (In Russ.), Chernaya metallurgiya, 1981, V. 21 (905), pp. 18-31.
3. Pogorelova I.G., Issledovanie strukturnykh osobennostey i razrabotka sposoba povysheniya prochnosti i korrozionnoy stoykosti stali pri kombinirovannoy termicheskoy obrabotke (Research the structural features and development of method for increasing strength and corrosion resistance of steel at a combination of heat treatment): Thesis of candidate of technical science, Rostov na Donu, 2009.
4. Degay A., New generation pipes of Seversky Pipe Plant (In Russ.), Neftegazovaya vertikal' = Oil&Gas Vertical, 2001, no. 4, pp. 73-75.
5. Zhukova S.Yu., Termomekhanicheskaya i termicheskaya obrabotka trub iz
malouglerodistykh i nizkolegirovannykh staley (Thermo-mechanical and thermal processing of pipes made of carbon and low-alloy steels): Thesis of candidate of technical science, Tol'yatti, 2002.
6. Patent no. 2132396 RF, C21D8/10, C21D9/08, Process of manufacture of
pipes from carbon steel, Inventors: Brizhan A.I., Grekhov A.I., Zhukova S.Yu., Krivosheeva
A.A., Marchenko L.G., Medvedev A.P., Mukhin M.Yu., Popovtsev
Yu.A., Tetyueva T.V., Usov V.A., Sin T.Z.
7. Ryzhkov M.A. Osobennosti fazovykh i strukturnykh prevrashcheniy v ratsional'no legirovannykh stalyakh dlya proizvodstva vysokoprochnykh trub, stoykikh k vozdeystviyu sred, soderzhashchikh serovodorod (Features of phase and structural transformations in the rational alloyed steel for the production of high-strength pipe, resistant to fluids containing hydrogen sulfide): Thesis of candidate of technical science, Ekaterinburg, 2009.


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