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Neftyanaya Provintsiya 

No.2(18),2019

OPTIMIZED DEVELOPMENT STRATEGY FOR TERRIGENOUS BOBRIKOVIAN RESERVOIRS WITH DIFFERENT PERMEABILITY: A CASE-STUDY OF NOVO-SUKSINSKOYE OIL FIELD

Danilov D.S., Petrov V.N., Khakimzyanov I.N.

DOI https://doi.org/10.25689/NP.2019.2.151-162

PP.151-162

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Abstract

The majority of Tatarstan oil fields are currently at the late stage of development, with large amounts of water injected and produced. High rate of reserve recovery from heterogeneous reservoirs results in non-uniform drainage leading to sharp increase of hard-to-recover reserve share. The main oil recovery method in Tatneft Company is water flooding. Enhanced oil recovery can be provided through optimized flood patterns and application of various repressuring agents, including injection of systems with various viscosities (based on polymer thickeners) depending on terrigenous reservoir permeability. The authors suggest a conformance control solution for terrigenous reservoirs with different permeability zones through the application of polymer systems with various viscosities as oil displacing agents (a case study from the Novo-Suksinskoye field).

Key words:

terrigenous reservoirs, heterogeneous deposit, displacement front, different-permeability zones, cyclic injection, polyacrylamide, uniform reservoir depletion, oil recovery factor

References

 

1. R.T. Shakirova, V.U. Kondakova, D.S. Danilov Analiz geologicheskogo stroeniya i effektivnosti primeneniya gorizontal'noj tekhnologii v usloviyah Novo-Suksinskogo mestorozhdeniya (Analysis of geology and horizontal drilling efficiency in NovoSuksinskoye oil field). Neftyanoye Khozyaistvo, 2010, No. 6, pp. 52-55 (in Russian)

2. D.S. Danilov, R.T. Shakirova, I.N. Khakimzyanov, A.M. Iskhakova Osobennosti vyrabotki zapasov bobrikovskogo ob"ekta unikal'nogo Novo-Suksinskogo mestorozhdeniya (Aspects of reserve recovery from Bobrikovskian deposits in NovoSuksinskoye oil field). Innovations in oil and gas field exploration and development: proceedings of the International Research and Practice Conference, 7-8 Sept. 2016, Kazan, Vol.1, pp. 235-238 (in Russian)

3. R.S. Khisamov, V.N. Petrov, I.G. Gazizov, R.Kh. Akhmadullin, D.S. Danilov, L.M. Mironova, O.V. Petrova Sposob razrabotki neodnorodnoj neftyanoj zalezhi (Oil recovery method for heterogeneous reservoirs) RF Patent No.2594185, IPC: Е21В 43/22. Applicant and patent holder: PJSC TATNEFT No. 2015145004/03. Date of appl.: 20 Oct 2015, Date of publ.: 10 Aug 2016. Bul. No. 22 (in Russian)

Authors

Danilov D.S., Junior Researcher, Reservoir Engineering Department, TatNIPIneft InstitutePJSC TATNEFT, Bugulma, Republic of Tatarstan, Russian Federation Е-mail: razrdds@tatnipi.ru

Petrov V.N., PhD, Head of Laboratory, Reservoir Engineering Department, TatNIPIneft Institute-PJSC TATNEFT, Bugulma, Republic of Tatarstan, Russian Federation Е-mail: petrov@tatnipi.ru

Khakimzyanov I.N., Dr.Sc, Head of Laboratory, Reservoir Engineering Department, TatNIPIneft Institute-PJSC TATNEFT, Bugulma, Republic of Tatarstan, Russian Federation Е-mail: khakimzyanov@tatnipi.ru

For citation:

D.S. Danilov, V.N. Petrov, I.N. Khakimzyanov Optimizacija sistemy razrabotki neodnorodnyh terrigennyh kollektorov bobrikovskogo ob#ekta novo-suksinskogo neftjanogo mestorozhdenija [Optimized development strategy for terrigenous bobrikovian reservoirs with different permeability: a case-study of novo-suksinskoye oil field]. Neftyanaya Provintsiya, No. 2(18), 2019. pp. 151-162. DOI https://doi.org/10.25689/NP.2019.2.151-162 (in Russian)

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