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Neftyanaya Provintsiya
electronic peer-reviewed scholarly publication
Neftyanaya provintsiya No.3(23),2020

Investigating the feasibility of real-time pressure management in multilayered oil reservoirs based on maintaining the stability of producing gas-oil ratio of each production zone

О.V. Davydova, L.G. Rakhmaev, Yu.А. Gutorov
DOI: https://doi.org/10.25689/NP.2020.3.139-152


The paper discusses the challenges associated with the operation of complex and expensive telemetry equipment intended to control and manage production from a multi-layered field using dual completion technology. Wireless and wired telemetry systems are disadvantageous in that the former fail to provide remote control at long distances and the latter lack the required reliability. Thus, the authors come up with a new method for real-time monitoring and management of reservoir pressure based on measurements of current gas-oil ratio of the wellstream produced from each production zone using dual completion system for production and maintenance of relative stability of gas-oil ratios through real-time pressure management using dual completion system for injection. It is proposed that commercially available AGZU-OZNA measuring units equipped with appropriate sensors be used for measurements.

Field trials of the proposed reservoir pressure management method in two-layer reservoir of the Tedynskoye field operated by OOO Lukoil-Severneftegaz and in a multi-layered field of OOO Sheshmaoil proved its efficiency and became a rationale for development of the corresponding procedural guidelines and for patent application.

    Key words:

    dual completion system for production, dual completion system for injection, reservoir pressure, saturation pressure, current gas-oil ratio, relative pressure differential


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    Davydova О.V. Vliyanie temperatury zhidkosti na ostatochnoe kolichestvo rastvorennogo gaza v nefti pri izmereniyakh gazovogo faktora [Effects of fluid temperature on residual solution gas content during measurements of gas-oil ratio]. Neftegazovoye delo, 2013, No. 1, pp. 181-189. – URL: http://www.ogbus.ru. (in Russian)

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    Valeev М.D., Gazarov А.G., Kordik К.Е., Davydova О.V. Sravnitelnyy analiz izmeritelnykh ustanovok dlya opredeleniya gazovogo faktora [Comparative analysis of measuring units for determination of gas-oil ratio]. Neftyanoye Khozyaystvo, 2011, No. 1, pp. 96-98. (in Russian)

    O.V. Davydova, N.Kh. Gabdrakhmanov K voprosu o putjah realizacii jeffektivnyh sposobov povyshenija tochnosti izmerenija gazovogo faktora pri jekspluatacii neftjanyh mestorozhdenij na pozdnej stadii razrabotki [On implementation of efficient methods to improve accuracy of measuring gas-oil ratio in mature fields]. Neftyanaya Provintsiya, No. 1(17), 2019. pp. 156-188. DOI https://doi.org/10.25689/NP.20...;(in Russian)

    Rakhmaev L.G., Gutorov Yu.A., Davydova O.V. RF Patent No. 2726664. Sposob razrabotki neftyanoy mnogoplastovoy zalezhi [Method for development of multi-layered oil reservoir]. No. 2019136504: appl. 14.11.2019, publ. 15.07.2020; Patent holder – PJSC TATNEFT – URL: https://www1.fips.ru (reference date 17.07.2020). (in Russian)


    O.V. Davydova, PhD student, Oktyabrsky Branch of Ufa State Petroleum Technical University54A, Devonskaya st., Oktyabrsky, 452607, Russian Federation
    E-mail: Oksana123123@mail.ru

    L.G. Rakhmaev, Chief Specialist, Tatneft-Dobycha, PJSC TATNEFT
    24, Neftyanikov st., Aznakaevo, 423330, Russian Federation
    E-mail: rakhmaev@mail.ru

    Yu.A. Gutorov, Dr.Sc, Head of Research and Analysis in Fuel and Energy Complex, Regional R&D center Neftyanaya Dolina, member of RANS
    21, Severnaya st., Oktyabrsky, 452600, Russian Federation
    E-mail: gutorov70@mail.ru

    For citation:

    О.V. Davydova, L.G. Rakhmaev, Yu.А. Gutorov Issledovanie vozmozhnosti operativnogo upravlenija plastovym davleniem mnogoplastovoj zalezhi nefti na osnove obespechenija stabilizacii tekushhego gazovogo faktora produkcii, dobyvaemoj iz kazhdogo plasta [Investigating the feasibility of real-time pressure management in multilayered oil reservoirs based on maintaining the stability of producing gas-oil ratio of each production zone]. Neftyanaya Provintsiya, No. 3(23), 2020. pp.139-152. DOI https://doi.org/10.25689/NP.2020.3.139-152 (in Russian)

    © Non-governmental organization Volga-Kama Regional Division of the Russian Academy of Natural Science, 2015-2022 All the materials of the journal are available under the Creative Commons Attribution 4.0 License (https://creativecommons.org/licenses/by/4.0/)