The problem of adapting the gas-condensate reservoir model under conditions of a low volume and low reliability of the initial data
https://doi.org/10.31660/0445-0108-2021-5-177-187
Abstract
The article is dedicated to the problem of adapting the hydrodynamic model of a gas-condensate reservoir with a low volume and low reliability of the field and laboratory data. The purpose of the work is a qualitative reservoir development forecast. All available formation fluid downhole samples were studied. The authors analyzed water samples taken during the reservoir development process. The monthly production reports data and the gas-condensate well testing installation measurements were used in the article. The authors carried out the hydrodynamic model multivariate calculations in order to mathematically repeat historical waterflooding. An approach to the retrospective analysis of the production and laboratory data is shown in order to remove uncertainties in the reservoir and production engineering. The work performed made it possible to determine the most probable content of C5+ components in the reservoir gas, as well as to assess the risk of the future formation water invasion into the reservoir. As a result of this work, it was recommended to exclude two edge wells in order to reduce the gas well waterflooding. In addition, the authors calculated an improved reservoir development variant. They proposed to transfer a part of gas wells to water wells at the stage of declining production. This operation will reduce the reservoir water-flooding rate.
About the Authors
P. A. Shulgin
Tyumen Petroleum Scientific Center LLC
Russian Federation
Russian Federation
Pavel A. Shulgin, Specialist
Tyumen
E. V. Raudanen
Tyumen Petroleum Scientific Center LLC
Russian Federation
Russian Federation
Evgeniya V. Raudanen, Team Leader
Tyumen
R. R. Shakirov
Kynsko-Chaselskoe neftegas LLC
Russian Federation
Russian Federation
Ravil R. Shakirov, Head of the Department
Tyumen
References
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Review
For citations:
Shulgin P.A., Raudanen E.V., Shakirov R.R. The problem of adapting the gas-condensate reservoir model under conditions of a low volume and low reliability of the initial data. Oil and Gas Studies. 2021;(5):177-187. (In Russ.) https://doi.org/10.31660/0445-0108-2021-5-177-187
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