Determination of Enhanced Oil Recovery Candidate Fields in the Volga-Ural Oil and Gas Region Territory

Mikhail Turbakov and Аleksandr Shcherbakov
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Mikhail Turbakov: Department of Oil and Gas Technologies, Perm National Research Polytechnic University, 29, Komsomolskii av., Perm 614990, Russia
Аleksandr Shcherbakov: Department of Oil and Gas Technologies, Perm National Research Polytechnic University, 29, Komsomolskii av., Perm 614990, Russia

Energies, 2015, vol. 8, issue 10, 1-14

Abstract: Most of the current Russian oil production comes from mature fields. The application of enhanced oil recovery methods on oil fields increases recovery efficiency. This article presents an analysis of the increased field development efficiency methods of the Volga-Ural oil and gas region, which allows the full and efficient development of last-stage fields with unconventional reserves and production stabilization. The selection of the optimum method for a given field is a complex procedure consisting of many stages, from collecting data about the field, through more advanced data interpretation, to working out a detailed proposal for the most efficient extraction method. In this article the instantaneous and average annual growth above wells average was taken as a performance criterion for enhanced oil recovery methods. Based on the performed analysis, it follows that candidate wells for enhanced oil recovery method use must meet the I group parameters (high values of the remaining recoverable reserves and improved reservoir properties, low water cut, obtained oil rate increase). In order to assess the possible increase in production rate after enhanced oil recovery methods hydrodynamic modeling of radial drilling, acid treatment and water-alternated-gas injection for two oil fields of the Volga-Ural oil and gas region were performed.

Keywords: unconventional oil; carbonate reservoir; enhanced oil recovery methods; oil recovery factor; hydrodynamic modeling; water-alternated-gas injection (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2015
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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