Integrated laboratory studies when optimizing surfactant-polymer formulations for oil deposits in Western Siberia
https://doi.org/10.31660/0445-0108-2020-6-107-118
Abstract
In conditions of declining production and significant watercut in most of producing oil fields in Western Siberia, secondary recovery methods such as waterflooding are ineffective. Promising methods for increasing oil recovery are chemical enhanced oil recovery methods such as surfactant-polymer (SP) flooding. Designing the chemical composition for SP flooding one should take into account the geological, physical and geochemical features of the oil field: reservoir temperature, composition and properties of reservoir fluids and rocks. The aim of the article is to create the optimum formulation of surfactant-polymer system for certain oil field in Western Siberia. The integrated laboratory studies are conducted to prove successful of SP formulation. The aqueous solubility, phase behavior experiment, low interfacial tension, admissible values of dynamic adsorption and oil produced (40 %) during coreflood experiments shows that SP formulation T01 meet the requirements for effective SP flooding.
About the Authors
E. A. Sidorovskaya
University of Tyumen
Russian Federation
Russian Federation
Elizaveta A. Sidorovskaya, Postgraduate at the Department of Organic and Ecological Chemistry
TyumenD. S. Adakhovskij
University of Tyumen
Russian Federation
Russian Federation
Denis S. Adakhovskij, Postgraduate at the Department of Organic and Ecological Chemistry
TyumenN. Yu. Tret'yakov
University of Tyumen
Russian Federation
Russian Federation
Nikolai Yu. Tret'yakov, Candidate of Chemistry, Professor at the Department of Organic and Ecological Chemistry
TyumenL. P. Panicheva
University of Tyumen
Russian Federation
Russian Federation
Larisa P. Panicheva, Doctor of Chemistry, Consulting Professor at the Department of Organic and Ecological Chemistry
TyumenS. S. Volkova
University of Tyumen
Russian Federation
Russian Federation
Svetlana S. Volkova, Candidate of Chemistry, Associate Professor at the Department of Organic and Ecological Chemistry
TyumenE. A. Turnaeva
Industrial University of Tyumen
Russian Federation
Russian Federation
Elena A. Turnaeva, Candidate of Chemistry, Associate Professor at the Department of General and Special Chemistry
TyumenReferences
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For citations:
Sidorovskaya E.A., Adakhovskij D.S., Tret'yakov N.Yu., Panicheva L.P., Volkova S.S., Turnaeva E.A. Integrated laboratory studies when optimizing surfactant-polymer formulations for oil deposits in Western Siberia. Oil and Gas Studies. 2020;(6):107-118. (In Russ.) https://doi.org/10.31660/0445-0108-2020-6-107-118
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