METHOD OF ACTION ON FACE ZONE OF OIL POOL OR ON OIL POOL Russian patent published in 1998 - IPC

Abstract RU 2120030 C1

FIELD: oil production industry. SUBSTANCE: hydrocarbon solution of surface- active substance of 2.0-30.0% concentration is prepared and is pumped into well. Leak-tightness of operational string and well response are determined in advance. After pumping of hydrocarbon solution of surface-active substance into well it is advanced into well by mineralized water with density not less than 1040.0 kg/cu.m pumped into well. EFFECT: increased efficiency of action on face zone of oil pool and enhanced oil recovery from pool. 2 tbl

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RU 2 120 030 C1

Authors

Sobanova O.B.

Fridman G.B.

Bragina N.N.

Fedorova I.L.

Ljubimtseva O.G.

Dates

1998-10-10—Published

1997-10-17—Filed