METHOD FOR DEVELOPMENT OF OIL DEPOSIT Russian patent published in 1998 - IPC

Abstract RU 2103490 C1

FIELD: oil production industry. SUBSTANCE: according to method, injected into oil bed are water solution of salt of multivalent metal, polymer-alkali solution, and water solution of surface-active material. Used as polymer-alkali solution are salts of alkali metals of organic acids, and polyacrylamide in ratio of 1:1. This method allows for higher gain of oil recovery factor, more efficient displacement of oil from nonuniform beds at late stage of development. EFFECT: high efficiency. 2 cl, 2 tbl

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RU 2 103 490 C1

Authors

Morozov V.Ju.

Starkova N.R.

Chernyshov A.V.

Kozlov A.I.

Dates

1998-01-27—Published

1996-06-25—Filed