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2 034 981

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C1

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IPC

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Application

92000840/03, 1992-10-15

(22)

Actual filing date

1992-10-15

(45)

Published

1995-05-10

(72)

Inventor

Stepanova G.S.Shovkrinskij G.Ju.Rozenberg M.D.Safronov S.V.Pavlov N.E.Litvakov V.U.

(73)

Holder

Vserossijskij Neftegazovyj Nauchno-Issledovatel'Skij Institut

METHOD OF EXPLOITATION OF OIL POOL Russian patent published in 1995 - IPC

Abstract RU 2034981 C1

FIELD: oil production. SUBSTANCE: the method consists in injection of solvent fringe down the bed with subsequent pushing of it by gas or gas and water bed with subsequent pushing of it by gas or gas and water through injection wells. Used as solvent is a solvent containing oil-soluble polymer or oil-soluble surface-active agent (0.01 to 5.0 mass percent). As the best variant, oil should be used as solvent, and steam-gas mixture - as gas. EFFECT: enhanced oil recovery of the due to prevention of gas burst into production wells at exploitation of a non-uniform bed. 3 cl

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RU 2 034 981 C1

Authors

Stepanova G.S.

Shovkrinskij G.Ju.

Rozenberg M.D.

Safronov S.V.

Pavlov N.E.

Litvakov V.U.

Dates

1995-05-10—Published

1992-10-15—Filed

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