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2 021 495

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Application

4935106/03, 1991-05-12

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Actual filing date

1991-05-12

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Published

1994-10-15

(72)

Inventor

Stepanova G.S.Rozenberg M.D.Boksha O.A.Gubkina G.F.Nenartovich T.L.Safronov S.V.

(73)

Holder

Vsesojuznyj Neftegazovyj Nauchno-Issledovatel'Skij Institut

METHOD FOR DEVELOPMENT OF OIL FIELD Russian patent published in 1994 - IPC

Abstract RU 2021495 C1

FIELD: oil producing industry. SUBSTANCE: method consists in injection of aqueous solution of ammonium salt through injection wells, heating of solution in formation and oil recovery through producing wells. Ammonium salt is used in form of ammonium carbonate. Aqueous solution of ammonium carbonate is injected in form of fringe amounting to 0.2-0.4 of pore space, and forced by water. EFFECT: higher oil recovery. 1 tbl

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RU 2 021 495 C1

Authors

Stepanova G.S.

Rozenberg M.D.

Boksha O.A.

Gubkina G.F.

Nenartovich T.L.

Safronov S.V.

Dates

1994-10-15—Published

1991-05-12—Filed

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