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2 097 540

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IPC

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Application

95101978/03, 1995-02-09

(22)

Actual filing date

1995-02-09

(45)

Published

1997-11-27

(72)

Inventor

Ganiev R.R.Khlebnikov V.N.Jakimenko G.Kh.Adadurov Ju.N.Andreeva A.A.Bikbova A.A.Sirotinskij A.S.Darintsev O.V.

(73)

Holder

Nauchno-Issledovatel'Skij Institut

METHOD OF INCREASING OIL RECOVERY OF BED Russian patent published in 1997 - IPC

Abstract RU 2097540 C1

FIELD: oil and gas production. SUBSTANCE: invention relates to developing oil deposits and can be applied to increase oil recovery of carbonate and terrigenous formations with elevated irregularity containing high- viscosity oils. Into bed, first solvent border is pumped in, then border of surfactant dispersion and alkali with pumped in water, solvent and dispersion borders being pumped in at volume ratio from 1:1 to 1:20, respectively. Finally, punching through with water is performed. EFFECT: enhanced efficiency of operation.

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RU 2 097 540 C1

Authors

Ganiev R.R.

Khlebnikov V.N.

Jakimenko G.Kh.

Adadurov Ju.N.

Andreeva A.A.

Bikbova A.A.

Sirotinskij A.S.

Darintsev O.V.

Dates

1997-11-27—Published

1995-02-09—Filed

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