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1 774 691

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IPC

(21) (22)

Application

4801405/13, 1990-03-14

(22)

Actual filing date

1990-03-14

(45)

Published

1995-09-20

(72)

Inventor

Beljaev S.S.Borzenkov I.A.Glumov I.F.Ibatullin R.R.Ivanov M.V.Kochetkov V.D.Mats A.A.Muslimov R.Kh.Roshchektaeva N.A.

METHOD FOR TREATMENT OF OIL FORMATION Russian patent published in 1995 - IPC

Abstract SU 1774691 A1

FIELD: oil producing industry. SUBSTANCE: method for treatment of oil formation includes injection into oil formation of microflora and nutrients. Source of microflora is water taken from bottom-hole formation zone with content of microorganisms of at least 10⁴ cell/ml in volume equalling volume of bottom-hole formation zone. EFFECT: higher efficiency of oil recovery, simplified process and cut down costs. 1 tbl

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SU 1 774 691 A1

Authors

Beljaev S.S.

Borzenkov I.A.

Glumov I.F.

Ibatullin R.R.

Ivanov M.V.

Kochetkov V.D.

Mats A.A.

Muslimov R.Kh.

Roshchektaeva N.A.

Dates

1995-09-20—Published

1990-03-14—Filed