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2 121 057

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Application

93039206/03, 1993-07-30

(22)

Actual filing date

1993-07-30

(45)

Published

1998-10-27

(72)

Inventor

Dobroskok B.E.Kubareva N.N.Muslimov R.Kh.Jusupov I.G.Kandaurova G.F.Panarin A.T.

(73)

Holder

Dobroskok Boris Evlampievich

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

Abstract RU 2121057 C1

FIELD: oil-producing industry; may be used in cyclic waterflooding of nonuniform oil formations. SUBSTANCE: method includes cyclic injection of mixture of polymer with water into injection wells and withdrawal of products from producing wells. The next cycle of injection of mixture of polymer and water is carried out after attainment of viscosity of mixture of polymer and water equalling to that in the previous cycle. EFFECT: higher efficiency.

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RU 2 121 057 C1

Authors

Dobroskok B.E.

Kubareva N.N.

Muslimov R.Kh.

Jusupov I.G.

Kandaurova G.F.

Panarin A.T.

Dates

1998-10-27—Published

1993-07-30—Filed

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