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Application

2002101744/13, 2002-01-25

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Start date

2002-01-25

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Actual filing date

2002-01-25

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Published

2003-06-27

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Inventor

Krasnopevtseva N.V.Vlasov S.A.Polishchuk A.M.Kudrjashov B.M.Kagan Ja.M.Balakin V.V.Rjazanov A.P.

(73)

Holder

Polishchuk Aleksandr Mikhajlovich

COMPOSITION FOR CONTROL OF OIL DEPOSIT DEVELOPMENT Russian patent published in 2003 - IPC

Abstract RU 2207435 C1

FIELD: biotechnology in oil producing industry; applicable in development of oil reservoirs nonuniform in permeability and oil saturation. SUBSTANCE: composition includes aqueous solution of exopolysacharide produced by strain Azotobacter vinelandii (Lipman)FCh-1, VKPMV-5933 in form of culture fluid, water glass, surfactant in form of neonol AF 9-12 and hydrochloric acid with the following amounts of components, wt.%: exopolysacharide 5-20; neonol AF9-12 0.02-0.1; water glass 5- 20; hydrochloric acid 0.05-0.08; the balance, water. EFFECT: provided control of kinetics of gelling, selectively higher filtering resistance to water flow in high-permeability washer zones. 4 tbl

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RU 2 207 435 C1

Authors

Krasnopevtseva N.V.

Vlasov S.A.

Polishchuk A.M.

Kudrjashov B.M.

Kagan Ja.M.

Balakin V.V.

Rjazanov A.P.

Dates

2003-06-27—Published

2002-01-25—Filed

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