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Application

2001104104/13, 2001-02-15

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Start date

2001-02-15

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Actual filing date

2001-02-15

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Published

2002-12-27

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Inventor

Garejshina A.Z.Akhmetshina S.M.Lebedev N.A.Khisamov R.S.Takhautdinov Sh.F.Vajnshtejn M.B.Shesternina N.V.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Institut Po Neftepromyslovoj Khimii"

METHOD OF PRODUCING HIGH-VISCOSITY OIL Russian patent published in 2002 - IPC

Abstract RU 2195549 C2

FIELD: oil producing industry, particularly, microbiological methods of high-viscosity oil production. SUBSTANCE: method includes injection of displacement agent through injection well, withdrawal of product through producing wells, and use of thinning composition for injection. Thinning composition is used in the form of hydrocarbon-oxidizing bacteria with nutrient salts in aqueous solution with the following ratio of components, mas.%: hydrocarbon-oxidizing bacteria, 0.05-0.15; nutrient salts, 0.07-0.3; water, the balance. In preferable version, method is realized by cyclic injection of thinning composition. Technology of oil production is safe. EFFECT: reduced oil viscosity, facilitated oil recovery. 2 cl, 1 tbl

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RU 2 195 549 C2

Authors

Garejshina A.Z.

Akhmetshina S.M.

Lebedev N.A.

Khisamov R.S.

Takhautdinov Sh.F.

Vajnshtejn M.B.

Shesternina N.V.

Dates

2002-12-27—Published

2001-02-15—Filed

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