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Application

2000130240/13, 2000-12-05

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Start date

2000-12-05

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Actual filing date

2000-12-05

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Published

2002-02-20

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Inventor

Vlasov S.A.Krasnopevtseva N.V.Balakin V.V.Polishchuk A.M.Kagan Ja.M.Kudrjashov B.M.Baskov V.N.Pravednikov N.K.Masljantsev Ju.V.

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Holder

Zao

METHOD OF PREPARING COMPOSITION TO CONTROL DEVELOPMENT OF OIL DEPOSITS Russian patent published in 2002 - IPC

Abstract RU 2179630 C1

FIELD: oil and gas production. SUBSTANCE: starch is diluted in water in amount 1 to 10 wt %. Resulting solution is heated and maintained at 85-95 C for 45-70 min, after which solution is cooled to room temperature and then 0.005 to 1.5% of polymer solution, produced by Azotobacter vinelandii (Lipman) in the form of cultural liquid, is added. Use of this composition increase leveling of the intake capacity profile of injectors by 2 times in average. Presence of mineralized water on well is favorable. EFFECT: increased efficiency of waterproofing operations. 2 tbl

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RU 2 179 630 C1

Authors

Vlasov S.A.

Krasnopevtseva N.V.

Balakin V.V.

Polishchuk A.M.

Kagan Ja.M.

Kudrjashov B.M.

Baskov V.N.

Pravednikov N.K.

Masljantsev Ju.V.

Dates

2002-02-20—Published

2000-12-05—Filed

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