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2 154 160

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Application

99114709/03, 1999-07-05

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Start date

1999-07-05

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Actual filing date

1999-07-05

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Published

2000-08-10

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Inventor

Simaev Ju.M.Bazekina L.V.Tukhteev R.M.Kondrov V.V.Tujgunov M.R.Kalinskij B.A.Merzljakov V.F.Volochkov N.S.Popov A.M.

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Holder

Otkrytoe Aktsionernoe Obshchestvo Aktsionernaja Neftjanaja Kompanija

METHOD OF OIL DEPOSIT DEVELOPMENT Russian patent published in 2000 - IPC

Abstract RU 2154160 C1

FIELD: oil-producing industry, particularly, methods of regulation of deposit development under conditions of nonuniformity in formation permeability. SUBSTANCE: method includes injection of aqueous solution of biological surfactant KShAS-M in mixture with hydrocarbon solvent of nefras type and bentonite clay with weight ratio of 1:1:(0.1-0.2), respectively. Injection is carried out through injection well and oil recovery through producing well. EFFECT: higher oil recovery factor and efficient development of oil deposits at late stage. 2 cl, 1 tbl, 3 ex

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RU 2 154 160 C1

Authors

Simaev Ju.M.

Bazekina L.V.

Tukhteev R.M.

Kondrov V.V.

Tujgunov M.R.

Kalinskij B.A.

Merzljakov V.F.

Volochkov N.S.

Popov A.M.

Dates

2000-08-10—Published

1999-07-05—Filed

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