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2 068 082

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C1

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IPC

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Application

4823510/03, 1990-05-07

(22)

Actual filing date

1990-05-07

(45)

Published

1996-10-20

(72)

Inventor

Barminov V.N.Sharifullin I.L.Starshov I.M.Krupin S.V.Akhmetshin M.A.

(73)

Holder

Maloe Vnedrencheskoe PredprijatieBarminov Vasilij Nikolaevich

METHOD FOR DEVELOPMENT OF NONUNIFORM PERMEABLE OIL FORMATION Russian patent published in 1996 - IPC

Abstract RU 2068082 C1

FIELD: oil producing industry. SUBSTANCE: injection prior to injection of water into formation, is byproduct of production of individual glycols, with density of 1.14-1.2 g/cu.cm with the following amount of components, mas. %: diethyleneglycol 8-12; monoethyleneglycol 4-6; triethyleneglycol 40-44; penteethyleneglycol 5-10; resin up to 4 in the volume of 10-50% of volume of injected aqueous solution of sodium silicate with concentration of 5-30%. EFFECT: higher efficiency. 1 tbl

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RU 2 068 082 C1

Authors

Barminov V.N.

Sharifullin I.L.

Starshov I.M.

Krupin S.V.

Akhmetshin M.A.

Dates

1996-10-20—Published

1990-05-07—Filed

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