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2 196 223

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IPC

(21) (22)

Application

2002104005/12, 2002-02-13

(24)

Start date

2002-02-13

(22)

Actual filing date

2002-02-13

(45)

Published

2003-01-10

(72)

Inventor

Starkova N.R.Bodrjagin A.V.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Kompanija

INVERTED OIL EMULSION Russian patent published in 2003 - IPC

Abstract RU 2196223 C1

FIELD: oil refining industry, particularly, isolation of oil formation and oil well killing; applicable in development of oil deposits at any stage of operation. SUBSTANCE: emulsion contains the following ratio of components, wt. %: liquid hydrocarbon, 36-57; emulsifier, 2-6; electrolyte, 5-20; thickener-stabilizer, 0.2-0.1; water, the balance. Thickener-stabilizer is used in the form of polymer of polyacrylamide class or cellulose ether. Electrolyte is used as chlorides of alkali or alkaline-earth metals. EFFECT: improved process parameters of emulsion. 3 cl, 1 tbl

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RU 2 196 223 C1

Authors

Starkova N.R.

Bodrjagin A.V.

Dates

2003-01-10—Published

2002-02-13—Filed

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