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2 097 541

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Application

95102019/03, 1995-02-10

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Actual filing date

1995-02-10

(45)

Published

1997-11-27

(72)

Inventor

Khlebnikov V.N.Ganiev R.R.Jakimenko G.Kh.Andreeva A.A.Bikbova A.A.Adadurov Ju.N.Darintsev O.V.Sirotinskij A.S.

(73)

Holder

Nauchno-Issledovatel'Skij Institut

COMPOSITION FOR CONTROLLING PERMEABILITY OF BED AND INSULATING FORMATION WATER Russian patent published in 1997 - IPC

Abstract RU 2097541 C1

FIELD: oil and gas production. SUBSTANCE: composition contains polyethylene glycols (5-40 wt %) and exhausted alkali (60-95 wt %). The latter contains at least 5 wt % sodium hydroxide and/or sodium carbonate and has pH 10. Composition can be applied in the middle and late stages of oil deposit development. EFFECT: enhanced efficiency and reduced cost of composition. 8 tbl

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RU 2 097 541 C1

Authors

Khlebnikov V.N.

Ganiev R.R.

Jakimenko G.Kh.

Andreeva A.A.

Bikbova A.A.

Adadurov Ju.N.

Darintsev O.V.

Sirotinskij A.S.

Dates

1997-11-27—Published

1995-02-10—Filed

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