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2 097 542

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Application

95106124/03, 1995-04-18

(22)

Actual filing date

1995-04-18

(45)

Published

1997-11-27

(72)

Inventor

Khlebnikov V.N.Ganiev R.R.Lenchenkova L.E.Andreeva A.A.Adadurov Ju.N.

(73)

Holder

Nauchno-Issledovatel'Skij Institut

COMPOSITION FOR INCREASING OIL RECOVERY AND CONTROLLING PERMEABILITY OF BED Russian patent published in 1997 - IPC

Abstract RU 2097542 C1

FIELD: OIL AND GAS PRODUCTION. SUBSTANCE: composition contains polyglycerol (10-40 wt %) and exhausted caustic soda from gas scrubbing processes (60-90 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 of oil recovery from irregular deposit collectors, reduced water content in produced oil, and reduced expenses on water insulation operations. 5 tbl

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RU 2 097 542 C1

Authors

Khlebnikov V.N.

Ganiev R.R.

Lenchenkova L.E.

Andreeva A.A.

Adadurov Ju.N.

Dates

1997-11-27—Published

1995-04-18—Filed

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