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2 065 954

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IPC

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Application

94004045/03, 1994-02-04

(22)

Actual filing date

1994-02-04

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Published

1996-08-27

(72)

Inventor

Stepanova G.S.Babaeva I.A.Mosina A.A.Popovkin V.A.Gukovskij I.V.Golovanov P.K.

(73)

Holder

Vserossijskij Neftegazovyj Nauchno-Issledovatel'Skij Institut

METHOD OF PREVENTING GAS CONE FORMATION IN PRODUCTIVE WELL Russian patent published in 1996 - IPC

Abstract RU 2065954 C1

FIELD: oil and gas production. SUBSTANCE: working fluid, which is crude oil with added oil-soluble polymer and/or 0.01-5 wt % of a surfactant, is pumped in into the well in amount corresponding to gas cone height. Then water is additionally pumped in at a ratio from 1:0.3 to 1:15. The pumped-in water may contain 0.01-5.0 wt % of a water-soluble surfactant. EFFECT: increased reliability in preventing gas cone formation.

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RU 2 065 954 C1

Authors

Stepanova G.S.

Babaeva I.A.

Mosina A.A.

Popovkin V.A.

Gukovskij I.V.

Golovanov P.K.

Dates

1996-08-27—Published

1994-02-04—Filed

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