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2 070 287

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Application

94025398/03, 1994-07-05

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Actual filing date

1994-07-05

(45)

Published

1996-12-10

(72)

Inventor

Moskvin V.D.Starkovskij A.V.Gorbunov A.T.Bokserman A.A.Matveev K.L.Gumerskij Kh.Kh.Galeev F.Kh.

(73)

Holder

Vserossijskij Neftegazovyj Nauchno-Issledovatel'Skij Institut

METHOD FOR TREATMENT OF PRODUCING WELL BOTTOM-HOLE FORMATION ZONE Russian patent published in 1996 - IPC

Abstract RU 2070287 C1

FIELD: oil producing industry. SUBSTANCE: method for treatment of producing well of location and intake capacity of the oil inflow zone and water inflow zone. Ratio of injection flow rate is determined by the ratio of intake capacity of these zones. Acid-containing agent is injected. Successively injected into oil inflow zone water is water removing agent, hydrocarbon solution of water-repellent based on cationic surfactant and displacing fluid. Injected simultaneously into water inflow zone is spacer fluid, water repellent based on organosilicon substance and displacing fluid. Upon completion of injection, some time is taken for technological holding. EFFECT: higher efficiency. 2 cl

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RU 2 070 287 C1

Authors

Moskvin V.D.

Starkovskij A.V.

Gorbunov A.T.

Bokserman A.A.

Matveev K.L.

Gumerskij Kh.Kh.

Galeev F.Kh.

Dates

1996-12-10—Published

1994-07-05—Filed

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