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2 070 280

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C1

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IPC

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Application

4840752/03, 1990-06-18

(22)

Actual filing date

1990-06-18

(45)

Published

1996-12-10

(72)

Inventor

Tul'Bovich B.I.Mikhnevich V.G.Kazakova L.V.Kozhevskikh V.I.

(73)

Holder

Permskij Gosudarstvennyj Nauchno-Issledovatel'Skij I Proektnyj Institut Neftjanoj Promyshlennosti

COMPOSITION FOR FLOODING CRUDE OIL STRATUM Russian patent published in 1996 - IPC

Abstract RU 2070280 C1

FIELD: oil and gas production. SUBSTANCE: composition exhibiting high oil-displacing property contains (in wt %): technical-grade lignosulfonates 0.1- 1.0, alkylarylsulfonate-based synthetic detergent 0.3-0.4, alkali (hydroxide-containing additive) 0.05-0.1, and water to the balance. EFFECT: enhanced efficiency of crude oil extraction. 2 tbl

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RU 2 070 280 C1

Authors

Tul'Bovich B.I.

Mikhnevich V.G.

Kazakova L.V.

Kozhevskikh V.I.

Dates

1996-12-10—Published

1990-06-18—Filed

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