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2 068 948

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C1

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IPC

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Application

4879932/03, 1990-11-06

(22)

Actual filing date

1990-11-06

(45)

Published

1996-11-10

(72)

Inventor

Verderevskij Ju.L.Sevast'Janov V.A.Borisova N.Kh.Fridman G.B.Khabirov R.A.Sokolova M.F.Kurkov V.L.

(73)

Holder

Nauchno-Proizvodstvennoe Ob"Edinenie Po Khimizatsii Tekhnologicheskikh Protsessov V Neftjanoj Promyshlennosti

METHOD FOR TREATING STRATA FACE ZONE Russian patent published in 1996 - IPC

Abstract RU 2068948 C1

FIELD: oil production. SUBSTANCE: surface-active substance is pumped in hydrocarbon liquid strata. Mixture of ethoxy alkylphenol with extent of ethoxy equal to 6 and 12, APh9-6,, APh9-12 with ratio of weights from 1:5 to 5: 1 is used as surface-active substance. Aromatic dissolver is added to the surface-active substance and hydrocarbon liquid with ration 1:1 to 5:1. Total concentration of the surface-active substance is 1.0 - 5.0 per cent by weight. EFFECT: higher productivity. 1 tbl

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RU 2 068 948 C1

Authors

Verderevskij Ju.L.

Sevast'Janov V.A.

Borisova N.Kh.

Fridman G.B.

Khabirov R.A.

Sokolova M.F.

Kurkov V.L.

Dates

1996-11-10—Published

1990-11-06—Filed

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