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2 019 688

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Application

5057414/03, 1992-07-31

(22)

Actual filing date

1992-07-31

(45)

Published

1994-09-15

(72)

Inventor

Glushchenko V.N.Рozdeev О.V.Еrmakov О.L.Мatjashov S.V.Сhaplanov Р.Е.Izmest'Ev А.F.

(73)

Holder

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

WATER-IN-OIL EMULSION FOR TREATMENT OF BOTTOM-HOLE FORMATION ZONE Russian patent published in 1994 - IPC

Abstract RU 2019688 C1

FIELD: oil production. SUBSTANCE: water-in-oil emulsion contains mixture of mono- and di-isononyl phenoletoxyphosphoric esters (phosphol-6), aromatic hydrocarbons and solution of hydrochloric acid of 20-24% concentration, or solution of mud acid. EFFECT: reduced viscosity of emulsion, intensified rate of its reaction with carbonates at simultaneous provision of their dissolving in time, decreased term of emulsion full disintegration and conferred stabilizing ability relative to iron ions under conditions of low-temperature formations. 2 tbl

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RU 2 019 688 C1

Authors

Glushchenko V.N.

Рozdeev О.V.

Еrmakov О.L.

Мatjashov S.V.

Сhaplanov Р.Е.

Izmest'Ev А.F.

Dates

1994-09-15—Published

1992-07-31—Filed

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