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2 507 377

(13)

(51)

IPC

E21B33/138(2006-01-01)

C09K8/508(2006-01-01)

(21) (22)

Application

2012142093/03, 2012-10-02

(24)

Start date

2012-10-02

(22)

Actual filing date

2012-10-02

(45)

Published

2014-02-20

(72)

Inventor

Kadyrov Ramzis RakhimovichKhasanova Dil'Barkhon KelamedinovnaSakhapova Al'Fija KamilevnaAndreev Vladimir AleksandrovichVashetina Elena Jur'Evna

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Imeni V.D. Shashina

METHOD OF WATER PRODUCTION ZONES ISOLATION IN WELL Russian patent published in 2014 - IPC E21B33/138 C09K8/508

Abstract RU 2507377 C1

FIELD: oil-and-gas industry.

SUBSTANCE: proposed method comprises preparation and injection into well of the mix of 100 wt % of organosilicon fluid (OSF) and 50-100 wt % of 0.5%-solution of polyacrylamide DP9-8177 with reinforcement additive composed by 0.1-1.0 wt % of fibers.

EFFECT: higher insulation capacity.

1 tbl, 1 ex

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RU 2 507 377 C1

Authors

Kadyrov Ramzis Rakhimovich

Khasanova Dil'Barkhon Kelamedinovna

Sakhapova Al'Fija Kamilevna

Andreev Vladimir Aleksandrovich

Vashetina Elena Jur'Evna

Dates

2014-02-20—Published

2012-10-02—Filed