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2 428 451

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C2

(51)

IPC

C09K8/504(2006-01-01)

(21) (22)

Application

2009143715/03, 2009-11-25

(24)

Start date

2009-11-25

(22)

Actual filing date

2009-11-25

(45)

Published

2011-09-10

(72)

Inventor

Lenchenkova Ljubov' Evgen'EvnaLenchenkov Nikita SergeevichKuznetsov Andrej Anatol'Evich

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennost'Ju

GELLING COMPOSITION Russian patent published in 2011 - IPC C09K8/504 

Abstract RU 2428451 C2

FIELD: oil and gas production.

SUBSTANCE: invention can be used for regulation of filtration flows of oil and gas flows, water production restriction in oil and gas wells, liquidation of behind-the casing flows of water and gas, shutting off separate water flooded intervals of reservoir and at overhaul of wells. Gelling composition contains wt %: slime - reject of alumina production obtained from stage of aliminate solution slime washing of composition wt %: 2CaO·SiO2 82-85; Na2O·Al2O3·2SiO2·H2O 5-8; 3CaO·Al2O3·xSiO2·(6-2x)H2O 2-3; CaCO3 3-4; 2CaO·Fe2O3 3-4; Na2O·CaO·SiO2 1-2, where x - 2-4, 5-11, hydrochloric acid (in terms of 100% dry substance) 20-50, water - the rest.

EFFECT: raised efficiency of water isolation, reduced extracted well production watering and increased oil and gas output.

3 ex, 3 tbl

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RU 2 428 451 C2

Authors

Lenchenkova Ljubov' Evgen'Evna

Lenchenkov Nikita Sergeevich

Kuznetsov Andrej Anatol'Evich

Dates

2011-09-10—Published

2009-11-25—Filed

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