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(19)

RU

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2 581 070

(13)

C1

(51)

IPC

E21B43/22(2006-01-01)

C09K8/60(2006-01-01)

(21) (22)

Application

2015105688/03, 2015-02-19

(24)

Start date

2015-02-19

(22)

Actual filing date

2015-02-19

(45)

Published

2016-04-10

(72)

Inventor

Muljak Vladimir Vitalevich

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennostju

USING TITANIUM COAGULANT FOR TREATMENT OF WATER-FLOODED OIL RESERVOIR Russian patent published in 2016 - IPC E21B43/22 C09K8/60 

Abstract RU 2581070 C1

FIELD: oil and gas industry.

SUBSTANCE: invention relates to oil industry, in particular, to methods of controlling coverage of oil reservoirs flooding, and can be used in development of non-uniform permeability and oil saturation of oil deposit or in case of progressing water cut of extracted fluid. Using coagulant, obtained from titanium-containing ore leucoxene, in form of its 1-30 % aqueous suspension for treatment of water-flooded oil formation by pumping it in said oil formation. Invention is developed in depending claims.

EFFECT: high filtration resistances in high-conductivity channels of porous medium that leads to change of hydrodynamic flows and redistribution of injected water, alignment of heterogeneity of formation permeability, elimination of development of flooded high-permeability zones, due to increase of coverage of beds flooding and oil recovery.

3 cl, 1 ex

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RU 2 581 070 C1

Authors

Muljak Vladimir Vitalevich

Dates

2016-04-10—Published

2015-02-19—Filed

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