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2 341 651

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IPC

E21B43/22(2006-01-01)

C09K8/60(2006-01-01)

C09K8/84(2006-01-01)

(21) (22)

Application

2007115315/03, 2007-04-11

(24)

Start date

2007-04-11

(22)

Actual filing date

2007-04-11

(45)

Published

2008-12-20

(72)

Inventor

Margulis Boris JakovlevichLuk'Janov Oleg VladimirovichGrigor'Eva Nadezhda PetrovnaRomanov Gennadij Vasil'EvichLebedev Nikolaj AlekseevichKhlebnikov Valerij NikolaevichAl'Fonsov Vladimir AlekseevichPunegova Ljudmila NikolaevnaSinjashin Oleg Gerol'Dovich

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Institut Po Neftepromyslovoj Khimii"

METHOD OF DEVELOPMENT OF WATER-FLOODED DEPOSIT WITH RESERVOIRS OF NON-UNIFORM PERMEABILITY Russian patent published in 2008 - IPC E21B43/22 C09K8/60 C09K8/84

Abstract RU 2341651 C1

FIELD: oil and gas industry.

SUBSTANCE: method of development of water-flooded deposit with reservoirs of non-uniform permeability consists in pumping into reservoir water solution of hydroxychloride aluminium - waste of production of benzene alkylation with olefins - with successive pressurising of displacement agent, in introducing of oxyethylidendiphosphonic acid at amount of 0.025-0.1% into 15-30% water solution of hydroxychloride aluminium -waste of production of benzene alkylation with olefins.

EFFECT: upgraded efficiency of oil displacement due to formation of water insulating screen in water saturated - washed up zone of reservoir at considerable distance from bottom hole of well.

1 tbl, 10 ex

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RU 2 341 651 C1

Authors

Margulis Boris Jakovlevich

Luk'Janov Oleg Vladimirovich

Grigor'Eva Nadezhda Petrovna

Romanov Gennadij Vasil'Evich

Lebedev Nikolaj Alekseevich

Khlebnikov Valerij Nikolaevich

Al'Fonsov Vladimir Alekseevich

Punegova Ljudmila Nikolaevna

Sinjashin Oleg Gerol'Dovich

Dates

2008-12-20—Published

2007-04-11—Filed