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2 375 558

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IPC

E21B43/22(2006-01-01)

E21B43/32(2006-01-01)

C09K8/82(2006-01-01)

(21) (22)

Application

2007137526/03, 2007-10-09

(24)

Start date

2007-10-09

(22)

Actual filing date

2007-10-09

(45)

Published

2009-12-10

(72)

Inventor

Jagafarov Alik KajumovichPavlov Nikolaj Evgen'EvichPecherkin Mikhail FedorovichPozdnjakov Anatolij Afanas'EvichLanin Nikolaj AlekseevichKleshchenko Ivan Ivanovich

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennost'Ju

METHOD OF OIL RECOVERY INCREASE IN WATERED RESERVOIRS Russian patent published in 2009 - IPC E21B43/22 E21B43/32 C09K8/82

Abstract RU 2375558 C2

FIELD: oil-and-gas production.

SUBSTANCE: invention related to oil-and-gas production, particularly to production efficiency increase. The method includes pumping into reservoir, through injection wells system, into zones around wells tall oil with filler - dispor in amount 5-10% of the tall oil and continue watering.

EFFECT: reservoir input profile aligning, oil withdrawal reservoir watering efficiency increase.

2 tbl

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RU 2 375 558 C2

Authors

Jagafarov Alik Kajumovich

Pavlov Nikolaj Evgen'Evich

Pecherkin Mikhail Fedorovich

Pozdnjakov Anatolij Afanas'Evich

Lanin Nikolaj Alekseevich

Kleshchenko Ivan Ivanovich

Dates

2009-12-10—Published

2007-10-09—Filed