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2 473 794

(13)

(51)

IPC

E21B43/20(2006-01-01)

(21) (22)

Application

2012111156/03, 2012-03-26

(24)

Start date

2012-03-26

(22)

Actual filing date

2012-03-26

(45)

Published

2013-01-27

(72)

Inventor

Khisamov Rais SalikhovichSalikhov Ilgiz MisbakhovichSajfutdinov Marat AkhmetzievichKormukhin Vladimir AleksandrovichKuznetsov Aleksandr Nikolaevich

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Im. V.D. Shashina

OIL DEPOSIT DEVELOPMENT METHOD Russian patent published in 2013 - IPC E21B43/20

Abstract RU 2473794 C1

FIELD: oil and gas industry.

SUBSTANCE: according to the method, when oil deposit is being developed, working fluid is pumped through injection wells and product is extracted through vertical and horizontal production wells with an uprising shaft. Horizontal wells with the uprising shaft are made of one cluster in the form of a fan; lower part of each well is arranged at the distance of 7-10 m above the boundary between oil saturation zone and residual oil saturation; wells are made with an open shaft in productive formation zone.

EFFECT: increasing oil recovery of deposit.

1 ex, 2 dwg

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RU 2 473 794 C1

Authors

Khisamov Rais Salikhovich

Salikhov Ilgiz Misbakhovich

Sajfutdinov Marat Akhmetzievich

Kormukhin Vladimir Aleksandrovich

Kuznetsov Aleksandr Nikolaevich

Dates

2013-01-27—Published

2012-03-26—Filed