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2 287 675

(13)

(51)

IPC

E21B43/16(2006-01-01)

(21) (22)

Application

2005132505/03, 2005-10-21

(24)

Start date

2005-10-21

(22)

Actual filing date

2005-10-21

(45)

Published

2006-11-20

(72)

Inventor

Khisamov Rais SalikhovichKhusainov Vasil MukhametovichKhaminov Nikolaj IvanovichFajzullin Rasikh NafisovichAkhmetzjanov Radik Gil'MullovichNazimov Nafis AnasovichGabdullin Rafagat GabtelvalievichVil'Danov Alik Almazovich

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Im. V.D. Shashina

METHOD FOR EXTRACTING OIL DEPOSIT Russian patent published in 2006 - IPC E21B43/16

Abstract RU 2287675 C1

FIELD: oil industry, possible use for extracting oil deposit in natural mode of extraction.

SUBSTANCE: in accordance to method, as extractive wells, curvilinear horizontal wells branching in horizontal plane are used. Oil is extracted cyclically by stopping and launching all extracting wells. When wells are launched, extraction of oil is continued until current bed pressure drops to 60-80% of original value, and stopping of wells is performed until current bed pressure is restored to 70-90% of original value.

EFFECT: increased oil yield of deposit.

1 ex, 1 dwg

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RU 2 287 675 C1

Authors

Khisamov Rais Salikhovich

Khusainov Vasil Mukhametovich

Khaminov Nikolaj Ivanovich

Fajzullin Rasikh Nafisovich

Akhmetzjanov Radik Gil'Mullovich

Nazimov Nafis Anasovich

Gabdullin Rafagat Gabtelvalievich

Vil'Danov Alik Almazovich

Dates

2006-11-20—Published

2005-10-21—Filed