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2 135 751

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Application

97109900/03, 1997-06-10

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Start date

1997-06-10

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Actual filing date

1997-06-10

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Published

1999-08-27

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Inventor

Pijakov G.N.Lozin E.V.Gafurov O.G.Vasilenko V.F.Luk'Janov Ju.V.Asmolovskij V.S.Sajfutdinov F.Kh.

(73)

Holder

Aktsionernaja Neftjanaja Kompanija

METHOD OF DEVELOPING OIL DEPOSIT WITH CARBONATE COLLECTOR Russian patent published in 1999 - IPC

Abstract RU 2135751 C1

FIELD: oil and gas production. SUBSTANCE: portions of extracted oil and water are injected through injection well. In particular, 4-5 portions of oil are injected, each oil injection being followed by injecting water in volume exceeding that of oil by at least 40-50 times and volume of each oil portion not exceeding 5-8% of pore space of watered bottom zone of formation. Injections of all oil and water portions are effected alternately and continuously. EFFECT: increased oil recovery and reduced water content in product. 2 dwg

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RU 2 135 751 C1

Authors

Pijakov G.N.

Lozin E.V.

Gafurov O.G.

Vasilenko V.F.

Luk'Janov Ju.V.

Asmolovskij V.S.

Sajfutdinov F.Kh.

Dates

1999-08-27—Published

1997-06-10—Filed

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