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2 103 492

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IPC

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Application

97109048/03, 1997-05-29

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Actual filing date

1997-05-29

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Published

1998-01-27

(72)

Inventor

Khisamov R.S.Taziev M.Z.Frolov A.I.Rjabov I.I.

(73)

Holder

Neftegazodobyvajushchee Upravlenie Ao

METHOD FOR DEVELOPMENT OF OIL DEPOSIT Russian patent published in 1998 - IPC

Abstract RU 2103492 C1

FIELD: oil production industry. SUBSTANCE: according to method, oil is recovered through producing wells, and working agent is injected through injection well. Injected through injection well are first solution of surface-active matter, wide fraction of light hydrocarbons and second solution of surface-active matter. First solution of surface-active matter is injected at gradually reduced injection pressure and at retention of well injectivity. Wide fraction of light hydrocarbons is injected at steady-state operation mode. Injected amounts of first solution of surface-active matter, wide fraction of light hydrocarbons and second solution of surface-active matter are respectively equal to 0.2-0.6, 3-6, 0.01-0.05% of porous volume of bed. EFFECT: high efficiency. 1 cl

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RU 2 103 492 C1

Authors

Khisamov R.S.

Taziev M.Z.

Frolov A.I.

Rjabov I.I.

Dates

1998-01-27—Published

1997-05-29—Filed

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