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2 148 155

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Application

99122233/13, 1999-10-26

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Start date

1999-10-26

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Actual filing date

1999-10-26

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Published

2000-04-27

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Inventor

Muslimov R.Kh.Khisamov R.S.Jakovlev S.A.Matjushchenko B.E.Ibatullin R.R.Dobroskok B.E.Garifullin I.U.Valeeva G.Kh.Sidorov L.S.Kubareva N.N.Musabirov R.Kh.

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Ooo Predprijatie

METHOD OF OIL FORMATION DEVELOPMENT Russian patent published in 2000 - IPC

Abstract RU 2148155 C1

FIELD: oil-producing industry; applicable in development of oil formations nonuniform in permeability. SUBSTANCE: method includes injection through injection wells of working agent and polymer suspension. Oil is withdrawal from producing wells. If reduction of oil recovery is detected, thinning is accomplished in injection well region and additional pumping of suspension with particles sizing from 0.001 to 1.0 mcm of polymer containing from 1 to 80% of gel fraction. In this case injection is varied by steps for 10-70%. EFFECT: higher efficiency. 3 ex

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RU 2 148 155 C1

Authors

Muslimov R.Kh.

Khisamov R.S.

Jakovlev S.A.

Matjushchenko B.E.

Ibatullin R.R.

Dobroskok B.E.

Garifullin I.U.

Valeeva G.Kh.

Sidorov L.S.

Kubareva N.N.

Musabirov R.Kh.

Dates

2000-04-27—Published

1999-10-26—Filed