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2 129 657

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Application

97109277/03, 1997-05-28

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Actual filing date

1997-05-28

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Published

1999-04-27

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Inventor

Jakimenko G.Kh.Davydov V.P.Jagafarov Ju.N.Mukhtarov Ja.G.Gafurov O.G.Galljamov I.I.Iljukov V.A.Gabdrakhmanov N.Kh.Nazmiev I.M.Borota L.P.Volochkov N.S.Popov A.M.Khisaeva D.A.Luk'Janov Ju.V.Vasilenko V.F.

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Holder

Aktsionernaja Neftjanaja Kompanija

METHOD OF RECOVERY OF RESIDUAL OIL FROM FORMATION Russian patent published in 1999 - IPC

Abstract RU 2129657 C1

FIELD: oil producing industry, in particular, methods of recovery of residual oil from nonuniform reservoirs. SUBSTANCE: method includes successive injection of liquid hydrocarbon and water with surfactant. Use of wastes of oil treatment containing 0.5-25% of suspended particles in the capacity of liquid hydrocarbons makes it possible to increase the technology efficiency by factor of 2 and above with reduced economic expenditures and useful utilization of byproducts of oil recovery. Injection of liquid solution of asphalt-resin-paraffin deposits and water with surfactant into injection well results in reduction of water cutting of well production by 9-15%, and increase of oil recovery by 3-6 t/day, and additional oil recovery for 6 months amounting up to 809 t. EFFECT: increased degree of recovery of residual oil from nonuniform oil reservoirs. 1 tbl

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RU 2 129 657 C1

Authors

Jakimenko G.Kh.

Davydov V.P.

Jagafarov Ju.N.

Mukhtarov Ja.G.

Gafurov O.G.

Galljamov I.I.

Iljukov V.A.

Gabdrakhmanov N.Kh.

Nazmiev I.M.

Borota L.P.

Volochkov N.S.

Popov A.M.

Khisaeva D.A.

Luk'Janov Ju.V.

Vasilenko V.F.

Dates

1999-04-27—Published

1997-05-28—Filed

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