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2 196 883

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Application

2000111874/03, 2000-05-12

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Start date

2000-05-12

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Actual filing date

2000-05-12

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Published

2003-01-20

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Inventor

Selimov F.A.Khajredinov N.Sh.Kachin V.A.Kustov N.I.Kuzin S.L.Telin A.G.Blinov S.A.Chuprov N.M.Nechaeva O.E.

(73)

Holder

Institut Neftekhimii I Kataliza An Rb I Unts RanNii

COMPOSITION FOR INCREASING OIL RECOVERY Russian patent published in 2003 - IPC

Abstract RU 2196883 C2

FIELD: oil producing industry; applicable for increasing oil recovery from formations by their waterflooding in primary and secondary stimulations of formations and in shutoff of water inflows to oil wells, and for regulation of filtration flows in oil formations. SUBSTANCE: composition for increasing oil recovery containing aluminum chloride, carbamide, phosphoric acid and water, additionally has zinc chloride with the following ratio of components, mas. %: aluminum chloride, 10-15; zinc chloride, 10-15; carbamide, 35-55; phosphoric acid. 1.0-8.0; water, the balance. EFFECT: formation of strong gels, extended temperature range of application, reduced corrosion attack on oil field equipment. 2 tbl

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RU 2 196 883 C2

Authors

Selimov F.A.

Khajredinov N.Sh.

Kachin V.A.

Kustov N.I.

Kuzin S.L.

Telin A.G.

Blinov S.A.

Chuprov N.M.

Nechaeva O.E.

Dates

2003-01-20—Published

2000-05-12—Filed

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