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2 071 552

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C1

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IPC

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Application

93027092/03, 1993-05-14

(22)

Actual filing date

1993-05-14

(45)

Published

1997-01-10

(72)

Inventor

Votintseva E.F.Ziatdinov K.Sh.

(73)

Holder

Tatarskij Gosudarstvennyj Nauchno-Issledovatel'Skij I Proektnyj Institut Neftjanoj Promyshlennosti

METHOD FOR ISOLATION OF NONUNIFORM OIL STRATUM Russian patent published in 1997 - IPC

Abstract RU 2071552 C1

FIELD: oil and gas industry. SUBSTANCE: isolation of high-permeable watered interlayers in oil stratum to prevent water inflow to production well is performed by pumping oil dispersion into stratum. Used in this dispersion as high molecular components are petroleum sludge-wastes left in result of collection, transportation and processing of oil. EFFECT: high efficiency. 4 tbl

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RU 2 071 552 C1

Authors

Votintseva E.F.

Ziatdinov K.Sh.

Dates

1997-01-10—Published

1993-05-14—Filed

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