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2 005 762

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C1

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Application

5041921/03, 1992-05-13

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Actual filing date

1992-05-13

(45)

Published

1994-01-15

(72)

Inventor

Zijatdinov I.Kh.Valeeva T.G.Verderevskij Ju.L.Aref'Ev Ju.N.Reshetov P.P.Khakimzjanova M.M.

(73)

Holder

Nauchno-Issledovatel'Skij I Proektnyj Institut Po Neftepromyslovoj Khimii NpoGosudarstvennoe Nauchno-Proizvodstvennoe I Stroitel'Noe Predprijatie

COMPOUND FOR PREPARATION OF PROCESS LIQUIDS Russian patent published in 1994 - IPC

Abstract RU 2005762 C1

FIELD: oil and gas industry. SUBSTANCE: reduction of compound congealing temperature, depth of its penetration into bed and its thermal stability during injection into hole bottom zone of well with high bed temperatures are achieved by preparing process liquids such as, mass % : water-soluble calcium salt, 12.5-43.5; free ammonia, 0.2-2.0; process lignosulfonate or neutral sulfite waste lye, 5.0-25.0; water, the balance. EFFECT: higher efficiency. 1 tbl

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RU 2 005 762 C1

Authors

Zijatdinov I.Kh.

Valeeva T.G.

Verderevskij Ju.L.

Aref'Ev Ju.N.

Reshetov P.P.

Khakimzjanova M.M.

Dates

1994-01-15—Published

1992-05-13—Filed

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