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2 087 515

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IPC

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Application

93051494/03, 1993-11-12

(22)

Actual filing date

1993-11-12

(45)

Published

1997-08-20

(72)

Inventor

Selikhanovich A.M.Chuprina G.A.Olejnikov A.N.

(73)

Holder

Volgo-Ural'Skij Nauchno-Issledovatel'Skij I Proektnyj Institut Po Dobyche I Pererabotke Serovodorodsoderzhashchikh Gazov

REAGENT FOR TREATING DRILLING FLUIDS Russian patent published in 1997 - IPC

Abstract RU 2087515 C1

FIELD: oil and gas production. SUBSTANCE: reagent contains (in wt %): polyacrylamide, 5-18; sodium hydroxide, 2.5-6.0; diethylene glycol, 5-18; water, the balance. EFFECT: modified composition for special cases. 2 tbl

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RU 2 087 515 C1

Authors

Selikhanovich A.M.

Chuprina G.A.

Olejnikov A.N.

Dates

1997-08-20—Published

1993-11-12—Filed

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