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2 012 585

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Application

4948344/03, 1991-06-24

(22)

Actual filing date

1991-06-24

(45)

Published

1994-05-15

(72)

Inventor

Sharipov A.U.Dolganskaja S.I.Zemtsova O.A.Katin K.K.Konstantinov V.M.

(73)

Holder

Zapadno-Sibirskij Nauchno-Issledovatel'Skij I Proektno-Konstruktorskij Institut Tekhnologii Glubokogo Razvedochnogo Burenija

DRILLING FLUID Russian patent published in 1994 - IPC

Abstract RU 2012585 C1

FIELD: drilling. SUBSTANCE: drilling fluid has, wt. -% : clay 5-10; polyacrylonitrile 0.1-0.3; polyacrylamide 0.01-0.2, and water. EFFECT: enhanced insulating and reducing power of drilling fluid.

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RU 2 012 585 C1

Authors

Sharipov A.U.

Dolganskaja S.I.

Zemtsova O.A.

Katin K.K.

Konstantinov V.M.

Dates

1994-05-15—Published

1991-06-24—Filed

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