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2 019 552

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IPC

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Application

5051781/03, 1992-07-10

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Actual filing date

1992-07-10

(45)

Published

1994-09-15

(72)

Inventor

Оkunev М.S.Sergienko L.Р.Sharipov А.U.Ivanova V.А.

(73)

Holder

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

CLAYLESS DRILLING MUD FOR BREAKING HIGH-PRODUCTIVE STRATUM Russian patent published in 1994 - IPC

Abstract RU 2019552 C1

FIELD: hydraulic drilling of gaseous and oil wells. SUBSTANCE: clayless drilling mud composition contains the following ingredients, % by weight: carboxymethyl hydroxyethyl cellulose (CMHEC) 0.8-1.2; cement kiln flue dust 16.8-37.2; boric acid or sodium tetraborate 0.1-0.8 and water for the balance. EFFECT: increased sedimentation stability of drilling solution. 2 tbl

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RU 2 019 552 C1

Authors

Оkunev М.S.

Sergienko L.Р.

Sharipov А.U.

Ivanova V.А.

Dates

1994-09-15—Published

1992-07-10—Filed

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