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2 042 697

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C1

(51)

IPC

(21) (22)

Application

5051998/03, 1992-07-10

(22)

Actual filing date

1992-07-10

(45)

Published

1995-08-27

(72)

Inventor

Sharipov A.U.Dolganskaja S.I.

(73)

Holder

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

METHOD OF UTILIZATION OF SPENT CLAY DRILLING LIQUID Russian patent published in 1995 - IPC

Abstract RU 2042697 C1

FIELD: oil and gas mining industry. SUBSTANCE: method involves addition of hardener plugging liquid containing cement and cement dust at the ratio of cement phase to the clay phase of drilling liquid 2.25-15.7, respectively. EFFECT: improved method of drilling liquid utilization. 1 tbl

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RU 2 042 697 C1

Authors

Sharipov A.U.

Dolganskaja S.I.

Dates

1995-08-27—Published

1992-07-10—Filed

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