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2 069 256

(13)

C1

(51)

IPC

(21) (22)

Application

93057148/03, 1993-12-23

(22)

Actual filing date

1993-12-23

(45)

Published

1996-11-20

(72)

Inventor

Molchan Iraida AleksandrovnaKucherov Vladimir Georgievich

(73)

Holder

Molchan Iraida AleksandrovnaKucherov Vladimir Georgievich

THICKENING AGENT OF INSULATING COMPOUNDS IN WELL DRILLING AND OPERATION Russian patent published in 1996 - IPC

Abstract RU 2069256 C1

FIELD: oil producing industry. SUBSTANCE: thickening agent is powdery polymer (copolymer of acids of acrylic series with 4-40% hydrolysis treated with ionizing radiation with absorbed dose of 0.5-3.0 MPad. Thickening agent may additionally contain substances inhibiting polymer aging. EFFECT: higher efficiency. 2 cl, 1 tbl

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RU 2 069 256 C1

Authors

Molchan Iraida Aleksandrovna

Kucherov Vladimir Georgievich

Dates

1996-11-20—Published

1993-12-23—Filed

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