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2 097 548

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C1

(51)

IPC

(21) (22)

Application

96102796/03, 1996-02-13

(22)

Actual filing date

1996-02-13

(45)

Published

1997-11-27

(72)

Inventor

Zajnetdinov T.I.Telin A.G.Latypov A.R.Ismagilov T.A.Khisamutdinov N.I.Akhmetshin I.D.

(73)

Holder

Nauchno-Proizvodstvennoe Ob"Edinenie

COMPOSITION FOR TREATING WELLS AND INSULATING HIGH-WASHED REGIONS OF BED AND METHOD OF PREPARATION THEREOF Russian patent published in 1997 - IPC

Abstract RU 2097548 C1

FIELD: oil and gas production. SUBSTANCE: composition contains (in wt %): bentonite clay, 3.0; alkyl- substituted hexamethylenetetramine hydrochloride, 0.1-0.5; still residue from synthetic glycerol production or alkali, 0.1-0.5; and water, the balance. Composition is prepared by stirring bentonite clay with aqueous solution of additives to form homogeneous suspension, where, as additives, above-mentioned ingredients in corresponding amounts are utilized. EFFECT: improved performance characteristics. 2 cl, 6 tbl

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RU 2 097 548 C1

Authors

Zajnetdinov T.I.

Telin A.G.

Latypov A.R.

Ismagilov T.A.

Khisamutdinov N.I.

Akhmetshin I.D.

Dates

1997-11-27—Published

1996-02-13—Filed

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