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2 046 180

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C1

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IPC

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Application

5057413/03, 1992-07-01

(22)

Actual filing date

1992-07-01

(45)

Published

1995-10-20

(72)

Inventor

Kovalenko P.V.Sharipov A.M.Slivnev V.L.Akhmetov A.A.Shishkin A.P.

(73)

Holder

Individual'Noe Chastnoe Predprijatie

PLUGGING COMPOSITION FOR INSULATING PENETRABLE STRATA Russian patent published in 1995 - IPC

Abstract RU 2046180 C1

FIELD: well drilling. SUBSTANCE: plugging composition for insulating penetrable strata comprises (per cent by weight): 4.0 20 sterene and maleic anhydride copolymer (steromal); 0.2 2.0 nonionogenic surface/active substance (NSAS); and the balance being acetone. OP-7, OP-10, prevocel may be used as NSAS. NSAS and stiromal are dissolved in acetone in series. EFFECT: increased insulating capability in conditions of waterbearing collectors and may be used in repair/insulating operations in oil and gas wells. 1 tbl

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RU 2 046 180 C1

Authors

Kovalenko P.V.

Sharipov A.M.

Slivnev V.L.

Akhmetov A.A.

Shishkin A.P.

Dates

1995-10-20—Published

1992-07-01—Filed

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