REAGENT FOR TREATING HIGHLY MINERALIZED MUD Russian patent published in 1997 - IPC

Abstract RU 2084487 C1

FIELD: technology of drilling well and designed for preparing highly mineralized muds. SUBSTANCE: reagent comprises, wt.-%: carboxymethyl cellulose, 10-12; alkali, 1.25-1.50; epichlorohydrin, 1.0-2.1; carbamide, 0.8-1.4; and water, the balance. EFFECT: improved property of the mud. 1 tbl

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RU 2 084 487 C1

Authors

Kazanskij V.V.

Bragina O.A.

Sukmanskij O.B.

Nizovtsev V.P.

Jakovleva N.T.

Dates

1997-07-20—Published

1994-11-08—Filed