COMPOSITION FOR ISOLATION OF BED WATER Russian patent published in 1996 - IPC

Abstract RU 2067157 C1

FIELD: isolating or limiting water influx in oil and gas wells. SUBSTANCE: composition contains, mass%: sodium silicate, 6-12; carbamide, 5-15; electrolyte, 0.3-1.0; water, the balance. EFFECT: higher efficiency. 2 cl, 1 tbl

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RU 2 067 157 C1

Authors

Starkova N.R.

Antipov V.S.

Rubinshtejn O.I.

Dates

1996-09-27—Published

1994-08-11—Filed