COMPOUND FOR ISOLATION OF WATER-BEARING STRATUM Russian patent published in 1998 - IPC

Abstract RU 2102593 C1

FIELD: oil and gas production industry. SUBSTANCE: this is used for isolating or limiting water inflow to wells and absorbing zones both in terrigenous and carbonate reservoirs and for levelling profile of injectivity in injection wells. Compound contains water-soluble polymer of acrylic line, sodium silicate, gel-formation regulator, filler and water. Used as filler is saw-dust plasticized by carbamide, for example waste of destame production with density of 1.15-1.25 g/cu.cm. EFFECT: high efficiency. 2 tbl

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RU 2 102 593 C1

Authors

Ajduganov V.M.

Starshov M.I.

Dates

1998-01-20—Published

1995-12-19—Filed