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

Abstract RU 2102594 C1

FIELD: oil and gas production industry. SUBSTANCE: this can be used for isolation or limiting water inflow to wells and absorption 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 silicate, water, and filler in the form of saw-dust plasticized with carbamide and magnium saw-dust in mass ration of 2:1-20:1. EFFECT: high efficiency. 1 tbl

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RU 2 102 594 C1

Authors

Ajduganov V.M.

Starshov M.I.

Dates

1998-01-20—Published

1996-03-06—Filed