WATER INFLOW INSULATION COMPOSITION Russian patent published in 2001 - IPC

Abstract RU 2174588 C2

FIELD: oil and gas production. SUBSTANCE: composition contains, %: organosilicon compound, 40-90; metal chloride, 0.5-10; and glycol, 20-50. In particular, organosilicon compound can be represented by ethyl silicate-32, ethyl silicate-40, tetraethoxysilane, or ethyl silicate tar; metal chloride by III-VIII group metal chlorides; and glycol by triethylene glycol, diethylene glycol, butylene glycol, or mixture thereof. EFFECT: reduced corrosion activity, improved technological properties, filtration characteristics into porous media, and selectivity regarding watered zones of formation. 3 cl, 3 tbl

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RU 2 174 588 C2

Authors

Stroganov V.M.

Stroganov A.M.

Dadyka V.I.

Dates

2001-10-10—Published

1999-12-20—Filed