COMPOSITION FOR INSULATING FORMATION WATER INFLOW IN OIL WELLS Russian patent published in 2003 - IPC

Abstract RU 2199647 C2

FIELD: oil and gas production. SUBSTANCE: composition to be injected into formation during repair and insulation operations or to prevent water inrush, or to reduce watering of product contains 16.0-50.0 wt.% oligoorganoethoxy(chloro)siloxanes, 0.1-5.0 wt.% water-oil-soluble nonionic surfactant or 1: 1 mixture of water- and oil-soluble nonionic surfactants, and hydrocarbon diluent, to 100%. EFFECT: prevented water inrush over high-permeable zones and cracks and increased oil inflow from oil-saturated portions of reservoir. 2 cl, 2 ex

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RU 2 199 647 C2

Authors

Shpurov I.V.

Mazaev V.V.

Abaturov S.V.

Dates

2003-02-27—Published

2001-01-03—Filed