ISOLATION METHOD OF WATER INFLUX IN WELL Russian patent published in 2013 - IPC E21B33/138

Abstract RU 2476665 C2

FIELD: oil and gas industry.

SUBSTANCE: isolation method of water influx in a well involves preparation and pumping to the formation of suspension of powders of polymer and clay component in hydrocarbon liquid-carrier. Besides, suspension also contains 1-5 wt % of chemically modified disperse silica with a view to liquid-carrier, and namely "Kvarts" MDK product.

EFFECT: increasing water influx isolation efficiency.

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RU 2 476 665 C2

Authors

Sultanov Il'Mir Karamovich

Sagidullin Ildus Abudasovich

Blinov Sergej Alekseevich

Dates

2013-02-27—Published

2010-07-19—Filed