WELL KILLING COMPOSITION Russian patent published in 2009 - IPC C09K8/42 

Abstract RU 2350641 C2

FIELD: chemistry.

SUBSTANCE: invention can be used in oil industry for well killing. Well killing and finishing composition contains mineral base that is sylvinite ore derivative, and stabiliser of payout bed collecting properties that is multipurpose composition Axis. Invention is developed in dependent clause.

EFFECT: reduced time for well development in post-repair period, enhanced watering prevention, maintained or improved well yield.

2 cl

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RU 2 350 641 C2

Authors

Kondrashev Petr Ivanovich

Ehntenteev Al'Taf Zinatullovich

Kirillin Viktor Ivanovich

Ashigjan Dmitrij Grigor'Evich

Dates

2009-03-27Published

2007-03-14Filed