Method for treating underground formations or cavities with...

E - Fixed Constructions – 21 – B

Patent

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E21B 43/02 (2006.01) C09K 17/18 (2006.01)

Patent

CA 2577940

The invention concerns a method for treating porous and permeable underground formations or cavities, of the reservoir rock or backfill type. The method consists in injecting a liquid composition comprising microgels into the formations so as to reduce production of water, gas or sand, and/or zone abandonment.

La présente invention concerne une méthode de traitement de formations ou de cavités souterraines poreuses et perméables, de types roche réservoir ou remblais. La méthode consiste en l'injection d'une composition liquide comportant des microgels dans les formations dans le but de réduire la production d'eau, de gaz ou de sables, et/ou pour l'abandon de zones.

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