Methods using fluid stream for selective stimulation of...

E - Fixed Constructions – 21 – B

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E21B 43/114 (2006.01) E21B 43/26 (2006.01)

Patent

CA 2679584

A technique enables stimulation of a subterranean formation. A reactive fluid is delivered downhole into a wellbore. The reactive fluid is under sufficient pressure downhole to create a jet of the reactive fluid that is directed at a specific treatment section. The jet is maintained until a localized region of enhanced permeability is created. One or more jets can be created or moved to treat a plurality of low permeability zones.

La présente invention concerne une technique qui permet la stimulation d'une formation souterraine. Un fluide réactif est distribué vers le fond dans un forage. Le fluide réactif est sous pression suffisante dans le fond pour créer un jet du fluide réactif qui est dirigé dans une section de traitement spécifique. Le jet est maintenu jusqu'à ce qu'une région localisée de perméabilité optimisée soit créée. Un ou plusieurs jets peuvent être créés ou déplacés pour traiter une pluralité de zone à faible perméabilité.

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