Method of fracturing a coalbed gas reservoir

Details Method of fracturing a coalbed gas reservoir Method of fracturing a coalbed gas reservoir

E - Fixed Constructions

21

B

E21B 43/26 (2006.01) C09K 8/74 (2006.01) E21B 43/00 (2006.01) E21F 7/00 (2006.01)

Patent

CA 2646698

A method for stimulation of gas production from coal seams is described using a permeability modifier, such as a coal swelling agent, injected into the coal seams via a wellbore to reduce the permeability of the coal seams prior to a fracturing treatment.

L'invention concerne un procédé de stimulation de production de gaz à partir de veines de charbon utilisant un modificateur de perméabilité, tel qu'un agent de gonflement de charbon, injecté dans les veines de charbon via un puit pour réduire la perméabilité des veines de charbon avant un traitement de fracturation.

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