Coal bed methane recovery

Details Coal bed methane recovery Coal bed methane recovery

E - Fixed Constructions

21

B

E21B 43/24 (2006.01) E21B 43/25 (2006.01)

Patent

CA 2721779

Methods relate to recovering coal bed methane. In-situ heating of coal facilitates desorption and diffusion of the methane for production of the methane through a wellbore. Water within fractures of the coal forms an electrical conduit through which current is passed. The heating relies at least in part on resistivity of the water, which thereby preheats the coal for the recovering of the methane.

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