Method and system for extraction of resources from a...

Details Method and system for extraction of resources from a... Method and system for extraction of resources from a...

E - Fixed Constructions

21

B

E21B 43/20 (2006.01) E21B 43/26 (2006.01) E21B 43/29 (2006.01) E21B 43/34 (2006.01) E21C 41/18 (2006.01)

Patent

CA 2493354

A method for stimulating production of resources from a coal seam, comprises forming a drainage well bore in the coal bed, inserting a liner into the well bore and collapsing the drainage well bore around the liner to relieve stress in the coal seam proximate to the liner. The well bore has a first end coupled to a ground surface and a second end in the coal seam. The liner has a wall including a plurality of apertures and a second diameter that is smaller than the first diameter of the drainage well bore such that a gap is formed between the wall of the liner and the well bore.

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