E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 43/40 (2006.01) E21B 43/00 (2006.01)
Patent
CA 2574989
Resources are extracted from a subterranean coal bed by first forming a drainage well bore in the coal bed. The well bore has a first end coupled to a ground surface and a second end in the coal bed. A tube is inserted into the second end of the drainage well bore. A flow of fluid is generated from the second end to the first end by injecting fluid into the second end through the tube. After generating the flow, a mixture comprising the fluid, a plurality of coal fines, and any resource from the well bore that is mixed with the fluid is collected at the first end. The resources are separated from the mixture. At least a portion of the resources are re-injected through the tube and into the second end of the drainage well bore.
Cdx Gas Llc
Kirby Eades Gale Baker
LandOfFree
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