Acceleration of hydrocarbon gas production from coal beds

Mining or in situ disintegration of hard material – In situ conversion of solid to fluid – Input and output wells

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166272, E21B 4324

Patent

active

050729900

ABSTRACT:
A hot fluid is injected through an injection well into a coal seam to induce more rapid and complete desorption of methane therefrom and to cause desorbed methane to proceed toward a nearby production well in the coal seam.

REFERENCES:
patent: 2593477 (1952-04-01), Newman et al.
patent: 2896932 (1959-07-01), Marquis
patent: 2952450 (1960-09-01), Purre
patent: 4026359 (1977-05-01), Closmann
patent: 4883122 (1989-11-01), Puri et al.

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