Coal bed methane recovery

Details Coal bed methane recovery Coal bed methane recovery

1994-07-22

1995-04-04

Novosad, Stephen J.

Wells

Processes

Cyclic injection then production of a single well

166272, 166266, E21B 4324, E21B 4330, E21B 4340

Patent

active

054028477

ABSTRACT:
A process for producing methane from a subterranean coal bed by continuously injecting a carbon dioxide-containing gas into the coal bed and recovering displaced and desorbed methane from a recovery well. The injection gas may be exhaust gas from a hydrocarbon fueled engine.

REFERENCES:
patent: 4043395 (1977-08-01), Every et al.
patent: 4883122 (1989-11-01), Puri et al.
patent: 5072990 (1991-12-01), Vogt, Jr. et al.
patent: 5273344 (1993-12-01), Volkwein et al.

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