Method of producing methane gas from a coal seam

Details Method of producing methane gas from a coal seam Method of producing methane gas from a coal seam

1994-10-26

1995-10-31

Buiz, Michael Powell

Wells

Processes

Vibrating the earth or material in or being placed in the...

16625015, E21B 4300

Patent

active

054621160

ABSTRACT:
A method and system for producing coal-bed methane gas from a wellbore is disclosed. The method consists of drilling a wellbore so that a coal seam is intersected, and thereafter casing and completing the wellbore. A transducer is lowered into the wellbore, with the transducer capable of converting electrical energy to a sound energy. The transducer is activated, and methane gas is then produced from the coal seam. The energy to the transducer may be varied so that a maximum rate of methane gas production is obtained.

REFERENCES:
patent: 4544037 (1984-02-01), Terry
patent: 5273113 (1993-12-01), Schultz
patent: 5318125 (1994-06-01), Wittrisch
patent: 5350018 (1994-09-01), Sorem et al.
patent: 5377160 (1994-12-01), Tello et al.

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