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Coalbed methane potential in the Appalachian states of Pennsylvania,West Virginia, Maryland, Ohio, Virginia, Kentucky, and Tennessee--An overview

Paul C. Lyons
Open-File Report 96-735

Table 1. Coalbed methane production (Mcf) by state, northern and central Appalachian basin, Cahaba coal field, and Black Warrior basin

Northern and Central Appalachian Basin
State 1992 1993 1994 1995
WV 108,428 223,554 97,372 n.a.1
VA 6,641,852 19,923,453 28,331,817 30,355,870
PA 350,0002 900,0002 1,000,0002 1,000,0002
OH n.d. n.d. n.d. n.d.
MD n.d. n.d. n.d. n.d.
TN3 n.d. n.d. n.d. n.d.
KY4 32,850 32,850 32,850 32,850
Total 7,133,130 21,079,857 29,462,039 31,388,720
Cahaba coal field, Alabama5
AL 542,828 432,149 529,438 395,841
Black Warrior Basin, Alabama5
AL 91,381,930 104,702,828 110,571,369 112,109,853
Total_AL 91,924,758 105,134,977 111,100,807 112,505,694
Footnotes to Table 1:

n.d., no data; n.a., not available

1 Includes an estimated 175,200 Mcf from 13 mine ventilation wells (Rod Biggs, CNG Producing, personal commun., May, 1996). Estimated production on basis of 40 Mcf/day.

2 Estimate based on data in Bruner et al., 1995, and data provided by Toni Markowski, Pennsylvania Topographic and Geologic Survey, personal commun., April, 1996; and Jim Mills, Belden and Blake, personal commun., April, 1996.

3 No permitted CBM wells or activity; information courtesy of Mike Hoyal, Tennessee Oil and Gas Board, personal commun., April, 1996; and Ron Zurawski, Tennessee Geological Survey, personal commun., May, 1996.

4 Estimate based on one well in production at estimated 90 Mcfd.

5 Courtesy of Jack Pashin, Geological Survey of Alabama, personal commun., April and May, 1996.
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