Reconnaissance of the Coal-bed Methane Resources in Pennsylvania |
Common terms and phrases
12 TOTAL GAS Allegheny Formation Anthracite fields anticlinal Appalachian coal basin Appalachian Plateau ARMSTRONG COUNTY Bakerstown BASE OF COAL BITUMINOUS COAL boreholes British thermal unit Brookville Bureau of Mines Cambria County carbon cf/t Clarion COAL BED feet coal rank coal seams coal-bed methane CONTENT cubic feet degasification DEPTH TO BASE desorption Diamond DRILL HOLE Dunkard Fayette County fracture GAS CONTENT cubic Greene County heating values HIGH-VOLATILE A BITUMINOUS HV-A KITTANNING COAL BED Llewellyn Formation Lower Freeport Lower Kittanning Lower Waynesburg Mcfd Middle Kittanning mile natural gas natural open flow Northern Appalachian coal Pennsylvania Geological Survey percent permeability Pittsburgh Pittsburgh coal Pittsburgh rider Pottsville Pottsville Formation quadrangle Figure 13 resource ROOF LITHOLOGY sandstone Sewickley Skema Somerset Counties structure contours synclinal tested THICKNESS OF COAL tion total depth TOTAL GAS CONTENT U.S. Bureau Uniontown Unnamed pool Upper Kittanning Upper Waynesburg USBM vitrinite Washington Waynesburg field Westmoreland County