Coalbed Methane Proved Reserves and Production in U.S.

Oil & Natural Gas / Coalbed Methane / Exploration

Eastern States includes Virginia prior to 2006. Other States includes Oklahoma, Pennsylvania, Utah, Virginia, West Virginia, and Wyoming for data prior to 2000. These states are individually listed or grouped in Eastern States and Western States for 2000 and later. See Definitions, Sources, and Notes link above for more information on this table.

https://www.eia.gov/dnav/ng/hist/rngr52nus_1a.htm