Double Eagle Petroleum Co. (Double Eagle) is an independent energy company engaged in the exploration, development, production and sale of natural gas and crude oil, primarily in Rocky Mountain Basins of the western United States. The Company�s properties are located in southwestern Wyoming. Double Eagle has coal bed methane reserves and production in the Atlantic Rim Area of the eastern Washakie Basin and tight gas reserves and production on the Pinedale Anticline in the Green River Basin of Wyoming. As of December 31, 2011, it owned interests in over 1,200 producing wells and had an acreage position of 405,726 gross (139,962 net) acres, of which 262,650 gross (124,306 net) acres are undeveloped, which are natural gas prone basins primarily located in the Rocky Mountains. Two developing areas, the Atlantic Rim coal bed natural gas play and the Pinedale Anticline, accounted for 94% of its proved reserves as of December 31, 2011, and 94% of its production.