Wyoming

July 21, 2010
Double Eagle Petroleum Co., Denver, acquired further working interests in Atlantic Rim coalbed methane properties in southern Wyoming with the purchase of SM Energy for $8.4 million, effective Jan. 1, 2010.

By OGJ editors
HOUSTON, July 21
– Double Eagle Petroleum Co., Denver, acquired further working interests in Atlantic Rim coalbed methane properties in southern Wyoming with the purchase of SM Energy for $8.4 million, effective Jan. 1, 2010.

Double Eagle acquired a 12.6% working interest in the Sun Dog Unit, bringing its interest to 21.54%, a 3.08% interest in the Catalina Unit hiking its stake to 72.4%, and a 1.15% interest in the Doty Mountain Unit boosting its share to 18%.

Estimated proved developed reserves associated with the working interest purchase is 9 bcf of gas equivalent. The 9 bcf does not include any additional reserves associated with proved undeveloped, probable or possible future locations which total 620 in the three units.