Dry hole, abandonment, impairment and exploration

6 Months Ended

Jun. 30, 2011

Dry hole, abandonment, impairment and exploration

Dry hole, abandonment, impairment and exploration

10. Dry hole, abandonment, impairment and exploration

        For the three and six months ended June 30, 2011, the Company incurred dry hole, abandonment, impairment and exploration expense of $0.3 million and $0.4 million, respectively. During the three and six months ended June 30, 2010, the Company incurred dry hole, abandonment, impairment and exploration expense of $0.3 million and $1.6 million, respectively, which was primarily the result of mechanical failure encountered on one well in the Piceance. The well was abandoned in favor of drilling a replacement well from the same pad.