Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2011

Significant Commitments by Category

The following table sets forth our significant commitments as of December 31, 2011, by category, for the next five years and thereafter:

	Minimum				Firm
	Rental		Drilling		Transportation
Year	Commitments		Commitments		Commitments
2012	$	3,120	$	23,820	$	10,255
2013		2,283		59		8,805
2014		1,737		-		6,137
2015		1,628		-		5,137
2016		1,456		-		4,271
Thereafter		1,963		-		30,957
Total	$	12,187	$	23,879	$	65,562