Prepaid Expenses (Tables)

6 Months Ended

Jun. 30, 2011

Prepaid Expenses

Prepaid Expenses Table

	June 30,	December 31,
	2011	2010
	(in thousands)
Prepaid drilling costs	$            20,706	$              21,997
Prepaid insurance	3,089	7,690
Total	$            23,795	$               29,687