Nature Of Operations And Summary Of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2012

Accounting Policies [Abstract]

Accounts receivable

Accounts receivable consisted of the following at June 30, 2012 and December 31, 2011:

	June 30, 2012			December 31, 2011
Joint interests	$	26,194		$	16,926
Accrued oil and natural gas sales	41,512			47,667
Derivative settlements	8,208			449
Other	377			380
Allowance for doubtful accounts	(890		)	(634		)
	$	75,401		$	64,788

Inventories

Inventories at June 30, 2012 and December 31, 2011 consisted of the following:

	June 30, 2012			December 31, 2011
Equipment inventory	$	12,670		$	6,164
Oil and natural gas product	2,978			3,793
Inventory valuation allowance	(863		)	(1,316		)
	$	14,785		$	8,641