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

9 Months Ended

Sep. 30, 2012

Accounting Policies [Abstract]

Accounts receivable

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

	September 30, 2012			December 31, 2011
Joint interests	$	23,006		$	16,926
Accrued oil and natural gas sales	51,419			47,667
Derivative settlements	5,678			449
Other	417			380
Allowance for doubtful accounts	(1,070		)	(634		)
	$	79,450		$	64,788

Inventories

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

	September 30, 2012			December 31, 2011
Equipment inventory	$	10,769		$	6,164
Oil and natural gas product	3,334			3,793
Inventory valuation allowance	(863		)	(1,316		)
	$	13,240		$	8,641