Hedge Contracts (Tables)

12 Months Ended

Dec. 31, 2011

Hedge Contracts (Tables)

Derivatives Designated as Hedging Instruments Table

		Fair Value at
	Balance Sheet	December 31,
Derivatives designated as hedging	Location	2010
instruments		(In Thousands)
Natural gas swap contracts	Current assets	$	2,436
Oil swap contracts	Current liabilities		(5,208	)
Total derivatives designated as hedging
instruments		$	(2,772	)

Pretax Gain (Loss) on Derivative Instruments Table

	Year Ended December 31, 2011
	Oil			Natural Gas		Total
	(In Thousands)
Derivative swap contracts
Amount of pretax gain reclassified from accumulated other comprehensive
income into product sales revenue (effective portion)	$	1,177		$	-	$	1,177
Amount of pretax gain (loss) from change in derivative fair value
recognized in other comprehensive income		(7,854	)		-		(7,854	)
Amount of pretax gain (loss) recognized in other income (expense)
(ineffective portion)		(13,947	)		-		(13,947	)

	Year Ended December 31, 2010
	Oil			Natural Gas		Total
	(In Thousands)
Derivative swap contracts
Amount of pretax gain reclassified from accumulated other comprehensive
income into product sales revenue (effective portion)	$	22,725		$	26,214	$	48,939
Amount of pretax gain (loss) from change in derivative fair value
recognized in other comprehensive income		(1,947	)		9,118		7,171
Amount of pretax gain (loss) recognized in other income (expense)
(ineffective portion)		(152	)		-		(152	)

	Year Ended December 31, 2009
	Oil			Natural Gas			Total
	(In Thousands)
Derivative swap contracts
Amount of pretax gain reclassified from accumulated other comprehensive
income into product sales revenue (effective portion)	$	6,978		$	40,054		$	47,032
Amount of pretax gain (loss) from change in derivative fair value
recognized in other comprehensive income		(13,966	)		22,906			8,940
Amount of pretax gain (loss) recognized in other income (expense)
(ineffective portion)		(408	)		(1,321	)		(1,729	)