Supplemental Oil and Gas Disclosures (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2011

Supplemental Oil and Gas Disclosures (Unaudited) (Tables)

Costs Incurred in Acquisition, Exploration, and Development Activities Table

	Year Ended December 31,
	2011		2010		2009
	(In Thousands)
Acquisition	$	141	$	5,497	$	2,993
Exploration		-		16,822		6,820
Development		5,798		87,465		38,806
Total costs incurred	$	5,939	$	109,784	$	48,619

Capitalized Costs Related to Producing Activities Table

	December 31,
	2010
	(In Thousands)
Undeveloped properties	$	12,954
Proved developed properties being amortized		757,663
Total capitalized costs		770,617
Less accumulated depletion, depreciation,
and amortization		(501,048	)
Net capitalized costs	$	269,569

Results of Operations for Producing Activities Table

	Year Ended December 31,
		2011			2010			2009
		(In Thousands)
Oil and gas sales revenues		$	81,941		$	197,841		$	174,191
Production (lifting) costs (1)			33,496			71,066			79,115
Depreciation, depletion, and amortization			27,640			73,679			79,610
Impairments of properties (2)			15,233			63,774			11,410
Excess decommissioning and abandonment costs			78,382			53,997			23,771
Exploration expenses			77			306			151
Accretion expense			3,705			5,008			7,717
Dry hole costs			(32	)		325			-
Gain on insurance recoveries			-			(2,541	)		(45,391	)
Pretax income (loss) from producing activities			(76,560	)		(67,773	)		17,808
Income tax expense (benefit)			(26,797	)		(25,186	)		6,551
Results of oil and gas producing activities		$	(49,763	)	$	(42,587	)	$	11,257

(1)	Production costs during 2009 include certain hurricane repair expenses of $8.2 million.
(2)	Impairments of oil and gas properties during 2010 were primarily due to the increase in Maritech's decommissioning liabilities.

Reserve Quantity Information Table

Reserve Quantity Information	Oil		NGL		Gas
	(MBbls)		(MBbls)		(MMcf)
December 31, 2008
Proved developed reserves		4,365		139		40,988
Proved undeveloped reserves		1,433		-		1,024
Total proved reserves at December 31, 2008		5,798		139		42,012
December 31, 2009
Proved developed reserves		5,502		188		32,387
Proved undeveloped reserves		1,367		16		1,124
Total proved reserves at December 31, 2009		6,869		204		33,511
December 31, 2010
Proved developed reserves		5,760		415		24,795
Proved undeveloped reserves		1,012		74		790
Total proved reserves at December 31, 2010		6,772		489		25,585
December 31, 2011
Proved developed reserves		95		40		676
Proved undeveloped reserves		107		60		480
Total proved reserves at December 31, 2011		202		100		1,156

	Oil			NGL			Gas
	(MBbls)			(MBbls)			(MMcf)
Total proved reserves at December 31, 2008		5,798			139			42,012
Revisions of previous estimates		1,805			166			(623	)
Production		(1,219	)		(106	)		(10,449	)
Extensions and discoveries		564			5			3,365
Purchases of reserves in place		-			-			-
Sales of reserves in place		(79	)		-			(794	)
Total proved reserves at December 31, 2009		6,869			204			33,511
Revisions of previous estimates		266			310			(6,303	)
Production		(1,360	)		(132	)		(7,065	)
Extensions and discoveries		712			107			4,749
Purchases of reserves in place		293			-			876
Sales of reserves in place		(8	)		-			(183	)
Total proved reserves at December 31, 2010		6,772			489			25,585
Revisions of previous estimates		(88	)		22			(1,903	)
Production		(612	)		(88	)		(3,322	)
Extensions and discoveries		-			-			-
Purchases of reserves in place		-			-			-
Sales of reserves in place		(5,870	)		(323	)		(19,204	)
Total proved reserves at December 31, 2011		202			100			1,156

Discounted Future Net Cash Flows and Changes in Discounted Future Net Cash Flows Table

December 31,
	2011			2010
	(In Thousands)
Future cash inflows	$	28,873		$	673,295
Future costs
Production		10,240			199,196
Development and abandonment		7,922			264,074
Future net cash flows before income taxes		10,711			210,025
Future income taxes		(1,513	)		(53,481	)
Future net cash flows		9,198			156,544
Discount at 10% annual rate		(2,723	)		(23,275	)
Standardized measure of discounted future net cash flows	$	6,475		$	133,269

Changes in Standardized Measure of Discounted Future Net Cash Flows

	Year Ended December 31,
	2011			2010			2009
	(In Thousands)
Standardized measure, beginning of year	$	133,269		$	86,049		$	60,348
Sales, net of production costs		(48,445	)		(74,718	)		(95,076	)
Net change in prices, net of production costs		(11,916	)		92,065			43,098
Changes in future development and abandonment costs		43,792			(48,002	)		2,235
Development and abandonment costs incurred		25,083			42,151			10,585
Accretion of discount		17,909			9,720			6,396
Net change in income taxes		44,612			(34,665	)		(7,536	)
Purchases of reserves in place		-			8,694			-
Extensions and discoveries		-			63,411			27,873
Sales of reserves in place		(198,324	)		(58	)		1,268
Net change due to revision in quantity estimates		(10,814	)		(13,738	)		41,045
Changes in production rates (timing) and other		11,309			2,360			(4,187	)
Subtotal		(126,794	)		47,220			25,701
Standardized measure, end of year	$	6,475		$	133,269		$	86,049