
	Three Months Ended June 30,						Six Months Ended June 30,
	2011			2010			2011			2010
	(In thousands)
Revenues:
Contract drilling	$	129,281		$	82,046		$	241,789		$	149,547
Elimination of inter-segment revenue		(14,098	)		(9,985	)		(28,618	)		(16,632	)

Contract drilling net of inter-segment revenue		115,183			72,061			213,171			132,915


Oil and natural gas		131,662			91,136			241,496			190,189


Gas gathering and processing		63,894			47,008			120,902			100,742
Elimination of inter-segment revenue		(19,526	)		(10,664	)		(36,770	)		(23,263	)

Gas gathering and processing net of inter-segment revenue		44,368			36,344			84,132			77,479


Other		282			5,062			101			10,570

Total revenues	$	291,495		$	204,603		$	538,900		$	411,153


Operating income:
Contract drilling	$	31,727		$	9,075		$	59,574		$	15,243
Oil and natural gas		53,695			41,000			92,480			89,683
Gas gathering and processing		3,742			3,424			10,678			7,892

Total operating income ⁽¹⁾		89,164			53,499			162,732			112,818
General and administrative expense		(7,496	)		(6,456	)		(14,388	)		(12,735	)
Interest expense, net		(673	)		0			(727	)		0
Other income, net		282			5,062			101			10,570

Income before income taxes	$	81,277		$	52,105		$	147,718		$	110,653

(1) Operating income is total operating revenues less operating expenses, depreciation, depletion and amortization and does not include non-operating revenues, general corporate expenses, interest expense or income taxes.