Year Ended December 31,
	2006			2005			2004
Revenues:
Oil and gas sales	$	601,551,368		$	423,766,245		$	311,285,172
Price-risk management and other, net		13,889,862			(539,756)			(1,008,398)
		-----------------------			-----------------------			-----------------
		615,441,230			423,226,489			310,276,774
		-----------------------			-----------------------			-----------------
Costs and Expenses:
General and administrative, net		31,316,644			22,176,362			17,787,125
Depreciation, depletion, and amortization		169,295,774			107,477,787			81,580,828
Accretion of asset retirement obligation		1,034,322			761,042			673,654
Lease operating cost		62,474,619			47,321,841			41,214,256
Severance and other taxes		65,452,043			42,176,505			30,401,293
Interest expense, net		23,581,663			24,873,401			27,643,108
Debt retirement cost		---			---			9,536,268
		-----------------------			-----------------------			-----------------
		353,155,065			244,786,938			208,836,532
		-----------------------			-----------------------			-----------------
Income Before Income Taxes		262,286,165			178,439,551			101,440,242
Provision for Income Taxes		100,720,825			62,661,095			32,989,325
		-----------------------			-----------------------			-----------------
Net Income	$	161,565,340		$	115,778,456		$	68,450,917
		-----------------------			-----------------------			-----------------
Per Share Amounts-
Basic: Net Income	$	5.52		$	4.06		$	2.46
		-----------------------			-----------------------			-----------------
Diluted: Net Income	$	5.38		$	3.95		$	2.41
		-----------------------			-----------------------			-----------------
Weighted Average Shares Outstanding		29,265,366			28,496,275			27,822,413
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