CONSOLIDATED BALANCE SHEETS (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
CURRENT ASSETS
Cash and cash equivalents	$ 18,079	$ 8,720
Accounts receivable:
Oil and gas sales	35,626	35,361
Joint interest and other, net	7,757	9,893
Affiliates	600	796
Inventory	34,732	39,218
Deferred income taxes	3,808	5,074
Assets held for sale		8,762
Prepaids and other	16,532	5,997
TOTAL CURRENT ASSETS	117,134	113,821
PROPERTY AND EQUIPMENT
Oil and gas properties, successful efforts method	1,873,222	1,707,252
Natural gas gathering and processing systems	18,439	18,153
Contract drilling equipment	72,930	58,486
Other	18,512	17,425
PROPERTY AND EQUIPMENT, GROSS	1,983,103	1,801,316
Less accumulated depreciation, depletion and amortization	(1,092,607)	(1,034,227)
Property and equipment, net	890,496	767,089
OTHER ASSETS
Debt issue costs, net	13,064	8,323
Other	1,938	1,684
TOTAL OTHER ASSETS	15,002	10,007
TOTAL ASSETS	1,022,632	890,917
Accounts payable:
Trade	63,242	74,123
Oil and gas sales	38,212	28,920
Affiliates	1,683	1,251
Fair value of derivatives	11,712	7,224
Accrued liabilities and other	29,384	22,202
TOTAL CURRENT LIABILITIES	144,233	133,720
NON-CURRENT LIABILITIES
Long-term debt	448,347	385,000
Deferred income taxes	96,106	78,035
Fair value of derivatives	7,990	3,409
Other	41,498	41,301
TOTAL NON-CURRENT LIABILITIES	593,941	507,745
COMMITMENTS AND CONTINGENCIES
STOCKHOLDERS' EQUITY
Preferred stock, par value $.10 per share, authorized - 3,000,000 shares; none issued
Common stock, par value $.10 per share, authorized - 30,000,000 shares; issued and outstanding - 12,162,536 shares in 2011 and 12,154,536 shares in 2010	1,216	1,215
Additional paid-in capital	152,502	152,290
Retained earnings	130,740	95,947
TOTAL STOCKHOLDERS' EQUITY	284,458	249,452
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 1,022,632	$ 890,917