Annual report pursuant to Section 13 and 15(d)

Consolidated Balance Sheets

v2.4.0.6
Consolidated Balance Sheets (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Current assets:    
Cash and cash equivalents $ 12,245 $ 4,512
Receivables:    
Oil and natural gas sales 97,733 98,550
Joint interest and other 56,439 25,804
Income tax receivable 47,884  
Total receivables 202,056 124,354
Deferred income taxes 267 2,007
Prepaid expenses and other assets 25,555 30,315
Total current assets 240,123 161,188
Property and equipment - at cost:    
Oil and natural gas properties and equipment (full cost method, of which $123,503 at December 31, 2012 and $154,516 at December 31, 2011 were excluded from amortization) 6,694,510 5,959,016
Furniture, fixtures and other 21,786 19,500
Total property and equipment 6,716,296 5,978,516
Less accumulated depreciation, depletion and amortization 4,655,841 4,320,410
Net property and equipment 2,060,455 1,658,106
Restricted deposits for asset retirement obligations 28,466 33,462
Other assets 19,943 16,169
Total assets 2,348,987 1,868,925
Current liabilities:    
Accounts payable 123,885 75,871
Undistributed oil and natural gas proceeds 37,073 33,732
Asset retirement obligations 92,630 138,185
Accrued liabilities 20,755 29,705
Income taxes payable 266 10,392
Total current liabilities 274,609 287,885
Long-term debt, less current maturities 1,087,611 717,000
Asset retirement obligations, less current portion 291,423 255,695
Deferred income taxes 145,249 58,881
Other liabilities 8,908 4,890
Commitments and contingencies      
Shareholders' equity:    
Preferred stock, $0.00001 par value, 20,000,000 shares authorized and 0 issued at December 31, 2012 and $0.00001 par value, 2,000,000 shares authorized and 0 issued at December 31, 2011      
Common stock, $0.00001 par value; 118,330,000 shares authorized; 78,118,803 issued and 75,249,630 outstanding at December 31, 2012; 77,220,706 issued and 74,351,533 outstanding at December 31, 2011; 1 1
Additional paid-in capital 396,186 386,920
Retained earnings 169,167 181,820
Treasury stock, at cost (24,167) (24,167)
Total shareholders' equity 541,187 544,574
Total liabilities and shareholders' equity $ 2,348,987 $ 1,868,925