Annual report pursuant to Section 13 and 15(d)

Condensed Consolidating Balance Sheet (Detail)

v2.4.0.8
Condensed Consolidating Balance Sheet (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Current assets:        
Cash and cash equivalents $ 15,800 $ 12,245 $ 4,512 $ 28,655
Receivables:        
Oil and natural gas sales 96,752 97,733    
Joint interest and other 27,984 56,439    
Income taxes 3,120 47,884    
Total receivables 127,856 202,056    
Prepaid expenses and other assets 29,946 25,822    
Total current assets 173,602 240,123    
Property and equipment – at cost:        
Oil and natural gas properties and equipment 7,339,097 6,694,510    
Furniture, fixtures and other 21,431 21,786    
Total property and equipment 7,360,528 6,716,296    
Less accumulated depreciation, depletion and amortization 5,084,704 4,655,841    
Net property and equipment 2,275,824 2,060,455    
Restricted deposits for asset retirement obligations 37,421 28,466    
Other assets 20,455 19,943    
Total assets 2,507,302 2,348,987    
Current liabilities:        
Accounts payable 145,212 123,885    
Undistributed oil and natural gas proceeds 42,107 37,073    
Asset retirement obligations 77,785 92,630    
Accrued liabilities 28,000 21,021    
Total current liabilities 293,104 274,609    
Long-term debt, less current maturities 1,205,421 1,087,611    
Asset retirement obligations, less current portion 276,637 291,423    
Deferred income taxes 178,142 145,249    
Other liabilities 13,388 8,908    
Commitments and contingencies          
Shareholders’ equity:        
Common stock 1 1    
Additional paid-in capital 403,564 396,186    
Retained earnings 161,212 169,167    
Treasury stock, at cost (24,167) (24,167)    
Total shareholders’ equity 540,610 541,187    
Total liabilities and shareholders’ equity 2,507,302 2,348,987    
Parent Company
        
Current assets:        
Cash and cash equivalents 15,800 12,245 4,512 28,655
Receivables:        
Oil and natural gas sales 75,486 80,729    
Joint interest and other 27,984 56,439    
Income taxes 124,393 163,750    
Total receivables 227,863 300,918    
Prepaid expenses and other assets 23,674 25,822    
Total current assets 267,337 338,985    
Property and equipment – at cost:        
Oil and natural gas properties and equipment 6,770,396 6,356,529    
Furniture, fixtures and other 21,431 21,786    
Total property and equipment 6,791,827 6,378,315    
Less accumulated depreciation, depletion and amortization 4,784,932 4,461,886    
Net property and equipment 2,006,895 1,916,429    
Restricted deposits for asset retirement obligations 37,421 28,466    
Other assets 574,280 442,540    
Total assets 2,885,933 2,726,420    
Current liabilities:        
Accounts payable 144,492 123,792    
Undistributed oil and natural gas proceeds 41,735 36,791    
Asset retirement obligations 75,977 92,595    
Accrued liabilities 28,000 20,755    
Total current liabilities 290,204 273,933    
Long-term debt, less current maturities 1,205,421 1,087,611    
Asset retirement obligations, less current portion 238,270 262,524    
Deferred income taxes 170,419 158,758    
Other liabilities 441,009 402,407    
Commitments and contingencies          
Shareholders’ equity:        
Common stock 1 1    
Additional paid-in capital 403,564 396,186    
Retained earnings 161,212 169,167    
Treasury stock, at cost (24,167) (24,167)    
Total shareholders’ equity 540,610 541,187    
Total liabilities and shareholders’ equity 2,885,933 2,726,420    
Guarantor Subsidiaries
        
Receivables:        
Oil and natural gas sales 21,266 17,004    
Total receivables 21,266 17,004    
Prepaid expenses and other assets 6,272      
Total current assets 27,538 17,004    
Property and equipment – at cost:        
Oil and natural gas properties and equipment 568,701 337,981    
Total property and equipment 568,701 337,981    
Less accumulated depreciation, depletion and amortization 299,772 193,955    
Net property and equipment 268,929 144,026    
Other assets 427,619 407,008    
Total assets 724,086 568,038    
Current liabilities:        
Accounts payable 720 93    
Undistributed oil and natural gas proceeds 372 282    
Asset retirement obligations 1,808      
Accrued liabilities 121,273 116,132    
Total current liabilities 124,173 116,507    
Asset retirement obligations, less current portion 38,367 28,934    
Deferred income taxes 7,723      
Commitments and contingencies          
Shareholders’ equity:        
Additional paid-in capital 317,776 231,759    
Retained earnings 236,047 190,838    
Total shareholders’ equity 553,823 422,597    
Total liabilities and shareholders’ equity 724,086 568,038    
Eliminations
        
Current assets:        
Cash and cash equivalents          
Receivables:        
Income taxes (121,273) (115,866)    
Total receivables (121,273) (115,866)    
Total current assets (121,273) (115,866)    
Property and equipment – at cost:        
Other assets (981,444) (829,605)    
Total assets (1,102,717) (945,471)    
Current liabilities:        
Asset retirement obligations   35    
Accrued liabilities (121,273) (115,866)    
Total current liabilities (121,273) (115,831)    
Asset retirement obligations, less current portion   (35)    
Deferred income taxes   (13,509)    
Other liabilities (427,621) (393,499)    
Commitments and contingencies          
Shareholders’ equity:        
Additional paid-in capital (317,776) (231,759)    
Retained earnings (236,047) (190,838)    
Total shareholders’ equity (553,823) (422,597)    
Total liabilities and shareholders’ equity $ (1,102,717) $ (945,471)