Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements Of Cash Flows

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Condensed Consolidated Statements Of Cash Flows (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Operating activities:    
Net income $ 26,618 $ 3,218
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation, depletion, amortization and accretion 108,872 88,491
Amortization of debt issuance costs and premium 447 586
Share-based compensation 2,255 2,659
Derivative loss 3,368 39,634
Cash payments on derivative settlements (4,271) (5,800)
Deferred income taxes 12,507 2,550
Changes in operating assets and liabilities:    
Oil and natural gas receivables 423 9,516
Joint interest and other receivables 25,875 (2,170)
Insurance receivables   715
Income taxes 2,372 (10,386)
Prepaid expenses and other assets 4,911 3,884
Asset retirement obligation settlements (23,464) (5,384)
Accounts payable, accrued liabilities and other 9,921 644
Net cash provided by operating activities 169,834 128,157
Investing activities:    
Investment in oil and natural gas properties and equipment (136,626) (84,626)
Purchases of furniture, fixtures and other (114) (500)
Net cash used in investing activities (136,740) (85,126)
Financing activities:    
Borrowings of long-term debt - revolving bank credit facility 112,000 84,000
Repayments of long-term debt - revolving bank credit facility (139,000) (117,000)
Dividends to shareholders (6,020) (5,948)
Other (42) (87)
Net cash used in financing activities (33,062) (39,035)
Increase in cash and cash equivalents 32 3,996
Cash and cash equivalents, beginning of period 12,245 4,512
Cash and cash equivalents, end of period $ 12,277 $ 8,508