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UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)
In Thousands, unless otherwise specified
9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
CASH PROVIDED BY OPERATIONS:    
Net earnings $ 13,193 $ 21,501
Adjustments to reconcile net earnings to net cash from operating activities -    
Depreciation, depletion and amortization 18,443 16,294
Property sales (gains) oil and gas (2,198) 0
Property sale (gains) other (297) (480)
Dry hole costs incurred 1,028 105
Impairment of oil and gas properties 572 414
Provision for doubtful accounts (123) 72
Deferred income taxes (2,455) 2,598
Net change in fair value contracts 405 (510)
Decrease (increase) in accounts receivable 17,933 (48,539)
Decrease (increase) in inventories 4,292 4,127
Decrease (increase) in income tax receivable 1,136 (667)
Decrease (increase) in prepayments 8,346 (492)
Increase (decrease) in accounts payable (6,210) 28,493
Increase (decrease) in accrued liabilities 4,393 5,660
Other changes, net (999) 549
Net cash provided by operating activities 57,459 29,125
INVESTING ACTIVITIES:    
Property and equipment additions (22,655) (23,133)
Insurance and state collateral (deposits) refunds (467) (179)
Proceeds from property sales 5,149 847
Net cash (used in) investing activities (17,973) (22,465)
FINANCING ACTIVITIES:    
Dividend payments (2,784) (1,855)
Net cash (used in) financing activities (2,784) (1,855)
Increase (decrease) in cash and cash equivalents 36,702 4,805
Cash and cash equivalents at beginning of period 60,733 47,239
Cash and cash equivalents at end of period $ 97,435 $ 52,044