Quarterly report pursuant to Section 13 or 15(d)

Condensed Statements Of Consolidated Cash Flows

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Condensed Statements Of Consolidated Cash Flows (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Mar. 31, 2012
Mar. 31, 2011
CASH FLOWS FROM OPERATING ACTIVITIES    
Net income $ 10,527 $ 12,896
Adjustments to reconcile net income to net cash provided by operating activities    
Depreciation, depletion and amortization 5,003 6,098
Unrealized foreign exchange loss (gain) (142) 112
Stock based compensation 1,352 1,258
Bad debt provision 315  
Change in operating assets and liabilities:    
Trade receivables 9,444 3,723
Accounts with partners (7,091) (324)
Other receivables (3,119) (548)
Crude oil inventory (498) (176)
Materials and supplies (215) 29
Prepayments and other (2,797) (1,708)
Accounts payable and accrued liabilities 2,382 (7,565)
Net cash provided by operating activities 15,161 13,795
CASH FLOWS FROM INVESTING ACTIVITIES    
Restricted cash 367 3,546
Property and equipment expenditures (10,739) (5,475)
Net cash used in investing activities (10,372) (1,929)
CASH FLOWS FROM FINANCING ACTIVITIES    
Proceeds from the issuance of common stock   1,008
Distribution to noncontrolling interest (1,599) (1,499)
Net cash used in financing activities (1,599) (491)
NET CHANGE IN CASH AND CASH EQUIVALENTS 3,190 11,375
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD 137,139 81,234
CASH AND CASH EQUIVALENTS AT END OF PERIOD 140,329 92,609
Supplemental disclosure of cash flow information    
Cash paid for income taxes 25,054 15,154
Supplemental disclosure of non cash flow information    
Property and equipment additions incurred during period but not paid at period end 12,542 566
Receivable from employees for stock option exercise $ 916