Quarterly report pursuant to Section 13 or 15(d)

CONSOLIDATED STATEMENTS OF OPERATIONS

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CONSOLIDATED STATEMENTS OF OPERATIONS (USD $)
In Thousands, except Share data, unless otherwise specified
 3 Months Ended 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Revenues $ 165,301 $ 176,589 $ 520,795 $ 505,580
Expenses:        
Operating expenses 101,484 99,042 300,942 311,100
Depreciation and amortization 29,779 27,581 85,357 82,511
Total expenses 131,263 126,623 386,299 393,611
Total operating gross margin 34,038 49,966 134,496 111,969
General and administration expense (8,905) [1] (8,630) (21,822) [1] (23,384)
Gain on disposition of assets, net 606 623 2,466 1,993
Total operating income 25,739 41,959 115,140 90,578
Other income and (expense):        
Interest expense (8,171) (5,591) (25,133) (17,208)
Interest income 30 29 109 208
Loss on extinguishment of debt (117)   (1,766)  
Change in fair value of derivative positions 19 (49) 8 (186)
Other 26 (657) 62 (522)
Total other expense (8,213) (6,268) (26,720) (17,708)
Income before income taxes 17,526 35,691 88,420 72,870
Income tax expense 6,695 15,042 31,155 33,345
Net income 10,831 20,649 57,265 39,525
Less: Net loss attributable to noncontrolling interest (105) (76) (146) (202)
Net income attributable to controlling interest $ 10,936 $ 20,725 $ 57,411 $ 39,727
Basic earnings per share $ 0.09 $ 0.18 $ 0.49 $ 0.34
Diluted earnings per share $ 0.09 $ 0.18 $ 0.48 $ 0.34
Number of common shares used in computing earnings per share:        
Basic 118,109,214 116,416,011 117,458,365 115,899,959
Diluted 119,201,019 117,425,764 118,810,195 116,912,367
[1] General and administration expenses for field operations are included in operating expenses.