Quarterly report pursuant to Section 13 or 15(d)

CONSOLIDATED CONDENSED STATEMENTS OF OPERATIONS (Unaudited)

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CONSOLIDATED CONDENSED STATEMENTS OF OPERATIONS (Unaudited) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Income Statement [Abstract]    
Revenues $ 130,503 $ 204,076
Expenses:    
Operating expenses 108,117 139,270
Depreciation and amortization 35,814 40,539
Total expenses 143,931 179,809
Total operating gross margin (13,428) 24,267
General and administration expense (9,781) (10,837)
Gain (loss) on disposition of assets, net (60) 2,441
Total operating income (loss) (23,269) 15,871
Other income and (expense):    
Interest expense (11,562) (11,078)
Interest income 7 183
Other 2,485 (1,380)
Total other expense (9,070) (12,275)
Income (loss) before income taxes (32,339) 3,596
Income tax expense (benefit) 63,496 (182)
Net income (loss) (95,835) 3,778
Less: Net income attributable to noncontrolling interest 0 556
Net income (loss) attributable to controlling interest $ (95,835) $ 3,222
Basic earnings (loss) per share $ (0.78) $ 0.03
Diluted earnings (loss) per share $ (0.78) $ 0.03
Number of common shares used in computing earnings per share:    
Basic 123,090,238 121,887,072
Diluted 123,090,238 123,708,623