Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Operations

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Consolidated Statements of Operations - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Revenues:      
Total revenues $ 580,706 $ 487,096 $ 399,986
Operating costs and expenses:      
Lease operating expenses 153,262 143,738 152,399
Production taxes 1,832 1,740 1,889
Depreciation, depletion and amortization 131,423 138,510 194,038
Asset retirement obligations accretion 18,431 17,172 17,571
Ceiling test write-down of oil and natural gas properties 0 0 279,063
General and administrative expenses 60,147 59,744 59,740
Derivative (gain) loss (53,798) (4,199) 2,926
Total costs and expenses 333,679 377,146 730,554
Operating income (loss) 247,027 109,950 (330,568)
Interest expense, net 48,645 45,521 84,382
Gain on debt transactions 47,109 7,811 123,923
Other (income) expense, net (3,871) 5,127 1,369
Income (loss) before income tax expense (benefit) 249,362 67,113 (292,396)
Income tax expense (benefit) 535 (12,569) (43,376)
Net income (loss) $ 248,827 $ 79,682 $ (249,020)
Basic and diluted earnings (loss) per common share $ 1.72 $ 0.56 $ (2.60)
Oil      
Revenues:      
Total revenues $ 438,798 $ 340,010 $ 268,950
NGLs      
Revenues:      
Total revenues 37,127 32,257 26,429
Natural gas      
Revenues:      
Total revenues 99,629 108,923 100,405
Other      
Revenues:      
Total revenues 5,152 5,906 4,202
Gathering and transportation      
Operating costs and expenses:      
Operating costs and expenses $ 22,382 $ 20,441 $ 22,928