Quarterly report pursuant to Section 13 or 15(d)

Segment Information (Details)

v3.4.0.3
Segment Information (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Dec. 31, 2015
Sales and revenues:      
Sales and revenues $ 721,004 $ 1,229,687  
Operating expenses:      
Lease operating 11,293 8,102  
Gathering, compression, processing, and transportation 208,738 163,662  
Depletion, depreciation, and amortization 191,582 182,300  
General and administrative expense 56,287 59,049  
Total operating expenses 642,255 529,993  
Operating income (loss) 78,749 699,694  
Segment assets 14,288,712   $ 14,115,493
Exploration and production      
Sales and revenues:      
Sales and revenues 621,769 1,166,089  
Gathering and compression      
Sales and revenues:      
Sales and revenues 69,391 52,243  
Water handling and treatment      
Sales and revenues:      
Sales and revenues 66,439 34,430  
Marketing      
Sales and revenues:      
Sales and revenues 99,216 57,780  
Operating segments      
Sales and revenues:      
Sales and revenues 721,004 1,229,687  
Operating expenses:      
Lease operating 11,293 8,102  
Gathering, compression, processing, and transportation 208,738 163,662  
Depletion, depreciation, and amortization 191,582 182,300  
General and administrative expense 56,287 59,049  
Other operating expenses 174,355 116,880  
Total operating expenses 642,255 529,993  
Operating income (loss) 78,749 699,694  
Segment assets 14,288,712 12,481,951  
Capital expenditures for segment assets 510,123 770,826  
Operating segments | Exploration and production      
Sales and revenues:      
Sales and revenues 617,944 1,165,739  
Operating expenses:      
Lease operating 11,332 7,783  
Gathering, compression, processing, and transportation 267,445 205,679  
Depletion, depreciation, and amortization 167,552 161,505  
General and administrative expense 43,552 47,417  
Other operating expenses 35,165 38,970  
Total operating expenses 525,046 461,354  
Operating income (loss) 96,723 704,735  
Segment assets 12,738,875 10,835,973  
Capital expenditures for segment assets 449,830 646,842  
Operating segments | Gathering and compression      
Sales and revenues:      
Sales and revenues 3,587 2,301  
Operating expenses:      
Gathering, compression, processing, and transportation 7,170 7,988  
Depletion, depreciation, and amortization 17,068 14,675  
General and administrative expense 9,335 9,501  
Other operating expenses 449 3,701  
Total operating expenses 34,022 35,865  
Operating income (loss) 35,369 16,378  
Segment assets 1,518,554 1,410,631  
Capital expenditures for segment assets 48,686 125,988  
Operating segments | Water handling and treatment      
Sales and revenues:      
Sales and revenues 257 3,867  
Operating expenses:      
Lease operating 40,714 6,752  
Depletion, depreciation, and amortization 6,962 6,120  
General and administrative expense 3,756 2,418  
Other operating expenses 4,204 860  
Total operating expenses 55,636 16,150  
Operating income (loss) 10,803 18,280  
Segment assets 524,348 421,320  
Capital expenditures for segment assets 37,036 22,126  
Operating segments | Marketing      
Sales and revenues:      
Sales and revenues 99,216 57,780  
Operating expenses:      
Other operating expenses 137,933 73,349  
Total operating expenses 137,933 73,349  
Operating income (loss) (38,717) (15,569)  
Segment assets 35,983 28,007  
Elimination of intersegment transaction      
Sales and revenues:      
Sales and revenues (135,811) (80,855)  
Operating expenses:      
Lease operating (40,753) (6,433)  
Gathering, compression, processing, and transportation (65,877) (50,005)  
General and administrative expense (356) (287)  
Other operating expenses (3,396)    
Total operating expenses (110,382) (56,725)  
Operating income (loss) (25,429) (24,130)  
Segment assets (529,048) (213,980)  
Capital expenditures for segment assets (25,429) (24,130)  
Elimination of intersegment transaction | Exploration and production      
Sales and revenues:      
Sales and revenues 3,825 350  
Elimination of intersegment transaction | Gathering and compression      
Sales and revenues:      
Sales and revenues 65,804 49,942  
Elimination of intersegment transaction | Water handling and treatment      
Sales and revenues:      
Sales and revenues $ 66,182 $ 30,563