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Consolidated Balance Sheets - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Current assets    
Cash and cash equivalents $ 22,190 $ 16,720
Accounts receivable, net 387,602 371,379
Inventory 33,128 19,367
Prepaid expenses 10,997 7,631
Derivative instruments 99,930 344
Intangible assets, net 125 0
Other current assets 183 193
Total current assets 554,155 415,634
Property, plant and equipment    
Oil and gas properties (successful efforts method) 8,912,189 7,838,955
Other property and equipment 1,151,772 868,746
Less: accumulated depreciation, depletion, amortization and impairment (3,036,852) (2,534,215)
Total property, plant and equipment, net 7,027,109 6,173,486
Derivative instruments 6,945 9
Long-term inventory 12,260 12,200
Other assets 25,673 21,600
Total assets 7,626,142 6,622,929
Current liabilities    
Accounts payable 20,166 13,370
Revenues and production taxes payable 216,695 213,995
Accrued liabilities 331,651 244,279
Accrued interest payable 38,040 38,963
Derivative instruments 84 115,716
Advances from joint interest partners 5,140 4,916
Other current liabilities 0 40
Total current liabilities 611,776 631,279
Long-term debt 2,735,276 2,097,606
Deferred income taxes 300,055 305,921
Asset retirement obligations 52,384 48,511
Derivative instruments 20 19,851
Other liabilities 7,751 6,182
Total liabilities 3,707,262 3,109,350
Commitments and contingencies
Stockholders’ equity    
Common stock, $0.01 par value: 900,000,000 and 450,000,000 shares authorized at December 31, 2018 and December 31, 2017, respectively; 320,469,049 shares issued and 318,377,161 shares outstanding at December 31, 2018 and 270,627,014 shares issued and 269,295,466 shares outstanding at December 31, 2017 3,157 2,668
Treasury stock, at cost: 2,091,888 and 1,331,548 shares at December 31, 2018 and December 31, 2017, respectively (29,025) (22,179)
Additional paid-in capital 3,077,755 2,677,217
Retained earnings 682,689 717,985
Oasis share of stockholders’ equity 3,734,576 3,375,691
Non-controlling interests 184,304 137,888
Total stockholders’ equity 3,918,880 3,513,579
Total liabilities and stockholders’ equity $ 7,626,142 $ 6,622,929