b'Consolidated Statements of Operations Information:Years Ended December 31,2018 2017 2016 2015 2014(In thousands, except per share data)Revenues and other income:Oil and gas revenue . . . . . . . . . . . . . . . . . . . $886,666 $ 578,139 $ 310,377 $ 446,696 $ 855,877Gain on sale of assets . . . . . . . . . . . . . . . . . . 7,666 24,651 23,769Other income, net . . . . . . . . . . . . . . . . . . . . 8,037 58,697 74,978 209 3,092Total revenues and other income . . . . . . . . . 902,369 636,836 385,355 471,556 882,738Costs and expenses:Oil and gas production . . . . . . . . . . . . . . . . . 224,727 126,850 119,367 105,336 100,122Facilities insurance modifications, net . . . . . . . 6,955 (820) 14,961Exploration expenses. . . . . . . . . . . . . . . . . . . 301,492 216,050 202,280 156,203 93,519General and administrative . . . . . . . . . . . . . . 99,856 68,302 87,623 136,809 135,231Depletion and depreciation . . . . . . . . . . . . . . 329,835 255,203 140,404 155,966 198,080Interest and other financing costs, net . . . . . . . 101,176 77,595 44,147 37,209 45,548Derivatives, net . . . . . . . . . . . . . . . . . . . . . . (31,430) 59,968 48,021 (210,649) (281,853)Restructuring charges . . . . . . . . . . . . . . . . . . 11,742(Gain)loss on equity method investment . . . . . (72,881) 6,252 Other expenses, net . . . . . . . . . . . . . . . . . . . (6,501) 5,291 23,116 5,246 2,081Total costs and expenses . . . . . . . . . . . . . . . 953,229 814,691 679,919 386,120 304,470Income (loss) before income taxes . . . . . . . . . . . (50,860) (177,855) (294,564) 85,436 578,268Income tax expense (benefit) . . . . . . . . . . . . . 43,131 44,937 (10,784) 155,272 298,898Net income (loss) . . . . . . . . . . . . . . . . . . . . . . $(93,991) $(222,792) $(283,780) $ (69,836) $ 279,370Net income (loss) per share:Basic . . . . . . . . . . . . . . . . . . . . . . . . . . . . $ (0.23) $ (0.57) $ (0.74) $ (0.18) $ 0.73Diluted . . . . . . . . . . . . . . . . . . . . . . . . . . $ (0.23) $ (0.57) $ (0.74) $ (0.18) $ 0.72Weighted average number of shares used tocompute net income (loss) per share:Basic . . . . . . . . . . . . . . . . . . . . . . . . . . . . 404,585 388,375 385,402 382,610 379,195Diluted . . . . . . . . . . . . . . . . . . . . . . . . . . 404,585 388,375 385,402 382,610 386,11973'