b'KOSMOS ENERGY LTD.Notes to Consolidated Financial Statements (Continued)17. Business Segment InformationKosmos is engaged in a single line of business, which is the exploration and development of oiland gas. At December 31, 2018, the Company had operations in four geographic reporting segments:Ghana, Equatorial Guinea, Mauritania/Senegal and the United States. To assess performance of thereporting segments, the Chief Operating Decision Maker (CODM) reviews capital expenditures.Capital expenditures, as defined by the Company, may not be comparable to similarly titled measuresused by other companies and should be considered in conjunction with our consolidated financialstatements and notes thereto. Financial information for each area is presented below:Equatorial Mauritania/ United Corporate &Ghana Guinea(1) Senegal States(2) Other Eliminations(3) Total(in thousands)Year ended December 31, 2018Revenues and other income:Oil and gas revenue . . . . . . . $ 739,070 $360,649 $$ 147,596 $$ (360,649) $ 886,666Gain on sale of assets . . . . . .7,666 7,666Other income, net . . . . . . . . (17) (238)11 150,635 (142,354) 8,037Total revenues and otherincome . . . . . . . . . . . . 739,053 368,077147,607 150,635 (503,003) 902,369Costs and expenses:Oil and gas production . . . . . . 189,104 73,84330,470 5,153 (73,843) 224,727Facilities insurancemodifications, net . . . . . . . 6,9556,955Exploration expenses . . . . . . . 58,276 38,164 7,262 66,962 131,180 (352) 301,492General and administrative . . . 19,342 5,351 5,220 10,534 168,542 (109,133) 99,856Depletion and depreciation . . . 265,805 134,983 61 59,835 4,134 (134,983) 329,835Interest and other financingcosts, net(4) . . . . . . . . . . . 86,738 (12) (25,386) 7,487 39,483 (7,134) 101,176Derivatives, net . . . . . . . . . .(57,615) 26,185(31,430)(Gain) loss on equity methodinvestments, net . . . . . . . .(72,881) (72,881)Other expenses, net . . . . . . . 16,414 (814) (23) 598 3,510 (26,186) (6,501)Total costs and expenses . . . 642,634 251,515 (12,866) 118,271 378,187 (424,512) 953,229Loss before income taxes . . . . . . 96,419 116,562 12,866 29,336 (227,552) (78,491) (50,860)Income tax expense (benefit) . . 34,494 78,4916,163 2,474 (78,491) 43,131Net loss . . . . . . . . . . . . . . . . $ 61,925 $ 38,071 $ 12,866 $ 23,173 $ (230,026) $$ (93,991)Consolidated capital expenditures . $ 105,942 $ 32,156 $ 11,962 $ 95,993 $ 139,381 $$ 385,434As of December 31, 2018Property and equipment, net . . . . $1,698,194 $ 3,919 $411,448 $1,308,670 $ 37,470 $$3,459,701Total assets . . . . . . . . . . . . . . $1,930,071 $ 55,302 $536,620 $3,512,989 $10,349,488 $(12,296,281) $4,088,189(1) Includes our proportionate share of our equity method investment in KTIPI, including our basis difference which is reflected indepletion and depreciation for the year ended December 31, 2018, except for capital expenditures. See Note 7Equity MethodInvestments for additional information regarding our equity method investments.(2) Represents activity commencing September 14, 2018, the DGE acquisition date.(3) Includes elimination of proportionate consolidation amounts recorded for KTIPI to reconcile to (Gain) loss on equity methodinvestments, net as reported in the consolidated statements of operations.(4) Interest expense is recorded based on actual third-party and intercompany debt agreements. Capitalized interest is recorded on thebusiness unit where the assets reside.148'