(11) Segment Information Identification of the majority of our operating segments is based principally upon geographic regions served:  Permian Segment. The Permian segment includes our natural gas gathering, processing, and transmission activities and our crude oil operations in the Midland and Delaware Basins in West Texas and Eastern New Mexico and our crude operations in South Texas;  North Texas Segment. The North Texas segment includes our natural gas gathering, processing, and transmission activities in North Texas;  Oklahoma Segment. The Oklahoma segment includes our natural gas gathering, processing, and transmission activities, and our crude oil operations in the Cana-Woodford, Arkoma-Woodford, northern Oklahoma Woodford, STACK, and CNOW shale areas;  Louisiana Segment. The Louisiana segment includes our natural gas pipelines, natural gas processing plants, storage facilities, fractionation facilities, and NGL assets located in Louisiana and our crude oil operations in ORV; and  Corporate Segment. The Corporate segment includes our unconsolidated affiliate investments in the Cedar Cove JV in Oklahoma, our ownership interest in GCF in South Texas, our derivative activity, and our general corporate assets and expenses. We evaluate the performance of our operating segments based on segment profits. Summarized financial information for our reportable segments is shown in the following tables (in millions): Permian North Texas Oklahoma Louisiana Corporate Totals Three Months Ended June 30, 2020 Natural gas sales $ 32.4 $ 14.6 $ 28.8 $ 68.6 $  $ 144.4 NGL sales (0.1)  0.5 280.9  281.3 Crude oil and condensate sales 87.0  5.0 14.9  106.9 Product sales 119.3 14.6 34.3 364.4  532.6 NGL salesrelated parties 59.5 13.9 56.0 3.2 (132.5) 0.1 Crude oil and condensate salesrelated parties  0.4 0.1  (0.6) (0.1) Product salesrelated parties 59.5 14.3 56.1 3.2 (133.1)  Gathering and transportation 13.1 44.2 52.5 11.5  121.3 Processing 7.5 33.0 32.1 0.6  73.2 NGL services  0.1  18.6  18.7 Crude services 5.0  4.6 11.0  20.6 Other services 0.2 0.2 0.1 0.4  0.9 Midstream services 25.8 77.5 89.3 42.1  234.7 Crude servicesrelated parties   0.1  (0.1)  Midstream servicesrelated parties   0.1  (0.1)  Revenue from contracts with customers 204.6 106.4 179.8 409.7 (133.2) 767.3 Cost of sales (138.4) (18.9) (61.1) (312.5) 133.2 (397.7) Operating expenses (22.7) (18.5) (19.4) (27.5)  (88.1) Loss on derivative activity     (22.4) (22.4) Segment profit (loss) $ 43.5 $ 69.0 $ 99.3 $ 69.7 $ (22.4) $ 259.1 Depreciation and amortization $ (31.0) $ (36.4) $ (54.1) $ (34.6) $ (2.1) $ (158.2) Impairments $  $  $  $ (1.5) $  $ (1.5) Capital expenditures $ 46.9 $ 3.0 $ 3.0 $ 15.6 $ 0.7 $ 69.2 Permian North Texas Oklahoma Louisiana Corporate Totals Three Months Ended June 30, 2019 Natural gas sales $ (1.0) $ 31.9 $ 60.3 $ 102.6 $  $ 193.8 NGL sales 0.8 8.7 4.3 498.8  512.6 Crude oil and condensate sales 632.0  28.6 83.5  744.1 Other   (0.1)   (0.1) Product sales 631.8 40.6 93.1 684.9  1,450.4 Natural gas salesrelated parties 0.4 0.3   (0.7)  NGL salesrelated parties 76.4 22.2 104.6 5.3 (208.5)  Crude oil and condensate salesrelated parties 6.9 1.7   (8.6)  Product salesrelated parties 83.7 24.2 104.6 5.3 (217.8)  Gathering and transportation 11.3 49.0 59.2 16.7  136.2 Processing 7.3 35.7 35.7 0.8  79.5 NGL services    10.0  10.0 Crude services 5.3  5.2 12.9  23.4 Other services 2.9 0.3 0.2 0.2  3.6 Midstream services 26.8 85.0 100.3 40.6  252.7 NGL servicesrelated parties    (0.3) 0.3  Crude servicesrelated parties   1.2  (1.2)  Midstream servicesrelated parties   1.2 (0.3) (0.9)  Revenue from contracts with customers 742.3 149.8 299.2 730.5 (218.7) 1,703.1 Cost of sales (680.5) (51.0) (159.4) (627.9) 218.7 (1,300.1) Operating expenses (28.4) (25.8) (26.1) (37.6)  (117.9) Gain on derivative activity     6.9 6.9 Segment profit $ 33.4 $ 73.0 $ 113.7 $ 65.0 $ 6.9 $ 292.0 Depreciation and amortization $ (30.1) $ (36.9) $ (47.6) $ (36.9) $ (2.2) $ (153.7) Goodwill $  $  $ 190.3 $  $  $ 190.3 Capital expenditures $ 52.4 $ 27.0 $ 70.3 $ 19.5 $ 2.4 $ 171.6 Permian North Texas Oklahoma Louisiana Corporate Totals Six Months Ended June 30, 2020 Natural gas sales $ 47.5 $ 34.7 $ 69.9 $ 150.2 $  $ 302.3 NGL sales 0.1 0.3 1.7 654.6  656.7 Crude oil and condensate sales 372.0  21.2 73.3  466.5 Product sales 419.6 35.0 92.8 878.1  1,425.5 NGL salesrelated parties 105.4 31.1 123.6 10.0 (270.1)  Crude oil and condensate salesrelated parties 0.1 1.9 (0.1)  (1.9)  Product salesrelated parties 105.5 33.0 123.5 10.0 (272.0)  Gathering and transportation 29.4 90.1 108.8 23.2  251.5 Processing 11.8 68.4 65.4 1.3  146.9 NGL services  0.1  38.2  38.3 Crude services 9.2  8.9 21.6  39.7 Other services 0.8 0.5 0.2 0.8  2.3 Midstream services 51.2 159.1 183.3 85.1  478.7 Crude servicesrelated parties   0.2  (0.2)  Midstream servicesrelated parties   0.2  (0.2)  Revenue from contracts with customers 576.3 227.1 399.8 973.2 (272.2) 1,904.2 Cost of sales (452.3) (45.9) (154.8) (772.2) 272.2 (1,153.0) Operating expenses (48.2) (39.0) (42.3) (59.3)  (188.8) Loss on derivative activity     (3.2) (3.2) Segment profit (loss) $ 75.8 $ 142.2 $ 202.7 $ 141.7 $ (3.2) $ 559.2 Depreciation and amortization $ (60.2) $ (73.6) $ (110.7) $ (72.4) $ (4.1) $ (321.0) Impairments $  $  $  $ (169.9) $  $ (169.9) Capital expenditures $ 132.9 $ 7.7 $ 11.5 $ 30.8 $ 1.1 $ 184.0 Permian North Texas Oklahoma Louisiana Corporate Totals Six Months Ended June 30, 2019 Natural gas sales $ 35.1 $ 82.5 $ 121.9 $ 224.8 $  $ 464.3 NGL sales 0.6 18.0 13.2 1,071.9  1,103.7 Crude oil and condensate sales 1,212.8  58.2 142.3  1,413.3 Product sales 1,248.5 100.5 193.3 1,439.0  2,981.3 Natural gas salesrelated parties 0.4 0.3   (0.7)  NGL salesrelated parties 173.6 50.7 230.7 8.5 (463.5)  Crude oil and condensate salesrelated parties 10.9 2.7   (13.6)  Product salesrelated parties 184.9 53.7 230.7 8.5 (477.8)  Gathering and transportation 21.6 112.6 114.5 33.9  282.6 Processing 15.0 56.8 69.8 1.7  143.3 NGL services    21.7  21.7 Crude services 10.5  9.2 26.7  46.4 Other services 4.4 0.5 (0.1) 0.4  5.2 Midstream services 51.5 169.9 193.4 84.4  499.2 NGL servicesrelated parties    (3.3) 3.3  Crude servicesrelated parties   1.5  (1.5)  Midstream servicesrelated parties   1.5 (3.3) 1.8  Revenue from contracts with customers 1,484.9 324.1 618.9 1,528.6 (476.0) 3,480.5 Cost of sales (1,356.7) (124.7) (343.6) (1,314.5) 476.0 (2,663.5) Operating expenses (56.2) (51.5) (51.5) (73.2)  (232.4) Gain on derivative activity     8.7 8.7 Segment profit $ 72.0 $ 147.9 $ 223.8 $ 140.9 $ 8.7 $ 593.3 Depreciation and amortization $ (58.0) $ (71.2) $ (93.7) $ (78.7) $ (4.2) $ (305.8) Goodwill $  $  $ 190.3 $  $  $ 190.3 Capital expenditures $ 148.3 $ 31.3 $ 178.5 $ 60.5 $ 4.0 $ 422.6 The following table reconciles the segment profits reported above to the operating income as reported on the consolidated statements of operations (in millions): Three Months Ended June 30, Six Months Ended June 30, 2020 2019 2020 2019 Segment profit $ 259.1 $ 292.0 $ 559.2 $ 593.3 General and administrative expenses (23.4) (31.9) (54.3) (70.5) Loss on disposition of assets (5.2) (0.1) (4.6) (0.1) Depreciation and amortization (158.2) (153.7) (321.0) (305.8) Impairments (1.5)  (169.9)  Loss on secured term loan receivable  (52.9)  (52.9) Operating income $ 70.8 $ 53.4 $ 9.4 $ 164.0 The table below represents information about segment assets as of June 30, 2020 and December 31, 2019 (in millions): Segment Identifiable Assets: June 30, 2020 December 31, 2019 Permian $ 2,268.5 $ 2,281.1 North Texas 1,061.7 1,135.8 Oklahoma 2,934.4 3,035.0 Louisiana 2,273.7 2,562.0 Corporate 142.8 120.7 Total identifiable assets $ 8,681.1 $ 9,134.6