Biggest changeYear Ended March 31, 2022 Water Solutions Crude Oil Logistics Liquids Logistics Corporate and Other Consolidated (in thousands) Operating income (loss) $ 94,851 $ 45,033 $ (8,441) $ (48,400) $ 83,043 Depreciation and amortization 214,558 48,489 18,714 6,959 288,720 Amortization recorded to cost of sales — — 281 — 281 Net unrealized losses (gains) on derivatives 11,652 (23,664) (2,965) — (14,977) CMA Differential Roll net losses (gains) — 67,738 — — 67,738 Inventory valuation adjustment — — 8,409 — 8,409 Lower of cost or net realizable value adjustments — 2,235 8,627 — 10,862 Loss (gain) on disposal or impairment of assets, net 25,598 (3,101) 71,807 (50) 94,254 Equity-based compensation expense — — — (1,052) (1,052) Acquisition expense 4 — — 63 67 Other income, net 718 353 711 472 2,254 Adjusted EBITDA attributable to unconsolidated entities 2,363 — 14 (145) 2,232 Adjusted EBITDA attributable to noncontrolling interest (2,212) — (528) — (2,740) Revaluation of liabilities (6,495) — — — (6,495) Other 921 9,064 (65) — 9,920 Adjusted EBITDA $ 341,958 $ 146,147 $ 96,564 $ (42,153) $ 542,516 76 Year Ended March 31, 2021 Water Solutions Crude Oil Logistics Liquids Logistics Corporate and Other Continuing Operations Discontinued Operations (TPSL, Mid-Con, Gas Blending) Consolidated (in thousands) Operating (loss) income $ (92,720) $ (304,330) $ 70,441 $ (64,144) $ (390,753) $ — $ (390,753) Depreciation and amortization 222,107 60,874 29,184 5,062 317,227 — 317,227 Amortization recorded to cost of sales — — 307 — 307 — 307 Net unrealized losses (gains) on derivatives 24,500 23,432 (566) — 47,366 — 47,366 Inventory valuation adjustment — — 1,197 — 1,197 — 1,197 Lower of cost or net realizable value adjustments — (29,458) (617) — (30,075) — (30,075) Loss on disposal or impairment of assets, net 76,942 384,143 3,350 11,001 475,436 — 475,436 Equity-based compensation expense — — — 6,727 6,727 — 6,727 Acquisition expense 27 — — 1,684 1,711 — 1,711 Other income (expense), net 266 1,565 1,301 (39,635) (36,503) — (36,503) Adjusted EBITDA attributable to unconsolidated entities 3,019 — (3) (252) 2,764 — 2,764 Adjusted EBITDA attributable to noncontrolling interest (1,647) — (2,887) — (4,534) — (4,534) Revaluation of liabilities 6,261 — — — 6,261 — 6,261 Class D Preferred Unitholder consent fee — — — 40,000 40,000 — 40,000 Intersegment transactions (1) — — (27) — (27) — (27) Other 2,751 8,317 100 — 11,168 — 11,168 Discontinued operations — — — — — (621) (621) Adjusted EBITDA $ 241,506 $ 144,543 $ 101,780 $ (39,557) $ 448,272 $ (621) $ 447,651 77 Year Ended March 31, 2020 Water Solutions Crude Oil Logistics Liquids Logistics Corporate and Other Continuing Operations Discontinued Operations (TPSL, Mid-Con, Gas Blending) Consolidated (in thousands) Operating (loss) income $ (173,064) $ 117,768 $ 142,411 $ (90,447) $ (3,332) $ — $ (3,332) Depreciation and amortization 163,588 70,759 27,930 3,035 265,312 — 265,312 Amortization recorded to cost of sales — — 349 — 349 — 349 Net unrealized (gains) losses on derivatives (29,861) (11,315) 2,619 — (38,557) — (38,557) Inventory valuation adjustment — — (2,150) — (2,150) — (2,150) Lower of cost or net realizable value adjustments — 29,469 2,724 — 32,193 — 32,193 Loss (gain) on disposal or impairment of assets, net 255,285 (1,144) 7,645 — 261,786 — 261,786 Equity-based compensation expense — — — 26,510 26,510 — 26,510 Acquisition expense 4,079 — — 15,643 19,722 — 19,722 Other (expense) income, net (448) 717 21 1,394 1,684 — 1,684 Adjusted EBITDA attributable to unconsolidated entities 2,152 — 24 (263) 1,913 — 1,913 Adjusted EBITDA attributable to noncontrolling interest (1,210) — (1,842) — (3,052) — (3,052) Revaluation of liabilities 9,194 — — — 9,194 — 9,194 Intersegment transactions (1) — — 2,099 — 2,099 — 2,099 Other 2,607 12,965 214 — 15,786 — 15,786 Discontinued operations — — — — — (42,270) (42,270) Adjusted EBITDA $ 232,322 $ 219,219 $ 182,044 $ (44,128) $ 589,457 $ (42,270) $ 547,187 (1) Amount reflects the transactions with TPSL, Mid-Con and Gas Blending that are eliminated in consolidation.
Biggest changeYear Ended March 31, 2023 Water Solutions Crude Oil Logistics Liquids Logistics Corporate and Other Consolidated (in thousands) Operating income (loss) $ 198,924 $ 81,524 $ 66,624 $ (57,909) $ 289,163 Depreciation and amortization 207,081 46,577 13,301 6,662 273,621 Amortization recorded to cost of sales — — 274 — 274 Net unrealized (gains) losses on derivatives (4,464) (50,104) 2,951 1,179 (50,438) CMA Differential Roll net losses (gains) — 3,547 — — 3,547 Inventory valuation adjustment — — (7,795) — (7,795) Lower of cost or net realizable value adjustments — (2,247) (9,287) — (11,534) Loss (gain) on disposal or impairment of assets, net 46,431 31,086 10,283 (912) 86,888 Equity-based compensation expense — — — 2,718 2,718 Acquisition expense 29 — — 89 118 Other income (expense), net 70 330 (1,665) 30,013 28,748 Adjusted EBITDA attributable to unconsolidated entities 4,759 — 27 176 4,962 Adjusted EBITDA attributable to noncontrolling interest (2,269) — — — (2,269) Revaluation of liabilities 9,665 — — — 9,665 Other 2,865 203 1,933 6 5,007 Adjusted EBITDA $ 463,091 $ 110,916 $ 76,646 $ (17,978) $ 632,675 Year Ended March 31, 2022 Water Solutions Crude Oil Logistics Liquids Logistics Corporate and Other Consolidated (in thousands) Operating income (loss) $ 94,851 $ 45,033 $ (8,441) $ (48,400) $ 83,043 Depreciation and amortization 214,558 48,489 18,714 6,959 288,720 Amortization recorded to cost of sales — — 281 — 281 Net unrealized losses (gains) on derivatives 11,652 (23,664) (2,965) — (14,977) CMA Differential Roll net losses (gains) — 67,738 — — 67,738 Inventory valuation adjustment — — 8,409 — 8,409 Lower of cost or net realizable value adjustments — 2,235 8,627 — 10,862 Loss (gain) on disposal or impairment of assets, net 25,598 (3,101) 71,807 (50) 94,254 Equity-based compensation expense — — — (1,052) (1,052) Acquisition expense 4 — — 63 67 Other income, net 718 353 711 472 2,254 Adjusted EBITDA attributable to unconsolidated entities 2,363 — 14 (145) 2,232 Adjusted EBITDA attributable to noncontrolling interest (2,212) — (528) — (2,740) Revaluation of liabilities (6,495) — — — (6,495) Other 921 9,064 (65) — 9,920 Adjusted EBITDA $ 341,958 $ 146,147 $ 96,564 $ (42,153) $ 542,516 76 Year Ended March 31, 2021 Water Solutions Crude Oil Logistics Liquids Logistics Corporate and Other Continuing Operations Discontinued Operations (TPSL, Mid-Con, Gas Blending) Consolidated (in thousands) Operating (loss) income $ (92,720) $ (304,330) $ 70,441 $ (64,144) $ (390,753) $ — $ (390,753) Depreciation and amortization 222,107 60,874 29,184 5,062 317,227 — 317,227 Amortization recorded to cost of sales — — 307 — 307 — 307 Net unrealized losses (gains) on derivatives 24,500 23,432 (566) — 47,366 — 47,366 Inventory valuation adjustment — — 1,197 — 1,197 — 1,197 Lower of cost or net realizable value adjustments — (29,458) (617) — (30,075) — (30,075) Loss on disposal or impairment of assets, net 76,942 384,143 3,350 11,001 475,436 — 475,436 Equity-based compensation expense — — — 6,727 6,727 — 6,727 Acquisition expense 27 — — 1,684 1,711 — 1,711 Other income (expense), net 266 1,565 1,301 (39,635) (36,503) — (36,503) Adjusted EBITDA attributable to unconsolidated entities 3,019 — (3) (252) 2,764 — 2,764 Adjusted EBITDA attributable to noncontrolling interest (1,647) — (2,887) — (4,534) — (4,534) Revaluation of liabilities 6,261 — — — 6,261 — 6,261 Class D Preferred Unitholder consent fee — — — 40,000 40,000 — 40,000 Intersegment transactions (1) — — (27) — (27) — (27) Other 2,751 8,317 100 — 11,168 — 11,168 Discontinued operations — — — — — (621) (621) Adjusted EBITDA $ 241,506 $ 144,543 $ 101,780 $ (39,557) $ 448,272 $ (621) $ 447,651 (1) Amount reflects the transactions with TPSL, Mid-Con and Gas Blending that are eliminated in consolidation.
During the year ended March 31, 2021, we recorded a net loss of $145.8 million for the impairment of an intangible asset, related to a rejected transportation agreement with Extraction (see Note 17 to our consolidated financial statements included in this Annual Report) and a net loss of $237.8 million for the impairment of goodwill (see Note 5 to our consolidated financial statements included in this Annual Report). 59 Liquids Logistics The following table summarizes the operating results of our Liquids Logistics segment for the periods indicated: Year Ended March 31, 2022 2021 Change (in thousands, except per gallon amounts) Refined products sales: Revenues-excluding impact of derivatives (1) $ 1,899,898 $ 1,124,087 $ 775,811 Cost of sales-excluding impact of derivatives 1,876,728 1,108,493 768,235 Derivative loss 2,907 930 1,977 Product margin 20,263 14,664 5,599 Propane sales: Revenues (1) 1,325,941 1,027,582 298,359 Cost of sales-excluding impact of derivatives 1,313,765 949,402 364,363 Derivative (gain) loss (20,519) 10,994 (31,513) Product margin 32,695 67,186 (34,491) Butane sales: Revenues (1) 863,348 517,857 345,491 Cost of sales-excluding impact of derivatives 794,180 469,394 324,786 Derivative loss 18,690 22,353 (3,663) Product margin 50,478 26,110 24,368 Other product sales: Revenues-excluding impact of derivatives (1) 791,125 446,744 344,381 Cost of sales-excluding impact of derivatives 748,392 424,191 324,201 Derivative loss (gain) 15,812 (7,078) 22,890 Product margin 26,921 29,631 (2,710) Service revenues: Revenues (1) 16,200 33,915 (17,715) Cost of sales 1,404 4,751 (3,347) Product margin 14,796 29,164 (14,368) Expenses: Operating expenses 55,907 55,273 634 General and administrative expenses 7,166 8,507 (1,341) Depreciation and amortization expense 18,714 29,184 (10,470) Loss on disposal or impairment of assets, net 71,807 3,350 68,457 Total expenses 153,594 96,314 57,280 Segment operating (loss) income $ (8,441) $ 70,441 $ (78,882) 60 Year Ended March 31, 2022 2021 Change (in thousands, except per gallon amounts) Natural gas liquids and refined products storage capacity - owned and leased (gallons) (2)(3) 156,219 427,975 (271,756) Refined products sold (gallons) 776,797 834,717 (57,920) Refined products sold ($/gallon) $ 2.446 $ 1.347 $ 1.099 Cost per refined products sold ($/gallon) (4) $ 2.416 $ 1.328 $ 1.088 Refined products product margin ($/gallon) (4) $ 0.030 $ 0.019 $ 0.011 Refined products inventory (gallons) (2) 1,090 1,223 (133) Propane sold (gallons) 1,034,706 1,364,224 (329,518) Propane sold ($/gallon) $ 1.281 $ 0.753 $ 0.528 Cost per propane sold ($/gallon) (4) $ 1.270 $ 0.696 $ 0.574 Propane product margin ($/gallon) (4) $ 0.011 $ 0.057 $ (0.046) Propane inventory (gallons) (2) 37,719 51,026 (13,307) Propane storage capacity leased to third parties (gallons) (2)(3) — 53,947 (53,947) Butane sold (gallons) 588,032 655,256 (67,224) Butane sold ($/gallon) $ 1.468 $ 0.790 $ 0.678 Cost per butane sold ($/gallon) (4) $ 1.351 $ 0.716 $ 0.635 Butane product margin ($/gallon) (4) $ 0.117 $ 0.074 $ 0.043 Butane inventory (gallons) (2) 19,825 20,066 (241) Butane storage capacity leased to third parties (gallons) (2)(3) — 56,700 (56,700) Other products sold (gallons) 376,906 471,245 (94,339) Other products sold ($/gallon) $ 2.099 $ 0.948 $ 1.151 Cost per other products sold ($/gallon) (4) $ 1.986 $ 0.900 $ 1.086 Other products product margin ($/gallon) (4) $ 0.113 $ 0.048 $ 0.065 Other products inventory (gallons) (2) 18,614 19,195 (581) (1) Revenues include $1.3 million and $6.1 million of intersegment sales during the years ended March 31, 2022 and 2021, respectively, that are eliminated in our consolidated statements of operations.
During the year ended March 31, 2021, we recorded a net loss of $145.8 million for the impairment of an intangible asset, related to a rejected transportation agreement with Extraction (see Note 17 to our consolidated financial statements included in this Annual Report) and a net loss of $237.8 million for the impairment of goodwill (see Note 5 to our consolidated financial statements included in this Annual Report). 68 Liquids Logistics The following table summarizes the operating results of our Liquids Logistics segment for the periods indicated: Year Ended March 31, 2022 2021 Change (in thousands, except per gallon amounts) Refined products sales: Revenues-excluding impact of derivatives (1) $ 1,899,898 $ 1,124,087 $ 775,811 Cost of sales-excluding impact of derivatives 1,876,728 1,108,493 768,235 Derivative loss 2,907 930 1,977 Product margin 20,263 14,664 5,599 Propane sales: Revenues (1) 1,325,941 1,027,582 298,359 Cost of sales-excluding impact of derivatives 1,313,765 949,402 364,363 Derivative (gain) loss (20,519) 10,994 (31,513) Product margin 32,695 67,186 (34,491) Butane sales: Revenues (1) 863,348 517,857 345,491 Cost of sales-excluding impact of derivatives 794,180 469,394 324,786 Derivative loss 18,690 22,353 (3,663) Product margin 50,478 26,110 24,368 Other product sales: Revenues-excluding impact of derivatives (1) 791,125 446,744 344,381 Cost of sales-excluding impact of derivatives 748,392 424,191 324,201 Derivative loss (gain) 15,812 (7,078) 22,890 Product margin 26,921 29,631 (2,710) Service revenues: Revenues (1) 16,200 33,915 (17,715) Cost of sales 1,404 4,751 (3,347) Product margin 14,796 29,164 (14,368) Expenses: Operating expenses 55,907 55,273 634 General and administrative expenses 7,166 8,507 (1,341) Depreciation and amortization expense 18,714 29,184 (10,470) Loss on disposal or impairment of assets, net 71,807 3,350 68,457 Total expenses 153,594 96,314 57,280 Segment operating (loss) income $ (8,441) $ 70,441 $ (78,882) 69 Year Ended March 31, 2022 2021 Change (in thousands, except per gallon amounts) Natural gas liquids and refined products storage capacity - owned and leased (gallons) (2)(3) 156,219 427,975 (271,756) Refined products sold (gallons) 776,797 834,717 (57,920) Refined products sold ($/gallon) $ 2.446 $ 1.347 $ 1.099 Cost per refined products sold ($/gallon) (4) $ 2.416 $ 1.328 $ 1.088 Refined products product margin ($/gallon) (4) $ 0.030 $ 0.019 $ 0.011 Refined products inventory (gallons) (2) 1,090 1,223 (133) Propane sold (gallons) 1,034,706 1,364,224 (329,518) Propane sold ($/gallon) $ 1.281 $ 0.753 $ 0.528 Cost per propane sold ($/gallon) (4) $ 1.270 $ 0.696 $ 0.574 Propane product margin ($/gallon) (4) $ 0.011 $ 0.057 $ (0.046) Propane inventory (gallons) (2) 37,719 51,026 (13,307) Propane storage capacity leased to third parties (gallons) (2)(3) — 53,947 (53,947) Butane sold (gallons) 588,032 655,256 (67,224) Butane sold ($/gallon) $ 1.468 $ 0.790 $ 0.678 Cost per butane sold ($/gallon) (4) $ 1.351 $ 0.716 $ 0.635 Butane product margin ($/gallon) (4) $ 0.117 $ 0.074 $ 0.043 Butane inventory (gallons) (2) 19,825 20,066 (241) Butane storage capacity leased to third parties (gallons) (2)(3) — 56,700 (56,700) Other products sold (gallons) 376,906 471,245 (94,339) Other products sold ($/gallon) $ 2.099 $ 0.948 $ 1.151 Cost per other products sold ($/gallon) (4) $ 1.986 $ 0.900 $ 1.086 Other products product margin ($/gallon) (4) $ 0.113 $ 0.048 $ 0.065 Other products inventory (gallons) (2) 18,614 19,195 (581) (1) Revenues include $1.3 million and $6.1 million of intersegment sales during the years ended March 31, 2022 and 2021, respectively, that are eliminated in our consolidated statements of operations.
The guarantee of our Senior Unsecured Notes by each Guarantor Subsidiary is subject to certain automatic customary releases, including in connection with the sale, disposition or transfer of all of the capital stock, or of all or substantially all of the assets, of such Guarantor Subsidiary to one or more persons that are not us or a restricted subsidiary, the exercise of legal defeasance or covenant defeasance options, the satisfaction and 83 discharge of the indentures governing our Senior Unsecured Notes, the designation of such Guarantor Subsidiary as a non-guarantor restricted subsidiary or as an unrestricted subsidiary in accordance with the indentures governing our Senior Unsecured Notes, the release of such Guarantor Subsidiary from its guarantee under our revolving credit facility, the liquidation or dissolution of such Guarantor Subsidiary or upon the consolidation, merger or transfer of all assets of the Guarantor Subsidiary to us or another Guarantor Subsidiary in which the Guarantor Subsidiary dissolves or ceases to exist (collectively, the “Releases”).
The guarantee of our Senior Unsecured Notes by each Guarantor Subsidiary is subject to certain automatic customary releases, including in connection with the sale, disposition or transfer of all of the capital stock, or of all or substantially all of the assets, of such Guarantor Subsidiary to one or more persons that are not us or a restricted subsidiary, the exercise of legal defeasance or covenant defeasance options, the satisfaction and discharge of the indentures governing our Senior Unsecured Notes, the designation of such Guarantor Subsidiary as a non-guarantor restricted subsidiary or as an unrestricted subsidiary in accordance with the indentures governing our Senior Unsecured Notes, the release of such Guarantor Subsidiary from its guarantee under our revolving credit facility, the liquidation or dissolution of such Guarantor Subsidiary or upon the consolidation, merger or transfer of all assets of the Guarantor Subsidiary to us or another Guarantor Subsidiary in which the Guarantor Subsidiary dissolves or ceases to exist (collectively, the “Releases”).
During the year ended March 31, 2021, we recorded an impairment loss of approximately $3.3 million due to the write down in value of a terminal we have ceased operating. 62 Corporate and Other The operating loss within “Corporate and Other” includes the following components for the periods indicated: Year Ended March 31, 2022 2021 Change (in thousands) Other revenues: Revenues $ — $ 1,255 $ (1,255) Cost of sales — 1,816 (1,816) Loss — (561) 561 Expenses: General and administrative expenses 41,491 47,520 (6,029) Depreciation and amortization expense 6,959 5,062 1,897 (Gain) loss on disposal or impairment of assets, net (50) 11,001 (11,051) Total expenses 48,400 63,583 (15,183) Operating loss $ (48,400) $ (64,144) $ 15,744 General and Administrative Expenses .
During the year ended March 31, 2021, we recorded an impairment loss of approximately $3.3 million due to the write down in value of a terminal we have ceased operating. 71 Corporate and Other The operating loss within “Corporate and Other” includes the following components for the periods indicated: Year Ended March 31, 2022 2021 Change (in thousands) Other revenues: Revenues $ — $ 1,255 $ (1,255) Cost of sales — 1,816 (1,816) Loss — (561) 561 Expenses: General and administrative expenses 41,491 47,520 (6,029) Depreciation and amortization expense 6,959 5,062 1,897 (Gain) loss on disposal or impairment of assets, net (50) 11,001 (11,051) Total expenses 48,400 63,583 (15,183) Operating loss $ (48,400) $ (64,144) $ 15,744 General and Administrative Expenses .
Interest Expense The following table summarizes the components of our consolidated interest expense for the periods indicated: Year Ended March 31, 2022 2021 Change (in thousands) Senior secured notes $ 153,750 $ 24,344 $ 129,406 Senior unsecured notes 87,766 96,711 (8,945) Amortization of debt issuance costs 16,960 13,420 3,540 Revolving credit facility 10,077 46,500 (36,423) Other 3,087 17,824 (14,737) Total $ 271,640 $ 198,799 $ 72,841 The increase of $72.8 million during the year ended March 31, 2022 was primarily due to the issuance of the 7.5% senior secured notes due 2026 (“2026 Senior Secured Notes”) which resulted in us paying a higher interest rate on certain refinanced indebtedness.
Interest Expense The following table summarizes the components of our consolidated interest expense for the periods indicated: Year Ended March 31, 2022 2021 Change (in thousands) Senior secured notes $ 153,750 $ 24,344 $ 129,406 Senior unsecured notes 87,766 96,711 (8,945) Revolving credit facility 10,077 46,500 (36,423) Other indebtedness 3,087 17,824 (14,737) Total debt interest expense 254,680 185,379 69,301 Amortization of debt issuance costs 16,960 13,420 3,540 Total interest expense $ 271,640 $ 198,799 $ 72,841 The debt interest expense increased $69.3 million during the year ended March 31, 2022 due primarily to the issuance of the 7.5% senior secured notes due 2026 (“2026 Senior Secured Notes”) which resulted in us paying a higher interest rate on certain refinanced indebtedness.
Refined Products product margins per gallon of refined products sold for the year ended March 31, 2022 increased from the year ended March 31, 2021 primarily due to supply being short during the three months ended December 31, 2021, as a result of extended refinery downtime in certain markets in which we compete, and being well positioned during the extreme volatility surrounding global events occurring in the three months ended March 31, 2022.
Refined Products product margins, excluding the impact of derivatives, for the year ended March 31, 2022 increased from the year ended March 31, 2021 primarily due to supply being short during the three months ended December 31, 2021, as a result of extended refinery downtime in certain markets in which we compete, and being well positioned during the extreme volatility surrounding global events occurring in the three months ended March 31, 2022.
Crude Oil Logistics The following table summarizes the operating results of our Crude Oil Logistics segment for the periods indicated: Year Ended March 31, 2022 2021 Change (in thousands, except per barrel amounts) Revenues: Crude oil sales $ 2,432,393 $ 1,574,699 $ 857,694 Crude oil transportation and other 84,171 153,588 (69,417) Total revenues (1) 2,516,564 1,728,287 788,277 Expenses: Cost of sales-excluding impact of derivatives 2,271,973 1,473,330 798,643 Derivative loss 92,027 49,314 42,713 Operating expenses 54,606 56,918 (2,312) General and administrative expenses 7,537 8,038 (501) Depreciation and amortization expense 48,489 60,874 (12,385) (Gain) loss on disposal or impairment of assets, net (3,101) 384,143 (387,244) Total expenses 2,471,531 2,032,617 438,914 Segment operating income (loss) $ 45,033 $ (304,330) $ 349,363 Crude oil sold (barrels) 31,091 38,349 (7,258) Crude oil transported on owned pipelines (barrels) 28,410 32,797 (4,387) Crude oil storage capacity - owned and leased (barrels) (2) 5,232 5,239 (7) Crude oil storage capacity leased to third parties (barrels) (2) 1,501 1,501 — Crude oil inventory (barrels) (2) 1,339 1,201 138 Crude oil sold ($/barrel) $ 78.235 $ 41.062 $ 37.173 Cost per crude oil sold ($/barrel) (3) $ 73.075 $ 38.419 $ 34.656 Crude oil product margin ($/barrel) (3) $ 5.160 $ 2.643 $ 2.517 (1) Revenues include $11.1 million and $6.7 million of intersegment sales during the years ended March 31, 2022 and 2021, respectively, that are eliminated in our consolidated statements of operations.
During the year ended March 31, 2021, there was an increase in expense for the valuation of our contingent consideration liabilities related to royalty agreements acquired as part of certain business combinations due primarily to higher expected production from new customers, resulting in an increase to the expected future royalty payment. 66 Crude Oil Logistics The following table summarizes the operating results of our Crude Oil Logistics segment for the periods indicated: Year Ended March 31, 2022 2021 Change (in thousands, except per barrel amounts) Revenues: Crude oil sales $ 2,432,393 $ 1,574,699 $ 857,694 Crude oil transportation and other 84,171 153,588 (69,417) Total revenues (1) 2,516,564 1,728,287 788,277 Expenses: Cost of sales-excluding impact of derivatives 2,271,973 1,473,330 798,643 Derivative loss 92,027 49,314 42,713 Operating expenses 54,606 56,918 (2,312) General and administrative expenses 7,537 8,038 (501) Depreciation and amortization expense 48,489 60,874 (12,385) (Gain) loss on disposal or impairment of assets, net (3,101) 384,143 (387,244) Total expenses 2,471,531 2,032,617 438,914 Segment operating income (loss) $ 45,033 $ (304,330) $ 349,363 Crude oil sold (barrels) 31,091 38,349 (7,258) Crude oil transported on owned pipelines (barrels) 28,410 32,797 (4,387) Crude oil storage capacity - owned and leased (barrels) (2) 5,232 5,239 (7) Crude oil storage capacity leased to third parties (barrels) (2) 1,501 1,501 — Crude oil inventory (barrels) (2) 1,339 1,201 138 Crude oil sold ($/barrel) $ 78.235 $ 41.062 $ 37.173 Cost per crude oil sold ($/barrel) (3) $ 73.075 $ 38.419 $ 34.656 Crude oil product margin ($/barrel) (3) $ 5.160 $ 2.643 $ 2.517 (1) Revenues include $11.1 million and $6.7 million of intersegment sales during the years ended March 31, 2022 and 2021, respectively, that are eliminated in our consolidated statements of operations.
Cash Flows The following table summarizes the sources (uses) of our cash flows from continuing operations for the periods indicated: Year Ended March 31, Cash Flows Provided by (Used in): 2022 2021 2020 (in thousands) Operating activities, before changes in operating assets and liabilities $ 342,362 $ 295,301 $ 342,736 Changes in operating assets and liabilities (136,516) 10,462 39,690 Operating activities-continuing operations $ 205,846 $ 305,763 $ 382,426 Investing activities-continuing operations $ (212,408) $ (221,493) $ (1,737,620) Financing activities-continuing operations $ 5,555 $ (100,376) $ 978,833 Operating Activities-Continuing Operations.
Cash Flows The following table summarizes the sources (uses) of our cash flows from continuing operations for the periods indicated: Year Ended March 31, Cash Flows Provided by (Used in): 2023 2022 2021 (in thousands) Operating activities, before changes in operating assets and liabilities $ 447,024 $ 342,362 $ 295,301 Changes in operating assets and liabilities (1,838) (136,516) 10,462 Operating activities-continuing operations $ 445,186 $ 205,846 $ 305,763 Investing activities-continuing operations $ 64,188 $ (212,408) $ (221,493) Financing activities-continuing operations $ (507,765) $ 5,555 $ (100,376) Operating Activities-Continuing Operations.
The following tables reconcile depreciation and amortization amounts per the EBITDA table above to depreciation and amortization amounts reported in our consolidated statements of operations and consolidated statements of cash flows for the periods indicated: Year Ended March 31, 2022 2021 2020 (in thousands) Reconciliation to consolidated statements of operations: Depreciation and amortization per EBITDA table $ 287,943 $ 314,476 $ 265,147 Intangible asset amortization recorded to cost of sales (281) (307) (349) Depreciation and amortization of unconsolidated entities (768) (756) (561) Depreciation and amortization attributable to noncontrolling interests 1,826 3,814 3,535 Depreciation and amortization attributable to discontinued operations — — (2,460) Depreciation and amortization per consolidated statements of operations $ 288,720 $ 317,227 $ 265,312 Reconciliation to consolidated statements of cash flows: Depreciation and amortization per EBITDA table $ 287,943 $ 314,476 $ 265,147 Amortization of debt issuance costs recorded to interest expense 16,960 13,419 10,901 Amortization of royalty expense recorded to operating expense 247 247 286 Depreciation and amortization of unconsolidated entities (768) (756) (561) Depreciation and amortization attributable to noncontrolling interests 1,826 3,814 3,535 Depreciation and amortization attributable to discontinued operations — — (2,460) Depreciation and amortization per consolidated statements of cash flows $ 306,208 $ 331,200 $ 276,848 The following table reconciles interest expense per the EBITDA table above to interest expense reported in our consolidated statements of operations for the periods indicated: Year Ended March 31, 2022 2021 2020 (in thousands) Interest expense per EBITDA table $ 271,689 $ 198,823 $ 181,357 Interest expense attributable to noncontrolling interests 16 47 — Interest expense attributable to unconsolidated entities (65) (71) (62) Interest expense attributable to discontinued operations — — (111) Interest expense per consolidated statements of operations $ 271,640 $ 198,799 $ 181,184 75 The following table summarizes additional amounts attributable to discontinued operations in the EBITDA table above for the periods indicated: Year Ended March 31, 2021 2020 (in thousands) Income tax (benefit) expense $ (53) $ 20 Inventory valuation adjustment $ 27 $ (27,526) Lower of cost or net realizable value adjustments $ (27) $ (991) Loss on disposal or impairment of assets, net $ 1,174 $ 203,990 The following tables reconcile operating income (loss) to Adjusted EBITDA by segment for the periods indicated.
The following tables reconcile depreciation and amortization amounts per the EBITDA table above to depreciation and amortization amounts reported in our consolidated statements of operations and consolidated statements of cash flows for the periods indicated: Year Ended March 31, 2023 2022 2021 (in thousands) Depreciation and amortization per EBITDA table $ 273,544 $ 287,943 $ 314,476 Intangible asset amortization recorded to cost of sales (274) (281) (307) Depreciation and amortization of unconsolidated entities (783) (768) (756) Depreciation and amortization attributable to noncontrolling interests 1,134 1,826 3,814 Depreciation and amortization per consolidated statements of operations $ 273,621 $ 288,720 $ 317,227 Depreciation and amortization per EBITDA table $ 273,544 $ 287,943 $ 314,476 Amortization of debt issuance costs recorded to interest expense 16,737 16,960 13,419 Amortization of royalty expense recorded to operating expense 247 247 247 Depreciation and amortization of unconsolidated entities (783) (768) (756) Depreciation and amortization attributable to noncontrolling interests 1,134 1,826 3,814 Depreciation and amortization per consolidated statements of cash flows $ 290,879 $ 306,208 $ 331,200 The following table reconciles interest expense per the EBITDA table above to interest expense reported in our consolidated statements of operations for the periods indicated: Year Ended March 31, 2023 2022 2021 (in thousands) Interest expense per EBITDA table $ 275,505 $ 271,689 $ 198,823 Interest expense attributable to unconsolidated entities (60) (65) (71) Interest expense attributable to noncontrolling interests — 16 47 Interest expense per consolidated statements of operations $ 275,445 $ 271,640 $ 198,799 The following table summarizes additional amounts attributable to discontinued operations in the EBITDA table above for the year ended March 31, 2021 (in thousands): Income tax benefit $ (53) Inventory valuation adjustment $ 27 Lower of cost or net realizable value adjustments $ (27) Loss on disposal or impairment of assets, net $ 1,174 75 The following tables reconcile operating income (loss) to Adjusted EBITDA by segment for the periods indicated.
During the year ended March 31, 2022, physical volumes on the Grand Mesa Pipeline averaged approximately 78,000 barrels per day, compared to approximately 90,000 barrels per day for the year ended March 31, 2021 (volume amounts are from both internal and external parties).
During the year ended March 31, 2022, physical volumes on the Grand Mesa Pipeline averaged approximately 78,000 barrels per day, compared to approximately 90,000 barrels per day for the year ended March 31, 2021 (volume amounts are from both internal and external parties). The decline was primarily due to the court approved rejection of the Extraction Oil & Gas, Inc.
The following table reconciles net loss to EBITDA and Adjusted EBITDA for the periods indicated: Year Ended March 31, 2022 2021 2020 (in thousands) Net loss $ (184,101) $ (639,187) $ (398,780) Less: Net (income) loss attributable to noncontrolling interests (655) (632) 1,773 Net loss attributable to NGL Energy Partners LP (184,756) (639,819) (397,007) Interest expense 271,689 198,823 181,357 Income tax expense (benefit) 971 (3,444) 365 Depreciation and amortization 287,943 314,476 265,147 EBITDA 375,847 (129,964) 49,862 Net unrealized (gains) losses on derivatives (14,977) 47,366 (38,557) CMA Differential Roll net losses (gains) (1) 67,738 — — Inventory valuation adjustment (2) 8,409 1,224 (29,676) Lower of cost or net realizable value adjustments 10,862 (30,102) 31,202 Loss on disposal or impairment of assets, net 94,059 476,601 464,483 (Gain) loss on early extinguishment of liabilities, net (1,851) 16,692 (1,341) Equity-based compensation expense (3) (1,052) 6,727 26,510 Acquisition expense (4) 67 1,711 19,722 Revaluation of liabilities (5) (6,495) 6,261 9,194 Class D Preferred Unitholder consent fee (6) — 40,000 — Other (7) 9,909 11,135 15,788 Adjusted EBITDA $ 542,516 $ 447,651 $ 547,187 Adjusted EBITDA - Discontinued Operations (8) $ — $ (621) $ (42,270) Adjusted EBITDA - Continuing Operations $ 542,516 $ 448,272 $ 589,457 (1) Adjustment to align, within Adjusted EBITDA, the net gains and losses of the Partnership’s CMA Differential Roll derivative instruments positions with the physical margin being hedged.
The following table reconciles net income (loss) to EBITDA and Adjusted EBITDA for the periods indicated: Year Ended March 31, 2023 2022 2021 (in thousands) Net income (loss) $ 52,492 $ (184,101) $ (639,187) Less: Net income attributable to noncontrolling interests (1,106) (655) (632) Net income (loss) attributable to NGL Energy Partners LP 51,386 (184,756) (639,819) Interest expense 275,505 271,689 198,823 Income tax expense (benefit) 271 971 (3,444) Depreciation and amortization 273,544 287,943 314,476 EBITDA 600,706 375,847 (129,964) Net unrealized (gains) losses on derivatives (50,438) (14,977) 47,366 CMA Differential Roll net losses (gains) (1) 3,547 67,738 — Inventory valuation adjustment (2) (7,795) 8,409 1,224 Lower of cost or net realizable value adjustments (11,534) 10,862 (30,102) Loss on disposal or impairment of assets, net 86,872 94,059 476,601 (Gain) loss on early extinguishment of liabilities, net (6,177) (1,851) 16,692 Equity-based compensation expense 2,718 (1,052) 6,727 Acquisition expense (3) 118 67 1,711 Revaluation of liabilities (4) 9,665 (6,495) 6,261 Class D Preferred Unitholder consent fee (5) — — 40,000 Other (6) 4,993 9,909 11,135 Adjusted EBITDA $ 632,675 $ 542,516 $ 447,651 Adjusted EBITDA - Discontinued Operations (7) $ — $ — $ (621) Adjusted EBITDA - Continuing Operations $ 632,675 $ 542,516 $ 448,272 (1) Adjustment to align, within Adjusted EBITDA, the net gains and losses of the Partnership’s CMA Differential Roll derivative instruments positions with the physical margin being hedged.