| Selected Components of Working Capital |
8. SELECTED COMPONENTS OF WORKING CAPITAL
A summary of accounts receivable, net is as follows: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The Partnership | | WES Operating | | | | | | | | | | | | | | | | thousands | | March 31, 2022 | | December 31, 2021 | | March 31, 2022 | | December 31, 2021 | | Trade receivables, net | | $ | 601,640 | | | $ | 436,513 | | | $ | 601,640 | | | $ | 436,513 | | | Other receivables, net | | 7 | | | — | | | 7 | | | — | | | Total accounts receivable, net | | $ | 601,647 | | | $ | 436,513 | | | $ | 601,647 | | | $ | 436,513 | |
A summary of other current assets is as follows: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The Partnership | | WES Operating | | | | | | | | | | | | | | | | thousands | | March 31, 2022 | | December 31, 2021 | | March 31, 2022 | | December 31, 2021 | | NGLs inventory | | $ | 1,953 | | | $ | 3,370 | | | $ | 1,953 | | | $ | 3,370 | | | Imbalance receivables | | 34,757 | | | 25,309 | | | 34,757 | | | 25,309 | | | Prepaid insurance | | 5,792 | | | 10,369 | | | 4,418 | | | 8,538 | | | Contract assets | | 10,897 | | | 5,307 | | | 10,897 | | | 5,307 | | | Other | | 2,998 | | | 1,897 | | | 2,998 | | | 1,897 | | | Total other current assets | | $ | 56,397 | | | $ | 46,252 | | | $ | 55,023 | | | $ | 44,421 | |
A summary of accrued liabilities is as follows: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The Partnership | | WES Operating | | | | | | | | | | | | | | | | thousands | | March 31, 2022 | | December 31, 2021 | | March 31, 2022 | | December 31, 2021 | | Accrued interest expense | | $ | 65,562 | | | $ | 131,177 | | | $ | 65,562 | | | $ | 131,177 | | Short-term asset retirement obligations | | 12,337 | | | 9,934 | | | 12,337 | | | 9,934 | | Short-term remediation and reclamation obligations | | 8,316 | | | 7,454 | | | 8,316 | | | 7,454 | | | Income taxes payable | | 2,190 | | | 1,516 | | | 2,190 | | | 1,516 | | | Contract liabilities | | 8,924 | | | 27,763 | | | 8,924 | | | 27,763 | | | Other | | 62,918 | | | 85,405 | | | 34,980 | | | 32,849 | | | Total accrued liabilities | | $ | 160,247 | | | $ | 263,249 | | | $ | 132,309 | | | $ | 210,693 | |
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