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REVENUES (Tables) | 3 Months Ended
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Mar. 31, 2022
REVENUES. |
Schedule of disaggregation of revenues | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three months ended | ​
​ | ​ | March 31, | ​
(in thousands) |  | 2022 |  | 2021 | ​
Oilfield services transferred at a point in time | ​ | $ | — | ​ | $ | — | ​
Oilfield services transferred over time | ​ | ​ | 284,624 |  | ​ | 182,610 | ​
Total revenues | ​ | $ | 284,624 | ​ | $ | 182,610 | ​
Schedule of contract assets included in accounts receivable | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | March 31, | ​ | December 31,
(in thousands) |  | 2022 |  | 2021
Unbilled trade receivables | ​ | $ | 70,061 | ​ | $ | 50,370

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- Definition Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130551-203045 + Details
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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130545-203045 + Details
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