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Business Segment and Entity wide Disclosures (Tables) | 12 Months Ended
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Dec. 31, 2020
Business Segment and Entity wide Disclosures |
Schedule of operating segment revenues by major service lines | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(in thousands) | ​ | 2020 | ​ | 2019 | ​ | 2018
Technical Services: | ​ | ​ |  | ​ | ​ |  | ​ | ​ |
Pressure Pumping | ​ | $ | 221,597 | ​ | $ | 519,543 | ​ | $ | 945,919
Downhole Tools | ​ | ​ | 195,052 |  | ​ | 414,352 |  | ​ | 423,811
Coiled Tubing | ​ | ​ | 51,616 |  | ​ | 80,758 |  | ​ | 100,049
Nitrogen | ​ | ​ | 30,213 |  | ​ | 45,658 |  | ​ | 49,198
Snubbing | ​ | ​ | 8,016 |  | ​ | 14,520 |  | ​ | 17,818
All other | ​ | ​ | 49,994 |  | ​ | 70,723 |  | ​ | 110,418
Total Technical Services | ​ | $ | 556,488 | ​ | $ | 1,145,554 | ​ | $ | 1,647,213
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Support Services: | ​ |  |  | ​ |  |  | ​ |  |
Rental Tools | ​ | $ | 25,280 | ​ | $ | 51,792 | ​ | $ | 50,809
All other | ​ |  | 16,534 | ​ |  | 25,063 | ​ |  | 22,983
Total Support Services | ​ | $ | 41,814 | ​ | $ | 76,855 | ​ | $ | 73,792
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total Revenues | ​ | $ | 598,302 | ​ | $ | 1,222,409 | ​ | $ | 1,721,005
Schedule of segment reporting information by segment | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ | ​ |  |  | ​ |  |  | ​ |  | Gain on |  | Impairment |  |  | ​
​ | ​ | Technical | ​ | Support | ​ | ​ | ​ | disposition of | ​ | and other | ​ | ​
(in thousands) |  | Services |  | Services |  | Corporate |  | assets, net |  | charges |  | Total
2020 | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ | ​ | ​ | ​ |
Revenues | ​ | $ | 556,488 | ​ | $ | 41,814 | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | 598,302
Operating (loss) profit | ​ | ​ | (82,525) | ​ | ​ | (6,714) | ​ | ​ | (12,426) | ​ | ​ | 9,523 | ​ | ​ | (217,493) | (1) | ​ | (309,635)
Capital expenditures | ​ | ​ | 54,327 | ​ | ​ | 10,224 | ​ | ​ | 514 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 65,065
Depreciation and amortization |  | ​ | 80,877 |  | ​ | 14,377 |  | ​ | 276 |  | ​ | — |  | ​ | — |  | ​ | 95,530
Identifiable assets |  | ​ | 499,764 |  | ​ | 64,457 |  | ​ | 226,284 |  | ​ | — |  | ​ | — |  | ​ | 790,505
2019 |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ | ​ |  | ​ |
Revenues | ​ | $ | 1,145,554 | ​ | $ | 76,855 | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | 1,222,409
Operating (loss) profit | ​ |  | (32,993) | ​ | ​ | 10,016 | ​ | ​ | (12,745) | ​ | ​ | 3,707 | ​ | ​ | (82,273) | (2) | ​ | (114,288)
Capital expenditures | ​ |  | 237,950 | ​ | ​ | 10,330 | ​ | ​ | 2,349 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 250,629
Depreciation and amortization | ​ |  | 154,776 |  | ​ | 15,328 |  | ​ | 305 |  | ​ | — |  | ​ | — |  | ​ | 170,409
Identifiable assets | ​ |  | 848,264 |  | ​ | 72,351 |  | ​ | 132,603 |  | ​ | — |  | ​ | — |  | ​ | 1,053,218
2018 | ​ |  |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ | ​ |  | ​ |
Revenues | ​ | $ | 1,647,213 | ​ | $ | 73,792 | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | 1,721,005
Operating profit (loss) | ​ |  | 216,703 | ​ | ​ | 4,612 | ​ | ​ | (14,629) | ​ | ​ | 3,344 | ​ | ​ | — | ​ | ​ | 210,030
Capital expenditures | ​ |  | 230,262 | ​ | ​ | 10,364 | ​ | ​ | 1,984 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 242,610
Depreciation and amortization | ​ |  | 150,508 |  | ​ | 12,174 |  | ​ | 438 |  | ​ | — |  | ​ | — |  | ​ | 163,120
Identifiable assets | ​ |  | 925,305 |  | ​ | 78,413 |  | ​ | 195,862 |  | ​ | — |  | ​ | — |  | ​ | 1,199,580
​ (1)Represents $212,292 related to technical services, $4,660 related to pension settlement loss and the remainder related to corporate expenses. (2)Represents $80,263 related to technical services and $2,010 related to corporate expenses.
Schedule of revenue by geographical location | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Years ended December 31, | ​ | 2020 |  | 2019 |  | 2018
(in thousands) | ​ | ​ |  | ​ | ​ |  | ​ | ​ |
United States Revenues | ​ | $ | 562,390 | ​ | $ | 1,157,760 | ​ | $ | 1,630,569
International Revenues | ​ | ​ | 35,912 |  | ​ | 64,649 |  | ​ | 90,436
​ | ​ | $ | 598,302 | ​ | $ | 1,222,409 | ​ | $ | 1,721,005

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