| 股號 / 名稱 | 負債比 |
| NE Noble Corp (Cayman Island) | 0.28 |
| HP Helmerich and Payne Inc | 0.37 |
| ICD Independence Contract Drilling Inc | 0.46 |
| RIG Transocean Ltd | 0.46 |
| PTEN Patterson-UTI Energy Inc | 0.47 |
| PDS Precision Drilling Corp | 0.56 |
| VAL Valaris Ltd | 0.59 |
| BORR Borr Drilling Ltd | 0.72 |
| NBR Nabors Industries Ltd | 0.91 |
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