| Ship's Name | Ship Type | Owner Company | Date of Built |
| Well Services Rig 53 | Drilling Rig, Jack Up | Well Services Petroleum Co Ltd | 1982 - 04 |
| Spartan Rig 151 | Drilling Rig, Jack Up | Hilcorp Jack-Up Rig Co LLC | 1981 - 12 |
| Gp-19 | Drilling Rig, Jack Up | Petroleos De Venezuela S.A. | 1981 - 12 |
| Hercules 2500 | Drilling Rig, Jack Up | Hercules Offshore Inc | 1981 - 07 |
| Harmonia | Drilling Rig, Jack Up | Sinopec | 1980 - 03 |
| Sheng Li No. 9 | Drilling Rig, Jack Up | Sinopec | 1978 - 12 |