Transocean Ultra deep water Ultra deep water

| Name_ | Type_ | Entered_service | Water_depth | Location_ | Customer |
|---|---|---|---|---|---|
| Dhirubhai Deepwater KG1 | ship | 2009 | ft (m) | India | Reliance |
| Dhirubhai Deepwater KG2 | ship | 2010 | ft (m) | India | Reliance |
| Discoverer Americas | ship | 2009 | ft (m) | Gulf of Mexico | Statoil |
| Discoverer Clear Leader | ship | 2009 | ft (m) | Gulf of Mexico | Chevron |
| Discoverer Deep Seas | ship | 2001 | ft (m) | Gulf of Mexico | Chevron |
| Discoverer Enterprise | ship | 1999 | ft (m) | Gulf of Mexico | BP |
| Discoverer India | ship | 2010 | ft (m) | Gulf of Mexico | Chevron |
| Discoverer Inspiration | ship | 2010 | ft (m) | Gulf of Mexico | Chevron |
| Discoverer Luanda | ship | 2011 | ft (m) | Angola | BP |
| Discoverer Spirit | ship | 2000 | ft (m) | Gulf of Mexico | Anadarko |