Transocean Ultra deep water Ultra deep water

| Name_ | Type_ | Entered_service | Water_depth | Location_ | Customer |
|---|---|---|---|---|---|
| Cajun Express | semi | 2001 | ft (m) | Brazil | Petrobras |
| Deepwater Champion | ship | 2011 | ft (m) | Gulf of Mexico | ExxonMobil |
| Deepwater Discovery | ship | 2000 | ft (m) | Brazil | Devon |
| Deepwater Expedition | ship | 1999 | ft (m) | Malaysia | Petronas /BHP |
| Deepwater Frontier | ship | 1999 | ft (m) | India | Reliance |
| Deepwater Horizon | semi | 2001 | ft (m) | Gulf of Mexico | BP |
| Deepwater Millennium | ship | 1999 | ft (m) | Mozambique | Anadarko |
| Deepwater Nautilus | semi | 2000 | ft (m) | Gulf of Mexico | Shell |
| Deepwater Pathfinder | ship | 1998 | ft (m) | Gulf of Mexico | Eni |
| Development Driller III | semi | 2009 | ft (m) | Gulf of Mexico | BP |