Table:
text: 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

text: 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

text: Transocean
Ultra deep water
Ultra deep water
Name_ Type_ Entered_service Water_depth Location_ Customer
GSF C.R. Luigs ship 2000 ft (m) Gulf of Mexico BHP Billiton
GSF Development Driller I semi 2004 ft (m) Gulf of Mexico BHP Billiton
GSF Development Driller II semi 2004 ft (m) Gulf of Mexico BP
GSF Explorer ship 1972/1998 ft (m) Indonesia Marathon-led Consortium
GSF Jack Ryan ship 2000 ft (m) Nigeria Total
Petrobras 10000 ship 2009 ft (m) Brazil Petrobras
Sedco Energy semi 2001 ft (m) Ghana Tullow
Sedco Express semi 2001 ft (m) Mediterranean Sea Noble Energy
Transocean Barents semi 2009 ft (m) Norway Det Norske Oljeselskap ASA
Transocean Spitsbergen semi 2009 ft (m) Norway Statoil ASA

Question: What was the water depth that became operational in 2001 called the Cajun Express under Transocean Ultra Deep Water?