Ursa tension leg platform

The Ursa tension leg platform is an oil platform with a tension leg structure located at 28°09′14″N 89°06′13″W / 28.154027°N 89.103553°W / 28.154027; -89.103553 about 130 miles (210 km) southeast of New Orleans in the Gulf of Mexico. It is operated by Shell Oil Company. It has a total height from the seabed to its top of 4,285 feet (1,306 m).[1]

Ursa Tension Leg Platform
Record height
Preceded byPetronius Compliant Tower (640 m (2,100 ft))
Surpassed byPerdido Regional Host (2,438 m (7,999 ft))
General information
TypeOil platform
Location130 miles (210 km) southeast of New Orleans
Coordinates28°09′14″N 89°06′13″W / 28.154027°N 89.103553°W / 28.154027; -89.103553Coordinates: 28°09′14″N 89°06′13″W / 28.154027°N 89.103553°W / 28.154027; -89.103553
Cost$1.45 billion
Antenna spire1,306 m (4,285 ft)
Design and construction
DeveloperShell Oil Company 45.39%, British Petroleum 22.69%, ExxonMobil 15.96% and ConocoPhillips 15.96%

Shell Oil is the operator of the project with 45.39%. BP Exploration & Production Inc has 22.69% while Exxon Mobil Corp and ConocoPhillips each have 15.96%.

The discovery well was drilled in 1991, with Sonat's Discoverer Seven Seas drillship, on Mississippi Canyon block 854. Construction was finished in 1998.

The Ursa Tension Leg Platform was replaced as the tallest man-made structure in the world by the Magnolia Tension-leg Platform.

See alsoEdit


  1. ^ "Ursa". Offshore Technology. Retrieved 2013-06-14.

External linksEdit