The Ursa tension leg platform is an oil platform with a
tension leg structure located at about southeast of
in the
Gulf of Mexico
The Gulf of Mexico ( es, Golfo de México) is an oceanic basin, ocean basin and a marginal sea of the Atlantic Ocean, largely surrounded by the North American continent. It is bounded on the northeast, north and northwest by the Gulf Coast of ...
. It is operated by
Shell Oil Company
Shell USA, Inc. (formerly Shell Oil Company, Inc.) is the United States-based wholly owned subsidiary of Shell plc, a UK-based transnational corporation " oil major" which is amongst the largest oil companies in the world. Approximately 18,000 ...
. It has a total height from the seabed to its top of .
Shell Oil
Shell plc is a British multinational oil and gas company headquartered in London, England. Shell is a public limited company with a primary listing on the London Stock Exchange (LSE) and secondary listings on Euronext Amsterdam and the New Yor ...
is the operator of the project with 45.39%.
BP Exploration & Production Inc has 22.69% while
Exxon Mobil Corp
ExxonMobil Corporation (commonly shortened to Exxon) is an American multinational oil and gas corporation headquartered in Irving, Texas. It is the largest direct descendant of John D. Rockefeller's Standard Oil, and was formed on November 30, ...
and
ConocoPhillips
ConocoPhillips Company is an American multinational corporation engaged in hydrocarbon exploration and production. It is based in the Energy Corridor district of Houston, Texas.
The company has operations in 15 countries and has production in ...
each have 15.96%.
The discovery well was drilled in 1991, with
Sonat's Discoverer Seven Seas
drillship
A drillship is a merchant vessel designed for use in exploratory offshore drilling of new oil and gas wells or for scientific drilling purposes. In recent years the vessels have been used in deepwater and ultra-deepwater applications, equipped ...
, 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
Magnolia is an offshore oil drilling and production Extended Tension Leg Platform in the Gulf of Mexico. It was the world's deepest ETLP, reaching , beating the Marco Polo TLP by . In March 2018, Big Foot took over this claim in .
The hull consis ...
.
See also
*
List of tallest buildings and structures in the world
The world's tallest human-made structure is the Burj Khalifa in Dubai (of the United Arab Emirates). The building gained the official title of "tallest building in the world" and the tallest self-supported structure at its opening on Januar ...
*
Troll A platform
The Troll A platform is a Condeep gravity-based structure offshore natural gas platform in the Troll gas field off the west coast of Norway. Built from reinforced concrete, , it was the tallest structure that has ever been moved to another positio ...
References
External links
The World’s tallest structure isn’t a skyscraperUTLP at Offshore-technology.com
Energy infrastructure completed in 2009
Oil platforms
Petroleum industry in the Gulf of Mexico
Energy infrastructure in Louisiana
Shell plc buildings and structures
BP buildings and structures
ExxonMobil buildings and structures
ConocoPhillips
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