Troll A platform

The Troll A platform is a huge platform for production of gas, it is the highest construction that has ever been moved to another position, and is among the largest and most complex engineering projects in history. Built by Norwegian Contractors for Norske Shell, the platform was a televised sensation when it was towed into the North Sea in 1996, where it is operated by Statoil.

Dimensions

Troll A has an overall height of 472 meters and weighs 656,000 tons. It has the distinction of being the tallest structure ever moved by mankind. The platform stands on the sea floor 303 meters below the surface of the sea. The walls of Troll A's legs are over 1 meter thick.

Construction

The base and the deck were built separately (starting in 1991-1992). They were joined while the base was partially submerged. The Troll platform was towed over 200 km from Vats, in the northern part of Rogaland, to the Troll field, 80 km north-west of Bergen. The tow took seven days. The platform is built of reinforced concrete using the Condeep technology.

Operation

Gas rises from 40 wells, and is exported through a number of pipes.

World Records

In 2006, the 10th anniversary of Statoil's operatorship of Troll gas production was celebrated with a concert by Katie Melua held in the Troll A platform. As well as entertaining the workers on the rig, the concert set a new world record for the deepest underwater concert at 303 meters.[1]

In 1996 the platform set the Guinness World Record for 'largest offshore gas platform'.[2]

References

External links



Coordinates:
Royal Dutch Shell plc

Public
(LSE: RDSA / RDSB )
(NYSE: RDS.A / RDS.B )
Founded 1907
Headquarters The Hague, Netherlands

Key people Jeroen van der Veer, CEO
Jorma Ollila, Chairman
Industry Oil and gas
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The North Sea is marginal, epeiric sea of the Atlantic Ocean on the European continental shelf between Norway and Denmark in the east, Scotland and England in the west, and Germany, the Netherlands, Belgium and France in the south.
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19th century - 20th century - 21st century
1960s  1970s  1980s  - 1990s -  2000s  2010s  2020s
1993 1994 1995 - 1996 - 1997 1998 1999

Year 1996 (MCMXCVI
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Statoil ASA

Public
Founded 14 July 1972
Headquarters Stavanger, Norway

Key people CEO: Helge Lund
Chairman: Jannik Lindbæk
Industry Oil and gas
Products Oil
Natural gas
Petrochemicals
Revenue NOK 393.3 billion (2005)
Net income NOK 30.
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Vats is a village in the municipality of Vindafjord, Norway. An important industrial location, the oil platforms Statfjord, Gullfaks and Troll were built here.

The surrounding area used to constitute a municipality.
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  is a county in Norway, bordering Hordaland, Telemark, Aust-Agder and Vest-Agder. It is the center of the Norwegian petroleum-industry, and as a result of this, Rogaland has the lowest
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Troll is a natural gas and oil field in the Norwegian sector of the North Sea.

The Troll A platform, based on the Condeep technology, is the largest structure ever to be built and moved. Total weight is 1.2 million tons, the total height is 472 meters.
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Bergen   is a city, a municipality, and a former county, in the county of Hordaland, Norway.
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Reinforced concrete, also called ferroconcrete in some countries, is concrete in which reinforcement bars ("rebars") or fibers have been incorporated to strengthen a material that would otherwise be brittle.
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Condeep (abbr. concrete deep water structure) refers to a make of gravity base structure for oil platforms developed and fabricated by Norwegian Contractors in Stavanger, Norway.
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Ketevan "Katie" Melua (Georgian: ქეთევან "ქეთი" მელუა, surname pronounced IPA: /
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Guinness World Records, known until 2000 as The Guinness Book of Records (and in previous U.S. editions The Guinness Book of World Records
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Structurae is an online database containing works of structural and civil engineering of all kinds such as bridges, high-rise buildings, towers, dams, etc. Additionally, the database contains information on companies and persons (engineers, architects, and builders) involved in the
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