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・ Fixed feast
・ Fixed float
・ Fixed income
・ Fixed income analysis
・ Fixed income arbitrage
・ Fixed interest rate loan
・ Fixed investment
・ Fixed ladder
・ Fixed liability
・ Fixed link
・ Fixed Mobile Substitution
・ Fixed odds betting terminal
・ Fixed orbit
・ Fixed penalty notice
・ Fixed pixel display
Fixed platform
・ Fixed point
・ Fixed point (mathematics)
・ Fixed points of isometry groups in Euclidean space
・ Fixed position assembly
・ Fixed price
・ Fixed prosthodontics
・ Fixed rate
・ Fixed rate bond
・ Fixed Repeating Schedule
・ Fixed rope
・ Fixed sign
・ Fixed Star
・ Fixed Star (Mami Kawada song)
・ Fixed stars


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Fixed platform : ウィキペディア英語版
Fixed platform

A fixed platform is a type of offshore platform used for the production of oil or gas. These platforms are built on concrete and/or steel legs anchored directly onto the seabed, supporting a deck with space for drilling rigs, production facilities and crew quarters.〔(www.api.org "To Operate in Deeper Water-Industry Has Innovated New Platform Designs" )〕 Such platforms are, by virtue of their immobility, designed for very long term use. Various types of structure are used, steel jacket, concrete caisson, floating steel and even floating concrete. Steel jackets are vertical sections made of tubular steel members, and are usually piled into the seabed.〔(www.globalsecurity.org "Fixed Platform" )〕 Concrete caisson structures, pioneered by the Condeep concept, often have in-built oil storage in tanks below the sea surface and these tanks were often used as a flotation capability, allowing them to be built close to shore (Norwegian fjords and Scottish firths are popular because they are sheltered and deep enough) and then floated to their final position where they are sunk to the seabed. Fixed platforms are economically feasible for installation in water depths up to about 1,700 feet (520 m). To see more details regarding Design, construction and installation of such platforms refer to:〔http://www.slideshare.net/amirkabirsadeghi/jsas-002-0401sadeghi〕 and 〔http://www.slideshare.net/amirkabirsadeghi/jsas-004-077sadeghi〕
==See also==

* Brent spar
* Hibernia (oil field)
* Offshore concrete structure
* Offshore geotechnical engineering
* Oil platform
*Protocol for the Suppression of Unlawful Acts against the Safety of Fixed Platforms Located on the Continental Shelf

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Fixed platform」の詳細全文を読む



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