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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 500 feet (150 m); for deeper depths a floating production system, or a subsea
85:, floating steel and even floating concrete. Steel jackets are vertical sections made of tubular steel members, and are usually piled into the seabed. Concrete caisson structures, pioneered by the
81:, production facilities and crew quarters. Such platforms are, by virtue of their immobility, designed for very long-term use. Various types of structure are used, steel jacket, concrete
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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 (
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Protocol for the
Suppression of Unlawful Acts against the Safety of Fixed Platforms Located on the Continental Shelf
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pipeline to land or to shallower water depths for processing, would usually be considered.
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legs directly planted onto the seabed, supporting a deck with space for
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Type of offshore platform used for the extraction of petroleum or gas
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A fixed platform base under construction on a
Louisiana river
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Platform B, a fixed platform constructed in 1968 in the
119:List of tallest freestanding steel structures
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134:Offshore geotechnical engineering
159:"Offshore Production Facilities"
69:. These platforms are built on
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114:List of tallest oil platforms
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63:extraction of petroleum
194:www.globalsecurity.org
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39:Santa Barbara Channel
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226:Petroleum production
124:Bullwinkle Platform
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169:on 7 January 2012
59:offshore platform
16:(Redirected from
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190:"Fixed Platform"
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197:. Retrieved
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188:Pike, John.
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171:. Retrieved
167:the original
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163:www.api.org
215:Categories
145:References
91:Norwegian
108:See also
98:Scottish
71:concrete
87:Condeep
83:caisson
73:and/or
199:29 May
173:29 May
101:firths
94:fjords
35:Unocal
75:steel
201:2017
175:2017
96:and
67:gas
65:or
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53:A
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20:)
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