Video: Gas Platform Decommissioning (Strip Down)

Video: Gas Platform Decommissioning (Strip Down)

An interesting BBC documentary about decommisisoning of the Shell Esso Lima Offshore Platform in the North Sea

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.

Video: Gas Platform Decommissioning (Strip Down)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.

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.

Video: Gas Platform Decommissioning (Strip Down)

Fixed platforms are economically feasible for installation in water depths up to about 1,700 feet (520 m). Gas Platform is an unmanned offshore gas production platform. A large structure with facilities to extract and process natural gas. In many cases, the platform contains facilities to house the workforce as well.

Watch the video below:

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