Structure for transporting, commissioning and...

Details Structure for transporting, commissioning and... Structure for transporting, commissioning and...

2004-12-30

2011-12-06

Singh, Sunil (Department: 3672)

Hydraulic and earth engineering

Marine structure or fabrication thereof

Floatable to site and supported by marine floor

C405S196000

Reexamination Certificate

active

08070388

ABSTRACT:
The invention relates to a structure for transporting, installing and dismantling a fixed oil platform provided with framework elements which are substantially formed by a bridge and at least one supporting pillar. The inventive structure comprises a floating U-shaped shell provided with at least three lifting legs adapted for resting upon the bottom of the sea and a shuttle movable along the lifting legs for displacing a platform element. Said shuttle consists of at least three elements each of which is associated with the lifting leg and is provided with mechanical means for driving on the corresponding lifting leg in a manner independent of the shell of the structure and with means for connecting to displaceable framework element. Methods for transporting, installing and dismantling the bridge or the supporting pillar of a fixed offshore oil platform are also disclosed.

REFERENCES:
patent: 2308743 (1943-01-01), Buckley et al.
patent: 3593529 (1971-07-01), Smulders
patent: 4456404 (1984-06-01), Evans
patent: 5224798 (1993-07-01), Thomas
patent: 0 333 287 (1989-09-01), None
patent: WO 03/080425 (2003-10-01), None
International Search Report PCT/FR2004/003418 dated May 12, 2005 (European Patent Office).

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