Semi-submersible platform for offshore oil field operation and m

Details Semi-submersible platform for offshore oil field operation and m Semi-submersible platform for offshore oil field operation and m

1998-12-11

2000-10-31

Taylor, Dennis L.

Hydraulic and earth engineering

Marine structure or fabrication thereof

With anchoring of structure to marine floor

114264, 405196, 405209, B63B 3544

Patent

active

061392243

ABSTRACT:
The platform comprises a buoyant sub-structure comprising a base and a plurality of columns upstanding from said base, a buoyant deck-hull mounted on the columns and means for ballasting and deballasting at least the base of said sub-structure. It further comprises means for tangentially guiding said deck-hull on said columns during deployment of the platform into a predetermined configuration by ballasting of the sub-structure while the deck-hull is floating and means for locking said deck-hull to the columns in said predetermined configuration.

REFERENCES:
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patent: 3385069 (1968-05-01), Estes
patent: 3433024 (1969-03-01), Diamond et al.
patent: 3577946 (1971-05-01), Horton
patent: 4193714 (1980-03-01), Gjerde
patent: 4266887 (1981-05-01), Corder
patent: 4395160 (1983-07-01), DeJong
patent: 4398487 (1983-08-01), Ortloff et al.
patent: 4427319 (1984-01-01), Mayr
patent: 5609442 (1997-03-01), Horton
patent: 5791819 (1998-08-01), Christiansen
French Search Report dated Aug. 7, 1998.

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