Central pontoon semisubmersible floating platform

Details Central pontoon semisubmersible floating platform Central pontoon semisubmersible floating platform

2006-11-28

2006-11-28

Basinger, Sherman (Department: 3617)

Ships

Floating platform

Reexamination Certificate

active

07140317

ABSTRACT:
A central pontoon semisubmersible floating platform for use in offshore applications has a hull configuration including vertical support columns, a central pontoon structure disposed inboard of the columns at a lower end thereof, and a deck structure supported at an upper end of the columns. The vertical columns and pontoon structure are constructed substantially of flat plate. The vertical columns are adjoined to the outer periphery of the central pontoon and have a transverse cross sectional shape with a major axis oriented radially outward from a center point of the hull, and a central vertical axis disposed a distance outward from the pontoon outer periphery. Risers can be supported on the inboard or outboard side of the pontoon and extended to the deck, and the structure can be anchored by mooring lines extending along the outboard face of the columns extending radially outward and downward from their lower ends.

REFERENCES:
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patent: 6015245 (2000-01-01), Frimm et al.
patent: 6447208 (2002-09-01), Huang et al.
patent: 6503023 (2003-01-01), Huang et al.
patent: 6701861 (2004-03-01), Key et al.
patent: 2001/0026733 (2001-10-01), Ludwigson
patent: 2002/0025229 (2002-02-01), Huang et al.

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