Semisubmersible vessel for transporting and installing heavy dec

Details Semisubmersible vessel for transporting and installing heavy dec Semisubmersible vessel for transporting and installing heavy dec

1993-07-26

1995-04-04

Taylor, Dennis L.

Hydraulic and earth engineering

Marine structure or fabrication thereof

Floatable to site and supported by marine floor

405204, E02B 1700

Patent

active

054031249

ABSTRACT:
A method and apparatus for transporting and installing a deck of an offshore platform onto a substructure without requiring heavy lift cranes. The towing vessel or semisubmersible vessel is configured with a cutout or opening therein that surrounds the substructure onto which the platform is to be placed. The platform is transported in an elevated position upon the semisubmersible vessel and it spans across this opening such that once the semisubmersible vessel is properly positioned (i.e. the elevated platform being positioned over and in alignment with the substructure), the semisubmersible vessel is rapidly ballasted thereby transferring the platform onto the substructure.

REFERENCES:
patent: 2907172 (1959-10-01), Crake
patent: 3078680 (1963-02-01), Wepsala
patent: 4848967 (1989-07-01), Weyler
patent: 4973200 (1990-11-01), Kaldenbach
patent: 5219451 (1993-06-01), Datta et al.

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