Tether system for an offshore based work platform

Details Tether system for an offshore based work platform Tether system for an offshore based work platform

1989-09-26

1991-10-08

Taylor, Dennis L.

Hydraulic and earth engineering

Marine structure or fabrication thereof

With anchoring of structure to marine floor

405203, 405227, 405DIG8, B63B 2150, B63B 3544

Patent

active

050549634

ABSTRACT:
A tether system for a semisubmersible work platform which may be based on deep water, comprising a number of pontoon elements mounted in a frame configuration, upright columns and a work deck for exploitation of oil or gas fields below the sea bottom. The system comprises a sea bed anchor template, which is provided with receptacle means for tendons, running up to connectors at the work platform. The receptacle means in the sea bed anchor template are located along a circular track on which a carrier can move. The carrier has sheave means for one or more handling line for a tendon which is provided with a running collar. The connectors for the upper ends of said tendons are located at the outside of the columns.

REFERENCES:
patent: 3955521 (1976-05-01), Mott
patent: 4354446 (1982-10-01), Goldsmith et al.
patent: 4818147 (1989-04-01), Rasmussen
patent: 4844659 (1989-07-01), Hunter et al.
patent: 4913591 (1990-04-01), Steele
patent: 4938632 (1990-07-01), Eie

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