Deep water TLP tether system

Hydraulic and earth engineering – Marine structure or fabrication thereof – Tension leg platform

Reexamination Certificate

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Reexamination Certificate

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06851894

ABSTRACT:
A tether system include tethers each having an upper section (1) attached to a tension leg platform (TLP) (4), and each upper section has a large diameter so that the upper section (1) is positively bouyant. This buoyancy can be designed to compensate for the weight of the lower section (2) of each tether, so as to make the total buoyancy of each tether closer to neutral. The selection process for each section is driven by requirements for buoyancy, stiffness and external pressure resistance.

REFERENCES:
patent: 4117691 (1978-10-01), Spray
patent: 4187038 (1980-02-01), Taylor
patent: 4740109 (1988-04-01), Horton
patent: 5094567 (1992-03-01), Nista et al.
patent: 5443330 (1995-08-01), Copple
patent: 5683206 (1997-11-01), Copple
patent: 1 509 503 (1978-05-01), None
patent: 2081659 (1982-02-01), None
patent: 1997 3045 (1997-06-01), None
patent: 1998 3796 (1998-08-01), None

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