Hinge-over subsea template production system

Details Hinge-over subsea template production system Hinge-over subsea template production system

1997-04-01

1998-03-03

Graysay, Tamara L.

Hydraulic and earth engineering

Marine structure or fabrication thereof

405227, 405224, 166341, 166349, E21B 43017, E02B 1702

Patent

active

057227969

ABSTRACT:
A subsea system comprises a central template that is piled into the seabed and carried wing modules that are connected to the template by hinges. This allows the template to be deployed and the wing modules attached subsequently or for the wing modules to be folded upwardly into a collapsed disposition as the template is deployed. In either case, the template can be deployed through the moonpool of a vessel and does not require a heavy lifting barge. An example of a module usable with the template is a hinge-over guidebase which can allow the commencement of drilling of a well while a manifold and christmas tree are being constructed for subsequent attachment. Thus, installation of the system is easy and drilling of the well can commence quickly.

REFERENCES:
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patent: 4155672 (1979-05-01), Franks
patent: 4344721 (1982-08-01), Goldsmith
patent: 4519727 (1985-05-01), Mitchell et al.
patent: 4822212 (1989-04-01), Hall et al.
patent: 5040607 (1991-08-01), Cordeiro et al.

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