Riser support system for use with an offshore platform

Details Riser support system for use with an offshore platform Riser support system for use with an offshore platform

2009-05-21

2011-12-27

Mayo-Pinnock, Tara (Department: 3671)

Hydraulic and earth engineering

Marine structure or fabrication thereof

With anchoring of structure to marine floor

C405S211000, C166S350000, C441S133000

Reexamination Certificate

active

08083439

ABSTRACT:
A riser support system for use in a body of water comprises a buoyant and ballastable support structure and a plurality of substantially vertical and rigid risers each of which is attached to the inside of the support structure at a location below the center of buoyancy of the support structure and below the surface of the body of water. Usually, each riser passes through the inside of a single tube in the support structure. Typically, the riser support system is used to support a plurality of risers and their surface wellheads inside the hull of an offshore platform, usually in such a manner that the axial movement of the risers and support structure is independent of the axial movement of the hull.

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