Lightweight catenary system

Details Lightweight catenary system Lightweight catenary system

F - Mech Eng,Light,Heat,Weapons

16

L

F16L 1/12 (2006.01)

Patent

CA 2576875

A lightweight catenary system for deepsea operations in which a lightweight flexible pipe such as disclosed in U.S. Patent No. 6,491,779 is suspended in seawater from a vessel or platform, and having a positive or nearly positive buoyancy, and which is stabilized by disposing weight in proximity to or attached to the lower portion of the pipe at or near the seabed, whereby the weight and costs of supporting heavy pipe in offshore operations is reduced or eliminated.

Cette invention a pour objet une caténaire légère pour opérations hauturières au cours desquelles un tuyau flexible léger, de même type que le tuyau présenté dans le brevet américain N° 6 491 779, flotte dans l~eau de mer, suspendu à un bâtiment ou à une plateforme, dont la flottabilité est positive ou quasi-positive, et dont la stabilité est assurée par la mise en place d~un poids à proximité de ou fixé à la partie inférieure du tuyau sur le fond marin, ou près du fond marin, par le biais duquel le poids, ainsi que les coûts de support du tuyau lourd engagés lors des opérations en mer, sont réduits ou supprimés.

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