Enhanced steel catenary riser system

Details Enhanced steel catenary riser system Enhanced steel catenary riser system

1999-08-06

2000-05-16

Lillis, Eileen Dunn

Hydraulic and earth engineering

Marine structure or fabrication thereof

405169, 405170, 4052231, 405224, 4052242, 166350, 166367, E02D 2300, E02D 2724

Patent

active

060627697

ABSTRACT:
A riser arrangement increases the stability and/or decreases sensitivity to vortex induced vibration of risers of a riser system including steel tubular lines, SCRIBS and flexible hose risers leading to a floating storage/production vessel. A cross-link is placed between two or more steel tubular lines in order to enhance the stability of the riser system. Devices are coupled to the steel tubular lines for increasing their tension in order to increase the natural frequency of vibration in order to reduce sensitivity to vortex induced vibration.

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