Mooring and riser system for use with turrent moored hydrocarbon

Ships – Mooring device – Boom type

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114293, B63B 2150

Patent

active

059570741

ABSTRACT:
A mooring and riser system for use with hydrocarbon production vessels includes a turret mooring system in which the mooring lines are grouped such as to have open sectors therebetween. Included in the open sector is a riser system which includes a subsea buoyancy element. Steel catenary production risers from the wellheads on the sea floor rise to the subsea buoyancy element. At the subsea buoyancy element, the steel catenary production risers are connected to flexible tubular jumper members which are then connected to the turret of the hydrocarbon production vessel.

REFERENCES:
patent: 4753185 (1988-06-01), Salusbury-hughes
patent: 5222453 (1993-06-01), Chabot
patent: 5639187 (1997-06-01), Hartley et al.
Alexander, et al, "A Hybrid Riser for Deep Water," Offshore South East Asia 10th Conference, Paper No. OSEA-94113, Dec. 6-9, 1994, pp. 1-8.

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