Marine compliant riser system

Details Marine compliant riser system Marine compliant riser system

1983-06-27

1984-01-03

Corbin, David H.

Hydraulic and earth engineering

Marine structure or fabrication thereof

166344, E21B 4301

Patent

active

044239840

ABSTRACT:
A marine compliant riser system is provided for attaching a flexible flowline to a buoyed conduit riser section. The improved system includes a yoke assembly for receiving flexible flowline with a means for retaining a terminal portion of the flexible flowline at a substantially normal catenary departure angle. Support means are mounted at the top of the buoyed section, and gooseneck connection means mounted on the support means for establishing fluid communication between the flexible flowline and conduit in the buoyed riser section.
An installation method is disclosed for completing the improved riser system in deepwater.

REFERENCES:
patent: 3372745 (1968-03-01), Holmes
patent: 3556208 (1971-01-01), Dean
patent: 3586103 (1971-06-01), Brown et al.
patent: 3589441 (1971-06-01), Brown et al.
patent: 3911688 (1975-10-01), Behar
patent: 4098333 (1978-07-01), Wells et al.
patent: 4102146 (1978-07-01), Dietrich
patent: 4182584 (1980-01-01), Panicker et al.
patent: 4191256 (1980-03-01), Croy et al.
Oil & Gas Journal, Behar et al., Oct. 2, 1978, pp. 111-125.

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