Hydraulic and earth engineering – Marine structure or fabrication thereof
Patent
1980-12-29
1983-08-23
Corbin, David H.
Hydraulic and earth engineering
Marine structure or fabrication thereof
166340, 166350, 405169, E21B 4301, F16L 104
Patent
active
044001096
ABSTRACT:
A marine compliant riser system is provided for attaching a flexible flowline to a buoyed conduit riser section. The improved system includes a releasable yoke assembly for receiving flexible flowline with a means for holding flexible flowline termination.
Quick-disconnect yoke attachment means support and lock the yoke assembly onto horizontal buoy-mounted support means. A fail-safe release means is provided for pulling an unreleased yoke attachment away from the support arm in the event of an opposite end release.
The system is particularly adapted for emergency disconnect of a subsea wellhead or production gathering system from a floating vessel.
REFERENCES:
patent: 3589441 (1971-06-01), Brown et al.
patent: 3721294 (1973-03-01), Nelson
patent: 4182584 (1980-01-01), Panicker et al.
patent: 4191256 (1980-03-01), Croy et al.
Gentry Larry L.
Klootwyk Ronald I.
Corbin David H.
Gilman M. G.
Huggett C. A.
Mobil Oil Corporation
Powers, Jr. J. F.
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