Method and apparatus for umbilical hydraulic control lines in fl

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Submerging – raising – or manipulating line of pipe or cable...

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405195, 405170, 166350, 166359, F21B 1700

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active

050448269

ABSTRACT:
A hydraulic control umbilical is disclosed for supporting a plurality of hydraulic control lines along a riser between a surface facility and a subsea completion. The umbilical provides a skin encircling the riser substantially its entire length with means for supporting the skin about the riser and means for supporting the hydraulic control lines within the skin. A method for deploying and retrieving the hydraulic control umbilical is also disclosed.

REFERENCES:
patent: Re27144 (1971-06-01), Rubenstein
patent: 3250077 (1966-05-01), Ede
patent: 3313345 (1967-04-01), Fischer
patent: 3352118 (1967-11-01), Burkhardt
patent: 3368618 (1968-02-01), Knox
patent: 3426843 (1969-02-01), Visser
patent: 3517110 (1970-06-01), Morgan
patent: 3563825 (1971-02-01), Segura et al.
patent: 3631933 (1972-01-01), Bryant
patent: 4068483 (1978-01-01), Papworth
patent: 4283161 (1981-08-01), Evans et al.
patent: 4470722 (1984-09-01), Gregory
patent: 4527928 (1985-07-01), Rutherford et al.
patent: 4643614 (1987-02-01), Laursen
Hydril Advanced Ocean Systems catalogue, 1982, pp. 2 and 6.

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