Marine riser provided with a hinged foot for offshore hydrocarbo

Details Marine riser provided with a hinged foot for offshore hydrocarbo Marine riser provided with a hinged foot for offshore hydrocarbo

1980-11-28

1982-12-07

Novosad, Stephen J.

Wells

Submerged well

Riser

166345, 166346, 166351, 285137R, E21B 1701, E21B 33038, E21B 43013

Patent

active

043622151

ABSTRACT:
This riser has a central pipe connected to an underwater installation through a flexible assembly, and a plurality of satellite pipes connected to corresponding tubes of the underwater installation through a plurality of hoses each arranged along an helical winding. Upper and lower fastening means secure these hoses to the upper and lower parts of the flexible assembly and maintain the ends of each connecting hose in the extension of the helical winding.

REFERENCES:
patent: 3189098 (1965-06-01), Haeber
patent: 3189099 (1965-06-01), Otteman et al.
patent: 3426843 (1969-02-01), Visser
patent: 3701551 (1972-10-01), Morgan
patent: 3718183 (1973-02-01), Scott
patent: 3913668 (1975-10-01), Todd et al.
patent: 4031919 (1977-06-01), Ortloff et al.
patent: 4046407 (1977-09-01), Porreco
patent: 4068868 (1978-01-01), Ohrt
patent: 4279544 (1981-07-01), Brun et al.

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