Hydraulic and earth engineering – Marine structure or fabrication thereof – With anchoring of structure to marine floor
Reexamination Certificate
2006-05-09
2006-05-09
Lagman, Frederick L. (Department: 3673)
Hydraulic and earth engineering
Marine structure or fabrication thereof
With anchoring of structure to marine floor
C405S169000, C405S172000, C405S224300
Reexamination Certificate
active
07040841
ABSTRACT:
A conduit structure (44) connects subsea oil wells to a floating structure (12) such as a vessel, in shallow water, the conduit structure providing a low cost and reliable fluid connection during drift of the vessel. The conduit structure includes a seafloor riser support (50) with a lower end (52) fixed to the seafloor and an upper end (54) lying a plurality of meters above the seafloor. A flexible pipe or hose (46) extends in a double catenary curve from the top of the seafloor riser support, at a downward incline away from the seafloor riser support and then at an upward incline to the floating structure. A rigid pipe (70) can extend along a plurality of meters of the height of the riser support to minimize the required length of flexible hose and facilitate installation.
REFERENCES:
patent: 2955626 (1960-10-01), Hartley
patent: 3722223 (1973-03-01), Gratz
patent: 3800547 (1974-04-01), Dutta et al.
patent: 4182584 (1980-01-01), Panicker et al.
patent: 4371037 (1983-02-01), Arnaudeau
patent: 4400109 (1983-08-01), Gentry et al.
patent: 4459066 (1984-07-01), van der Graaf
patent: 4661016 (1987-04-01), Baugh et al.
patent: 4793737 (1988-12-01), Shotbolt
patent: 4906137 (1990-03-01), Maloberti et al.
patent: 5427046 (1995-06-01), Brown et al.
patent: 5447114 (1995-09-01), Korsgaard
patent: 5480264 (1996-01-01), Hunter
patent: 2011506 (1979-03-01), None
patent: 2244463 (1991-12-01), None
Kelm Ron L.
Leawood Janet T.
Lunde Peter A.
Lagman Frederick L.
Rosen Leon D.
Single Buoy Moorings Inc.
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