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US 10,864,550 B2Granted
Subsea umbilical
AssigneeNexans
InventorCarl Fredrik Eggertsen
Life of this patent
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Abstract
An umbilical for subsea applications has at least one longitudinal internal element and a sheath, the sheath is formed by extrusion. The internal element is suitable for communicating fluids, electrical power or signals, or for carrying loads. The sheath is made of a polymer composite having a high density filler, the polymer composite having a density in the range 3 to 11 g/cm3.
Claims13
An umbilical power cable for subsea applications comprising:
- at least one longitudinal internal element;
- and
- a sheath, the sheath is formed by extrusion,
- wherein said internal element is suitable for communicating fluids, electrical power or signals, or for carrying loads, said internal element being selected from optical fibers and electrical quads, and
- wherein the sheath is made of a polymer composite having a high density filler, the polymer composite having a density in the range 6 to 11 g/cm3, and
- wherein said sheath is the outermost layer of the cable.
3 more elements
Dependencies are inferred from the claim text.