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US 7,158,703 B2Granted
Power umbilical for deep water
AssigneeNexans
InventorEinar Mjelstad
Life of this patent
Estimating the term…
Abstract
A subsea umbilical includes electrically insulated power conductors, fiber optic elements, electrical signal cables, and fillers within a common outer cover. At least one of the electrical signal cables is enclosed within a dedicated metal tube, and the umbilical is hung off on an offshore platform or the like and the metal tube containing the electrical signal cable is hung off separately from the umbilical.
Claims6
Subsea umbilical comprising:
- electrically insulated power conductors;
- fiber optic elements;
- electrical signal cables;
- and
- fillers within a common outer cover, wherein at least one of said electrical signal cables is enclosed within a dedicated metal tube, and wherein the umbilical is hung off on an offshore platform and the metal tube containing the at least one electrical signal cable is hung off separately from the umbilical.
2 more elements
Dependencies are inferred from the claim text.