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US 12,560,272 B2Granted
Coated pipe section and method for coating a pipe
Assignee2543500 Alberta Ltd B.D.A. Shaw Pipe Protection.
InventorsEileen Wan, Tor Fredrik Bredeli, Torgeir Sletvold, Jan Peder Hegdal, Suresh Choudhary, Per Ove Singstad, Guido Ridolfi
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Abstract
Described is a method for manufacturing coated pipe sections having a hollow conduit or an electrical cable within the coating. Also described are such pipe sections. The hollow conduit may be used to place sensors, fiber optics, or heating cable within the coating.
Claims8
A multi-layer coated steel pipe, comprising:
- a. an inner steel pipe;
- b. an outer layer of thermal insulation capable of withstanding hydrostatic pressure;
- and
- c. at least one elongated member embedded within the thermal insulation, with a continuous cross-section
- wherein the at least one elongated member is hollow and made from a polymer or polymer composite.
2 more elements
A multi-layer coated steel pipe, comprising:
- a. an inner steel pipe;
- b. an outer layer of thermal insulation capable of withstanding hydrostatic pressure;
- c. at least one elongated member embedded within the thermal insulation, with continuous cross-section;
- and
- d. an additional elongated member with continuous cross-section located between each of the at least one elongated members and the inner steel pipe
- wherein the at least one elongated member is hollow and made from a polymer or polymer composite.
3 more elements
Dependencies are inferred from the claim text.