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US 12,243,666 B2Granted
Cable, in particular for downhole use, and method of manufacturing such cable
AssigneeSchlumberger Technology Corporation
InventorsFrancois Chevillard, Pierre-Yves Corre
Life of this patent
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Abstract
The disclosure relates to a cable (100) comprising a core (102) and a plurality of reinforcing elements (107) arranged around the core (102) so as to cover the core (102), wherein each reinforcing element (107) includes at least a bundle of reinforcement fibers comprising at least one fiber and a thermoset matrix impregnating the bundle of fibers, wherein each reinforcing element (107) is individually tubed with a thermoplastic coating (112).
Claims16
A cable comprising:
- a core;
- and
- a layer comprising a plurality of reinforcing elements disposed around and contacting the core, wherein each reinforcing element comprises:
- one or more metallic wires;
- and
- a plurality of reinforcement fibers disposed around the one or more metallic wires, wherein the plurality of reinforcement fibers and the one or more metallic wires are impregnated with a thermoset matrix, and wherein each reinforcing element is individually tubed with a thermoplastic coating.
3 more elements
A wellbore installation including:
- a winch having a drum for winding a cable,
- a downhole tool configured to be lowered into a wellbore,
- a cable comprising a first end and a second end, wherein the first end of the cable is wound around the drum and the downhole tool is attached to the second end of the cable, and wherein the cable further comprises:
- a core;
- and
- a layer comprising a plurality of reinforcing elements disposed around and contacting the core, wherein each reinforcing element comprises:
- one or more metallic wires;
- and
- a plurality of reinforcement fibers, wherein the plurality of reinforcement fibers and the one or more metallic wires are impregnated with a thermoset matrix, and wherein each reinforcing element is individually tubed with a thermoplastic coating.
6 more elements
A method of manufacturing a cable, comprising:
- forming a plurality of reinforcing elements, wherein forming each reinforcing element includes arranging a plurality of reinforcement fibers around one or more metallic wires and impregnating the plurality of reinforcement fibers and the one or more metallic wires with a thermoset matrix;
- extruding a thermoplastic coating around each reinforcing element of the plurality of reinforcing elements to form a tube around each reinforcing element;
- arranging the plurality of reinforcing elements around a core, wherein the plurality of reinforcing elements contact the core;
- and
- curing the thermoset matrix after arranging the plurality of reinforcing elements around the core.
2 more elements
Dependencies are inferred from the claim text.