Carbon fiber multilayer composite logging cable
A composite logging and fiber composite material technology is applied in the field of carbon fiber multi-layer composite logging cables to achieve the effects of enhanced corrosion resistance and increased tensile strength
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Embodiment 1
[0037] A carbon fiber multilayer composite logging cable can be prepared in the following ways:
[0038] The copper wire core with roughened core structure is adopted, and the diameter of the wire is between 2mm; the polyurethane insulation layer with a thickness of 1mm is prepared on the surface of the copper conductor wire by injection molding; the surface of the insulation layer is prepared by unidirectional winding of T300 carbon fiber The outer layer of the external winding composite material, the fiber filament or fabric is impregnated with unsaturated polyester resin, the resin content is kept between 50% (mass percentage, the same below), and the entire winding layer is formed by thermal curing after preparation, and the curing temperature is 120 ℃, curing time is 2 hours.
[0039] After the above-mentioned core structure is prepared, the pultruded outer layer structure is prepared by pultrusion outside the core. Liquid T300 carbon fiber, the core layer structure and ...
Embodiment 2
[0042] A carbon fiber multilayer composite logging cable can be prepared in the following ways:
[0043] A brass wire core with a 4-core structure that has been threaded is used, and the diameter of the wire is 3mm; a polyethylene insulation layer with a thickness of 0.5mm is prepared on the surface of the copper conductor wire by spraying; the surface of the insulation layer is wound with T700 carbon fiber two-dimensional fabric The outer layer of the external winding composite material is prepared, and the fiber filament or fabric is impregnated with phenolic resin. The resin content is kept between 40%. After the preparation of the entire winding layer, it is formed by thermal curing. The curing temperature is 121°C and the curing time is 1 hour.
[0044] After the above-mentioned core structure is prepared, the pultruded outer layer structure is prepared outside the core by pultrusion molding. First, the core multilayer structure is positioned at the center of the pultruded o...
Embodiment 3
[0047] A carbon fiber multilayer composite logging cable can be prepared in the following ways:
[0048] The roughened 8-core copper wire core is used, and the diameter of the wire is 4mm; the polyphenylene sulfide insulation layer with a thickness of 0.6mm is prepared by spraying and forming on the surface of the copper conductor wire; T800 carbon fiber is used on the surface of the insulation layer. The outer layer of the external winding composite material is prepared by winding, the fiber filament or fabric is impregnated with phenolic resin, the resin content is kept between 45%, and the entire winding layer is formed by thermal curing after preparation, the curing temperature is 135 ° C, and the curing time is 1 hour .
[0049] After the above-mentioned core structure is prepared, the pultruded outer layer structure is prepared by pultrusion outside the core. Liquid M40 carbon fiber, the core structure and the fiber are synchronously pultruded, and the overall thickness...
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Abstract
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