High-temperature resistant wire tube double armature logging cable
A high temperature resistant, armored logging technology, applied in the direction of insulated cables, cables, circuits, etc., can solve the problems of poor corrosion resistance such as waterproof, high temperature resistance, acid and alkali resistance, oil resistance, low electromagnetic interference defense ability, etc. Corrosive, anti-electromagnetic interference, good waterproof effect
Inactive Publication Date: 2012-06-27
ZHENGZHOU CABLE +1
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Problems solved by technology
[0002] The high temperature resistant well logging cable sheath of the prior art uses a plastic sheath or steel wire armor layer, which has poor corrosion resistance such as waterproof, high temperature resistance, acid and alkali resistance, and oil resistance, and has relatively low defense against external electromagnetic interference. Low
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[0011] The present invention will be further described below in conjunction with embodiment (accompanying drawing):
[0012] The high temperature resistant wire tube double armor logging cable of the present invention includes a stranded conductor 1, a high temperature resistant insulating layer 2 wrapped outside the stranded conductor, and a plurality of closely arranged steel wires arranged in a spiral wrapping manner around the high temperature resistant insulating layer. The armor layer 3 is wrapped inside the steel wire, and the armor layer 4 is wrapped outside the stainless steel tube wrapped outside the steel wire armor layer.
[0013] More specifically: the steel wire armor layer described in the present invention is composed of high-strength galvanized steel wire or high-strength stainless steel wire; the stranded conductor 1 is formed by twisting 7 to 61 tinned copper conductors or copper conductors. into, the nominal section is: 0.35mm 2 , 0.5mm 2 , 0.75mm 2 , 1....
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The invention relates to a high-temperature resistant wire tube double armature logging cable. The cable is characterized in that the logging cable comprises a stranded conductor, a high-temperature resistant insulating layer wraping the stranded conductor, a steel wire inner armor layer which is arranged around the high-temperature resistant insulating layer and is composed of a plurality of steel wires in a dense arrangement and a spiral wrapping manner, and a stainless steel pipe outer armor layer wraping the steel wire armor layer. The invention integrates various functions of high-temperature resistance, water resistance, corrosion resistance, anti-interference performance and tensile strength so that the logging cable is characterized by high-temperature resistance, water resistance, corrosion resistance, anti-interference performance, tension resistance and the like and can satisfy the demands of the special occasions of the oil well.
Description
technical field [0001] The invention relates to a well logging cable, in particular to a high temperature resistant wire tube double armor logging cable. Background technique [0002] The high temperature resistant well logging cable sheath of the prior art uses a plastic sheath or steel wire armor layer, which has poor corrosion resistance such as waterproof, high temperature resistance, acid and alkali resistance, and oil resistance, and has relatively low defense against external electromagnetic interference. Low. Contents of the invention [0003] The object of the present invention is to provide a high temperature resistant wire tube double-armored well logging cable in view of the deficiencies in the above-mentioned prior art. The cable not only has good water resistance and high temperature resistance, but also improves the comprehensive performance of the cable's waterproof, acid and alkali resistance, oil resistance and other corrosion resistance, greatly enhanci...
Claims
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IPC IPC(8): H01B7/00H01B7/20H01B7/22H01B7/29H01B17/62H01B5/08
Inventor 卢宇朱爱荣钟苏王豫关立民马越樊华
Owner ZHENGZHOU CABLE