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公开(公告)号：US11150426B2
公开(公告)日：2021-10-19
申请号：US16908121
申请日：2020-06-22
发明人： Rajesh Kamath , Michael Houck , Brett Villiger , Justin Quinn , Joseph Cignarale
IPC分类号： G02B6/44
摘要： A fiber optic distribution cable includes a central inner jacket formed from one of a polyvinyl chloride or a low smoke zero halogen material, a plurality of optical fibers disposed within the inner jacket, and a plurality of first strength members disposed within the inner jacket. The fiber optic distribution cable further includes an outer jacket surrounding the central inner jacket, the outer jacket formed from the one of the polyvinyl chloride or the low smoke zero halogen material, and a plurality of second strength members disposed between the outer jacket and the central inner jacket. A fiber density of the cable is greater than 0.65 fibers per square millimeter.
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公开(公告)号：US20200319417A1
公开(公告)日：2020-10-08
申请号：US16302388
申请日：2017-06-02
发明人： Rajesh Kamath , Brett Villiger
IPC分类号： G02B6/44 , E21B47/007 , E21B47/135
摘要： A downhole strain sensing cable includes a core optical unit which includes a plurality of optical fibers. A fiber-reinforced polymer matrix layer surrounds and contacts the core optical unit. An extrusion layer surrounds and contacts the fiber-reinforced polymer matrix layer. An outer metal tube surrounds and contacts the extrusion layer.
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公开(公告)号：US20200158971A1
公开(公告)日：2020-05-21
申请号：US16195167
申请日：2018-11-19
IPC分类号： G02B6/44
摘要： Drop cables are provided. A drop cable may include a central optical fiber, a buffer tube surrounding and in contact with the central optical fiber, and a plurality of strength members. Each of the plurality of strength members may have a maximum outer diameter of greater than 2.5 millimeters. The drop cable may further include an outer jacket surrounding and in contact with the buffer tube and the plurality of strength members such that the buffer tube and the plurality of strength members are embedded in the outer jacket. The outer jacket includes an outermost exterior surface of the drop cable and has a maximum outer diameter of less than or equal to 12 millimeters.
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公开(公告)号：US11536096B2
公开(公告)日：2022-12-27
申请号：US16491918
申请日：2018-02-22
发明人： Brett Villiger , Joseph Cignarale
摘要： A downhole cable includes a central core. The central core includes a metal tube having a plurality of optical fibers therein or a copper wire. The downhole cable further includes an extruded aluminum tube surrounding the central core.
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公开(公告)号：US11150425B2
公开(公告)日：2021-10-19
申请号：US16302388
申请日：2017-06-02
发明人： Rajesh Kamath , Brett Villiger
IPC分类号： G02B6/44 , E21B47/007 , E21B47/135
摘要： A downhole strain sensing cable includes a core optical unit which includes a plurality of optical fibers. A fiber-reinforced polymer matrix layer surrounds and contacts the core optical unit. An extrusion layer surrounds and contacts the fiber-reinforced polymer matrix layer. An outer metal tube surrounds and contacts the extrusion layer.
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公开(公告)号：US12130486B2
公开(公告)日：2024-10-29
申请号：US18204582
申请日：2023-06-01
发明人： Rajesh Kamath , Michael Houck , Brett Villiger , Justin Quinn , Joseph Cignarale
IPC分类号： G02B6/44
CPC分类号： G02B6/4432 , G02B6/4403 , G02B6/4433 , G02B6/4436
摘要： A fiber optic distribution cable includes a central inner jacket formed from one of a polyvinyl chloride or a low smoke zero halogen material, a plurality of optical fibers disposed within the inner jacket, and a plurality of first strength members disposed within the inner jacket. The fiber optic distribution cable further includes an outer jacket surrounding the central inner jacket, the outer jacket formed from the one of the polyvinyl chloride or the low smoke zero halogen material, and a plurality of second strength members disposed between the outer jacket and the central inner jacket. A fiber density of the cable is greater than 0.65 fibers per square millimeter.
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公开(公告)号：US20220003952A1
公开(公告)日：2022-01-06
申请号：US17479677
申请日：2021-09-20
发明人： Rajesh Kamath , Brett Villiger
IPC分类号： G02B6/44 , E21B47/007 , E21B47/135
摘要： A downhole strain sensing cable includes a core optical unit which includes a plurality of optical fibers. A fiber-reinforced polymer matrix layer surrounds and contacts the core optical unit. An extrusion layer surrounds and contacts the fiber-reinforced polymer matrix layer. An outer metal tube surrounds and contacts the extrusion layer.
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公开(公告)号：US10754114B2
公开(公告)日：2020-08-25
申请号：US16478064
申请日：2017-01-25
发明人： Rajesh Kamath , Michael Houck , Brett Villiger , Justin Quinn , Joseph Cignarale
IPC分类号： G02B6/44
摘要： A fiber optic distribution cable includes a central inner jacket formed from one of a polyvinyl chloride or a low smoke zero halogen material, a plurality of optical fibers disposed within the inner jacket, and a plurality of first strength members disposed within the inner jacket. The fiber optic distribution cable further includes an outer jacket surrounding the central inner jacket, the outer jacket formed from the one of the polyvinyl chloride or the low smoke zero halogen material, and a plurality of second strength members disposed between the outer jacket and the central inner jacket. A fiber density of the cable is greater than 0.65 fibers per square millimeter.
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公开(公告)号：US20190221334A1
公开(公告)日：2019-07-18
申请号：US16302362
申请日：2017-06-02
发明人： Rajesh Kamath , Brett Villiger
CPC分类号： H01B11/22 , G01V11/002 , G02B6/4416 , G02B6/443 , G02B6/4488 , H01B1/02 , H01B7/046 , H01B7/20
摘要： A downhole logging cable includes a core conductor unit and a core optical unit. The core conductor unit may include a conductor and a jacket which surrounds and contacts the conductor. At least one metal tube may surround the core conductor unit and core optical unit, such that the core conductor unit and core optical unit are disposed in an interior of the at least one metal tube. A filler may be provided in the interior surrounding the core conductor unit and core optical unit.
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公开(公告)号：US20240255716A1
公开(公告)日：2024-08-01
申请号：US18220539
申请日：2023-07-11
IPC分类号： G02B6/44
CPC分类号： G02B6/4432 , G02B6/4413 , G02B6/44384 , G02B6/4488
摘要： Fiber optic cables are provided. A fiber optic cable includes a central core formed from a first thermoplastic material, wherein a central interior is defined within the central core. The fiber optic cable further includes a protective jacket surrounding and in contact with the central core, the protective jacket formed from a second thermoplastic material. The fiber optic cable further includes an armor layer surrounding and in contact with the protective jacket, the armor layer including a plurality of metal rods disposed in an annular array. The fiber optic cable further includes a plurality of optical fibers disposed within the central core.
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