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    • 81. 发明授权
    • Hydrocarbon monitoring cable
    • 烃监测电缆
    • US07496258B1
    • 2009-02-24
    • US11937722
    • 2007-11-09
    • Joseph Varkey
    • Joseph Varkey
    • G02B6/44
    • G02B6/4492E21B47/065E21B47/123G01D5/3537G01M11/085G02B6/4416
    • A hydrocarbon monitoring cable including resistance to development of defects in a fiber optic core thereof. The core defect resistance may be in the form of resistance to defect causing agents of a downhole environment such as hydrogen. This may be obtained through the use of a carbon layer about the fiber optic core. However, in light of the differing coefficients of thermal expansion between such a carbon layer and an outer polymer jacket, an intermediate polymer layer of a third coefficient of thermal expansion may be disposed between the carbon and jacket layers. Thus, the intermediate polymer layer may be of a third coefficient of thermal expansion selected so as to avoid fiber optic defect causing thermal expansion from the downhole environment itself. Additionally, the monitoring cable may include an electrically conductive layer about the fiber optic core that is positively charged to repel other positively charged fiber optic defect causing agents of the downhole environment. Furthermore, a polymer-based absorbing layer for absorbing such defect causing agents may be disposed about the fiber optic core for protection.
    • 一种碳氢化合物监测电缆,包括耐发展光纤芯中的缺陷。 核心缺陷阻力可以是对诸如氢气等井下环境的缺陷引发剂的抵抗力的形式。 这可以通过使用围绕光纤芯的碳层获得。 然而,鉴于这种碳层和外部聚合物护套之间的热膨胀系数不同,可以在碳层和护套层之间设置第三热膨胀系数的中间聚合物层。 因此,中间聚合物层可以具有选择的第三热膨胀系数,以避免光纤缺陷引起井下环境本身的热膨胀。 另外,监测电缆可以包括围绕光纤芯的导电层,其被带正电以排斥导致井下环境的代理的其它带正电的光纤缺陷。 此外,用于吸收这种缺陷引发剂的聚合物基吸收层可以设置在光纤芯周围用于保护。
    • 85. 发明申请
    • RUGGEDIZED OPTICAL FIBERS FOR WELLBORE ELECTRICAL CABLES
    • 用于井眼电缆的强化光纤
    • US20060280412A1
    • 2006-12-14
    • US11279336
    • 2006-04-11
    • Joseph Varkey
    • Joseph Varkey
    • G02B6/44G02B6/036G02B6/02
    • G02B6/4427G02B6/4402G02B6/4416G02B6/4492H01B7/046
    • Disclosed are wellbore electric cable components, methods of manufacturing such components, and cables incorporating the components. Particularly, ruggedized optical fibers useful for forming slickline electric cables are described. The ruggedized optical fiber components contain one or more coated optical fibers, metallic conductors, non-fiber-reinforced resins, and long-fiber-reinforced resins. The optical fiber(s) are generally positioned in the center of the component, while the metallic conductors are helically disposed around the metallic conductors. The long-fiber-reinforced resin forms an outer jacket around the combination of optical fibers and metallic conductors. A non-fiber-reinforced resin is disposed directly upon the metallic conductors, between the conductors and long-fiber-reinforced resin.
    • 公开了井眼电缆部件,制造这种部件的方法,以及结合部件的电缆。 特别地,描述了用于形成光滑电缆的耐用光纤。 坚固耐用的光纤部件包含一个或多个涂覆光纤,金属导体,非纤维增强树脂和长纤维增强树脂。 光纤通常位于部件的中心,而金属导体围绕金属导体螺旋设置。 长纤维增强树脂围绕光纤和金属导体的组合形成外护套。 非纤维增强树脂直接设置在金属导体之间,导体与长纤维增强树脂之间。
    • 86. 发明申请
    • Electrical cables
    • 电缆
    • US20060137895A1
    • 2006-06-29
    • US11024305
    • 2004-12-28
    • Joseph VarkeyByong KimWillem WijnbergFaisal ArifAnil SinghJeffrey ArnaudJohn Nguyen
    • Joseph VarkeyByong KimWillem WijnbergFaisal ArifAnil SinghJeffrey ArnaudJohn Nguyen
    • H01B11/02
    • H01B7/2806H01B7/0291H01B7/046
    • An electrical cable is provided which includes a coated electrical conductor, a polymeric protective layer which traps any coating flakes, a first insulating jacket disposed adjacent to the electrical conductor and having a first relative permittivity. A second insulating jacket disposed adjacent to the first insulating jacket and having a second relative permittivity that is less than the first relative permittivity. In another aspect of the present invention, a method is provided for manufacturing a cable that includes providing a coated electrical conductor, extruding a polymeric protective layer over the coated electrical conductor, extruding a first insulating jacket over the protective polymeric layer, and extruding a second insulating jacket thereon. Cables of the invention may further include armor wire layers or even current return conductors.
    • 提供一种电缆,其包括涂覆的电导体,捕获任何涂层薄片的聚合物保护层,邻近电导体设置并具有第一相对介电常数的第一绝缘护套。 第二绝缘护套,其设置成与第一绝缘护套相邻并且具有小于第一相对介电常数的第二相对介电常数。 在本发明的另一方面,提供一种用于制造电缆的方法,该电缆包括提供涂覆的电导体,在涂覆的电导体上挤出聚合物保护层,在保护性聚合物层上挤出第一绝缘护套,并挤出第二 绝缘护套。 本发明的电缆还可以包括装甲线层或甚至电流返回导体。
    • 87. 发明授权
    • Torque-balanced, gas-sealed wireline cables
    • 扭矩平衡,气密电缆电缆
    • US09412492B2
    • 2016-08-09
    • US12425439
    • 2009-04-17
    • Joseph VarkeySheng ChangByong Jun KimJushik Yun
    • Joseph VarkeySheng ChangByong Jun KimJushik Yun
    • H01B9/02H01B7/04H01B7/285
    • H01B7/046H01B7/1895H01B7/285H01B13/02H01B13/24Y02A30/14Y10T29/49117
    • A torque-balanced, gas-blocking wireline cable and a method of making the cable includes an electrically conductive cable core for transmitting electrical power and surrounding inner and outer layers of a plurality of armor wires. Gas blocking is achieved by placing a soft polymer layer over the core before the inner wires are cabled thereon. The inner wires imbed partially into the soft polymer layer such that no gaps are left between the inner wires and the core. A second soft polymer layer is optionally extruded over the inner wires before the outer wires are applied. The second soft polymer layer fills any spaces between the inner and outer wire layers and prevents pressurized gas from infiltrating between the wires. The inner wires have larger diameters than the outer wires such that the inner wires carry approximately 60% of the load and torque imbalance is prevented.
    • 扭矩平衡的阻气电缆电缆和制造电缆的方法包括用于传输电力并围绕多个铠装线的内层和外层的导电电缆芯。 气体阻塞是通过将软聚合物层置于芯上而实现的,然后将内部电线连接在芯上。 内部线材部分地嵌入软质聚合物层中,使得内部线材和芯部之间没有间隙。 在施加外部电线之前,第二软聚合物层任选地在内部电线上挤出。 第二软聚合物层填充内部和外部线层之间的任何空间,并且防止加压气体渗入电线之间。 内部线材的直径大于外部线材,因此内部线材承载大约60%的负载,并且防止扭矩不平衡。