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    • 10. 发明授权
    • Inductively coupled method and apparatus of communicating with wellbore equipment
    • 与井筒设备通信的感应耦合方法和装置
    • US07165618B2
    • 2007-01-23
    • US10701325
    • 2003-11-04
    • Mark W. BrockmanHerve OhmerDavid L. Malone
    • Mark W. BrockmanHerve OhmerDavid L. Malone
    • E21B43/00
    • E21B41/0042E21B17/003E21B17/028E21B41/0035E21B47/12E21B47/122
    • A method and apparatus that allows communications of electrical power and signaling from downhole component to another downhole component employs an inductive coupler assembly. In one arrangement, one portion of the inductive coupler assembly is attached to a production tubing section and the other portion of the inductive coupler assembly is attached to a casing or other liner section. The production tubing inductive coupler portion is electrically connected to a cable over which electrical power and signals may be transmitted. Such power and signals are magnetically coupled to the inductive coupler portion in the casing or liner section and communicated to various electrical devices mounted outside the casing or liner section. In other arrangements, inductive coupler assemblies may be used to couple electrical power and signals from the main bore to components in lateral branches of a multilateral well.
    • 允许从井下部件到另一井下部件的电力和信令的通信的方法和装置采用电感耦合器组件。 在一种布置中,电感耦合器组件的一部分附接到生产管道部分,并且电感耦合器组件的另一部分附接到壳体或其它衬套部分。 生产管道电感耦合器部分电连接到可以传输电功率和信号的电缆。 这种功率和信号被磁耦合到壳体或衬套部分中的感应耦合器部分并且传递到安装在壳体或衬套部分外部的各种电气装置。 在其他布置中,电感耦合器组件可用于将来自主孔的电功率和信号耦合到多边井的侧向分支中的组件。