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    • 1. 发明授权
    • Subsurface formation monitoring system and method
    • 地下形成监测系统及方法
    • US07798214B2
    • 2010-09-21
    • US12185308
    • 2008-08-04
    • Benoit SchmittChristian ChouzenouxKamal BabourPaul Beguin
    • Benoit SchmittChristian ChouzenouxKamal BabourPaul Beguin
    • E21B47/00G01V3/00
    • E21B47/121
    • A subsurface formation monitoring system comprises a conductive piping positioned within a borehole extending into the formation, a surface installed power and communication module, a downhole installed conductive casing or tubing sub comprising sensor(s) mounted on the sub, a data communication module for wireless communication of sensor measurements to the surface module, and a battery for providing power to the data communication module and the sensor. The surface module is coupled to the conductive piping and to a grounded return electrode coupled to the formation, and comprises an alternate current generator that defines an ingoing signal path along the conductive piping and sub, the ingoing signal flowing from the surface module to the sub and transmitting power from the generator to the sub. A return signal comprising sensor measurements is transmitted through a return signal path flowing from the sub to the surface module.
    • 地下地层监测系统包括定位在延伸到地层中的钻孔内的导电管道,表面安装的动力和通信模块,安装在子系统上的安装有传感器的井下安装的导电套管或管子副,用于无线的数据通信模块 传感器测量与表面模块的通信,以及用于向数据通信模块和传感器提供电力的电池。 表面模块耦合到导电管道和耦合到地层的接地返回电极,并且包括交替电流发生器,其限定沿着导电管道和子管的导入信号路径,从表面模块流到子区域的进入信号 并将发电机的功率发送到子机。 包括传感器测量的返回信号通过从子流向表面模块的返回信号路径传输。
    • 5. 发明申请
    • Electronic Motor
    • 电动机
    • US20080061647A1
    • 2008-03-13
    • US11854370
    • 2007-09-12
    • Benoit Schmitt
    • Benoit Schmitt
    • H02K16/00
    • F04D13/10E21B4/04H02K5/132H02K7/003H02K16/00
    • An electric motor for use in a borehole tool, comprising: a housing; a plurality of stator windings spaced along the inside of the housing; an output shaft located in the housing; a plurality of rotors disposed on the output shaft and aligned with the stators so as to define a plurality of motor sub-units; and separate power supplies and control systems for each motor sub-unit; wherein each motor sub-unit is separately controllable by means of its associated power supply and control system. The output shaft can comprise a single shaft with the rotors disposed thereon or a plurality of sub-shafts connected end to end with each rotor can be disposed on an associated sub-shaft. The sub-shafts can connected by means of articulated connections, and the housing can be articulated in the region of the connections.
    • 一种用于钻孔工具的电动马达,包括:壳体; 多个定子绕组沿壳体的内部间隔开; 位于壳体中的输出轴; 多个转子,设置在所述输出轴上并与所述定子对准,以限定多个电动机子单元; 并为每个电机子单元分开电源和控制系统; 其中每个电动机子单元可通过其相关联的电力供应和控制系统单独控制。 输出轴可以包括单个轴,其中设置有转子,或者每个转子端对端连接的多个副轴可以设置在相关联的副轴上。 副轴可以通过铰接连接连接,并且壳体可以在连接区域中铰接。
    • 8. 发明申请
    • Compact Wireless Transceiver
    • 紧凑型无线收发器
    • US20110304474A1
    • 2011-12-15
    • US13143042
    • 2009-12-17
    • Philippe SalamitouBenoit Schmitt
    • Philippe SalamitouBenoit Schmitt
    • G01V3/00
    • E21B47/01E21B47/122
    • A communication device for an electromagnetic telemetry system for use in a well is adapted to be attached to a conductive pipe of the well and includes at least one transmitter unit for emitting a modulated electrical current in the pipe and at least one receiver unit for receiving the modulated electrical current transmitted in the pipe, the transmitter unit and the receiver unit each comprising an antenna with a magnetic core and a winding around the magnetic core, wherein the antenna is oriented such that the magnetic moment of the winding is tangential to the cross-section of the pipe for respectively emitting and receiving the modulated electrical current.
    • 用于在井中使用的电磁遥测系统的通信装置适于附接到井的导电管,并且包括用于在管道中发射调制电流的至少一个发射器单元和用于接收 在管道中传输的调制电流,发射器单元和接收器单元各自包括具有磁芯的天线和围绕磁芯的绕组,其中天线被定向成使得绕组的磁矩与截面相交, 用于分别发射和接收调制电流的管道部分。