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    • 8. 发明申请
    • System And Method For Detecting Pressure In A Subterranean Environment
    • 在地下环境中检测压力的系统和方法
    • US20120097388A1
    • 2012-04-26
    • US12908810
    • 2010-10-20
    • DAVID W. BECK
    • DAVID W. BECK
    • E21B47/06E21B43/00
    • G01L9/003
    • A sensor is configured to sense pressure in an isolated or subterranean environment. The sensor is configured to act as a capacitor with a capacitance that varies as a function of pressure. The sensor has a robust design with minimal moving parts, and in which any parts that do move do not communicate electrically through direct electrical conduction (e.g., through conductive leads). Instead, moving parts that participate in the performance of sensor as a capacitor receive and dispense electrical charge only through a dielectric fluid (e.g., a gas or liquid within the sensor). This may reduce hysterysis, lag, and/or friction with respect to pressure-dependent capacitor designs in which wiring is connected directly to moving parts.
    • 传感器被配置为感测隔离或地下环境中的压力。 传感器被配置为充当具有随压力变化的电容的电容器。 传感器具有坚固的设计,具有最小的移动部件,并且其中任何移动的部件不通过直接电传导(例如,通过导电引线)进行电气通信。 相反,参与作为电容器的传感器性能的移动部件仅通过介电流体(例如传感器内的气体或液体)接收和分配电荷。 这可以减少相关于直接连接到移动部件的布线的压力相关电容器设计的滞后,滞后和/或摩擦。