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    • 4. 发明申请
    • MEASUREMENT AND CONTROL OF LIQUID LEVEL IN WELLS
    • 井眼液位测量与控制
    • WO2010051187A1
    • 2010-05-06
    • PCT/US2009/061357
    • 2009-10-20
    • CH2M HILL, Inc.OCONDI, ChamCOMPTON, Larry J.
    • OCONDI, ChamCOMPTON, Larry J.
    • E21B43/12
    • E21B47/042E21B47/0008
    • Methods and apparatuses are disclosed for measuring and controlling liquid levels in a well. The apparatus may include a plurality of sensors, the plurality of sensors comprising: a first sensor coupled to the well, the first sensor configured to measure a casing pressure, a second sensor coupled to the well, the second sensor configured to measure a tubing pressure, and a third sensor coupled to a motor that is further coupled to the well, the third sensor configured to measure at least one characteristic of the motor, and a processor coupled to the plurality of sensors, wherein the processor calculates a level of liquid in the well based upon measurements of at least two of the plurality of sensors.
    • 公开了用于测量和控制井中液面的方法和装置。 所述装置可以包括多个传感器,所述多个传感器包括:联接到所述井的第一传感器,被配置为测量套管压力的第一传感器,耦合到所述井的第二传感器,所述第二传感器被配置成测量管道压力 以及耦合到电动机的第三传感器,其进一步耦合到所述阱,所述第三传感器被配置为测量所述电动机的至少一个特性,以及耦合到所述多个传感器的处理器,其中所述处理器计算液体的水平 所述井基于所述多个传感器中的至少两个的测量。