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    • 3. 发明申请
    • CEMENT HEAD SYSTEM AND METHOD FOR OPERATING A CEMENT HEAD SYSTEM
    • 水泥头系统和水泥头系统的操作方法
    • WO2015171112A1
    • 2015-11-12
    • PCT/US2014/036816
    • 2014-05-05
    • HALLIBURTON ENERGY SERVICES INC.
    • ROGOZINSKI, Nicolas A.ROGERS, Henry E.STANDIFER, Phillip D.MAKOWIECKI, Gary
    • E21B33/16
    • E21B33/068E21B33/05E21B33/12E21B33/14E21B34/02
    • A cement head system for wellbores and method for maintaining dynamic fluid flow therethrough, wherein a base station wirelessly drives a control sequence to (1) open cement slurry valves to actuate external visual valve indicators, (2) open upper and lower safety valves, to actuate external visual safety valve indicators, (3) open a lower release chamber to actuate an external chamber visual indicator and to release a plug that triggers an external flipper visual indicator, (4) reset the external flipper visual indicator, (5) open an upper release chamber to actuate an external chamber visual indicator and to release a plug that triggers the external flipper visual indicator; and (6) open and close a release mechanism for each of the upper and lower chamber while pumping a flush fluid through the cement head. Each valve, the release mechanisms and flipper have a controller controlled by the base station.
    • 一种用于井筒的水泥头系统和用于保持动态流体流过其中的方法,其中基站无线地驱动控制序列,以(1)打开水泥浆阀来致动外部视觉阀指示器,(2)打开上,下安全阀,至 启动外部视觉安全阀指示器,(3)打开下释放室,以启动外部室视觉指示器并释放触发外部导板视觉指示器的插头,(4)复位外部导板视觉指示器,(5)打开 上部释放室以致动外部室视觉指示器并释放触发外部导板视觉指示器的插头; 和(6)打开和关闭每个上下腔室的释放机构,同时将冲洗液体泵送通过水泥头。 每个阀门,释放机构和挡板都具有由基站控制的控制器。