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    • 5. 发明授权
    • Coiled tubing injector assembly
    • 螺旋管喷油器总成
    • US09249636B2
    • 2016-02-02
    • US13581840
    • 2011-03-03
    • Richard HavingaLayden Reginald
    • Richard HavingaLayden Reginald
    • E21B19/22
    • E21B19/22
    • A coiled tubing injector assembly having an arch for guiding coiled tubing into the injector and, including an injector selectively engageable with coiled tubing for forcing the coiled tubing through the injector in an upward or downward direction. There is also an injector mount and the injector is interconnected to the mount via a plurality of load cells, such that any forces exerted on the injector by flexing or twisting of the arch and/or coiled tubing guided by the arch are detected by the load cells.
    • 一种连续油管注射器组件,其具有用于将连续油管引导到喷射器中的拱形件,并且包括可以与连续油管选择性地接合的喷射器,用于在向上或向下的方向上迫使连续油管通过喷射器。 还有一个注射器支架,并且喷射器经由多个称重传感器与安装座相互连接,使得由弓引导的弓和/或连续油管的弯曲或扭曲施加在喷射器上的任何力由负载检测 细胞。
    • 9. 发明授权
    • Coiled tubing injector with a weight on bit circuit
    • 盘管式注油器,重量在位回路上
    • US08302677B2
    • 2012-11-06
    • US12441746
    • 2007-09-24
    • Richard Havinga
    • Richard Havinga
    • E21B19/22E21B44/02
    • F16D31/02E21B19/22E21B44/02
    • A control circuit for a coiled tubing injector includes a circuit controller (14). One or more counterbalance valves (3) may be responsive to the circuit controller to prevent the tubing string from descending into the wellbore during rate of penetration movement. In one embodiment, a control valve (4) allows fluid to flow through a bypass line around the counterbalance valves when drilling in a weight-on-bit mode. Other hydraulic control circuits allow for the release of fluid pressure to control the injector hydraulic motor. In yet another embodiment, the control circuit regulates power to an electric motor of the injector.
    • 用于连续油管喷射器的控制电路包括电路控制器(14)。 一个或多个平衡阀(3)可以响应于电路控制器,以防止在穿透运动速率期间油管柱下降到井眼中。 在一个实施例中,当以重量位模式进行钻孔时,控制阀(4)允许流体绕平衡阀周围的旁通管流动。 其他液压控制电路允许释放流体压力以控制喷射器液压马达。 在另一个实施例中,控制电路调节对注射器的电动马达的动力。