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    • 2. 发明授权
    • Injection manifold and method
    • 注射歧管和方法
    • US4953618A
    • 1990-09-04
    • US296265
    • 1989-01-12
    • Syed HamidJackie K. LucasRussell R. Lockman
    • Syed HamidJackie K. LucasRussell R. Lockman
    • E21B33/068E21B43/12E21B49/00
    • E21B33/068E21B43/12E21B49/008
    • An injection manifold for use in injecting fluid into a well and method of use. Several embodiments of the apparatus are shown. In each embodiment, a bypass valve is used to control the discharge pressure of a pump, and a throttling valve is used to control the fluid injection flow rate to the well in response to a flow rate measured by a flow meter. In a first embodiment, the throttling is carried out manually. In a second embodiment, the throttling is carried out automatically by a controller which compares a flow rate signal from the meter with a predetermined flow rate set point and sends a corresponding output signal to an actuator of the throttling valve. A third embodiment is a combination manifold which may also be used for flowback tests from the well. In this third embodiment, the electronic controller may also be used to control the flow rate during the flowback test in response to a flow rate signal from the flow meter. A method of injecting fluid into a well using the apparatus is also disclosed.
    • 用于将流体注入井中的注入歧管和使用方法。 显示该装置的几个实施例。 在每个实施例中,旁路阀用于控制泵的排出压力,并且使用节流阀来响应于由流量计测量的流量来控制到井的流体喷射流量。 在第一实施例中,手动进行节流。 在第二实施例中,通过将来自仪表的流量信号与预定流量设定点进行比较的控制器自动执行节流,并将相应的输出信号发送到节流阀的致动器。 第三实施例是组合歧管,其也可以用于来自井的回流测试。 在该第三实施例中,电子控制器还可以用于响应于来自流量计的流量信号来控制回流测试期间的流量。 还公开了使用该装置将流体注入井的方法。