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    • 7. 发明申请
    • FLOW CONTROL DEVICE AND METHOD
    • 流控制装置及方法
    • US20160201431A1
    • 2016-07-14
    • US14596488
    • 2015-01-14
    • Jose Rafael Gonzalez CastilloNadine Macklin
    • Jose Rafael Gonzalez CastilloNadine Macklin
    • E21B34/12E21B33/13E21B43/24E21B43/25
    • E21B43/12E21B34/14E21B2034/007
    • A flow control device having a longitudinal axis includes an outer housing having at least one fluid inlet, a multi-channel flow member positioned radially within the outer housing, a plurality of flow channels formed between the outer housing and the flow member, at least two of the plurality of flow channels having a different flow resistance rating from each other, and a radial window formed in an outlet region of each of the plurality of flow channels. The flow control device further includes a sliding sleeve positioned radially within the multi-channel flow member, the sliding sleeve including a first section of radial slots. The first section of radial slots is configured to align with a selected radial window via longitudinal movement of the sliding sleeve with respect to the multi-channel flow member.
    • 具有纵向轴线的流量控制装置包括具有至少一个流体入口的外部壳体,径向地位于外部壳体内的多通道流动构件,形成在外部壳体和流动构件之间的多个流动通道,至少两个 的多个流动通道具有彼此不同的流动阻力等级,以及形成在所述多个流动通道中的每一个的通道的出口区域中的径向窗口。 流量控制装置还包括径向位于多通道流动构件内的滑动套筒,滑动套筒包括第一部分径向槽。 径向槽的第一部分构造成通过滑动套管相对于多通道流动构件的纵向移动而与选定的径向窗口对齐。