SYSTEM AND METHOD FOR CONTROLLING FLOW IN A WELLBORE
    1.
    发明申请
    SYSTEM AND METHOD FOR CONTROLLING FLOW IN A WELLBORE 审中-公开
    用于控制井眼中流动的系统和方法

    公开(公告)号:US20110253392A1

    公开(公告)日:2011-10-20

    申请号:US13170366

    申请日:2011-06-28

    IPC分类号: E21B34/10

    摘要: A technique enables control over flow in a wellbore with a flow control system. The flow control system combines a flow reduction mechanism with a flow control device, such as a valve. The flow reduction mechanism comprises a closure member which can be selectively moved between an unactuated and actuated position, allowing relatively greater flow through the flow control device in the unactuated position. The flow reduction mechanism actuates prior to or in conjunction with the flow control device to reduce flow and thus reduce the loading forces that would otherwise act against the flow control mechanism upon closure of the flow control device.

    摘要翻译: 一种技术使得能够利用流量控制系统控制井眼中的流量。 流量控制系统将流量减小机构与流量控制装置(例如阀)相结合。 流动减小机构包括一个关闭构件,该闭合构件可选择性地在未致动位置和致动位置之间移动,允许在未致动位置中相对较大的通过流量控制装置的流动。 流量减小机构在流量控制装置之前或与流量控制装置结合致动以减少流量并因此减小当流量控制装置关闭时否则将对流量控制机构起作用的负载力。

    System and method for controlling flow in a wellbore
    2.
    发明授权
    System and method for controlling flow in a wellbore 有权
    控制井筒流量的系统和方法

    公开(公告)号:US08002040B2

    公开(公告)日:2011-08-23

    申请号:US12108151

    申请日:2008-04-23

    IPC分类号: E21B34/00 G05D7/01

    摘要: A technique enables control over flow in a wellbore with a flow control system. The flow control system combines a flow reduction mechanism with a flow control device, such as a valve. The flow reduction mechanism comprises a closure member which can be selectively moved between an unactuated and actuated position, allowing relatively greater flow through the flow control device in the unactuated position. The flow reduction mechanism actuates prior to or in conjunction with the flow control device to reduce flow and thus reduce the loading forces that would otherwise act against the flow control mechanism upon closure of the flow control device.

    摘要翻译: 一种技术使得能够利用流量控制系统控制井眼中的流量。 流量控制系统将流量减小机构与流量控制装置(例如阀)相结合。 流动减小机构包括一个关闭构件,该闭合构件可选择性地在未致动位置和致动位置之间移动,允许在未致动位置中相对较大的通过流量控制装置的流动。 流量减小机构在流量控制装置之前或与流量控制装置结合致动以减少流量并因此减小当流量控制装置关闭时否则将对流量控制机构起作用的负载力。

    MINIMAL TRAVEL FLOW CONTROL DEVICE
    3.
    发明申请
    MINIMAL TRAVEL FLOW CONTROL DEVICE 审中-公开
    最小行驶流量控制装置

    公开(公告)号:US20130062071A1

    公开(公告)日:2013-03-14

    申请号:US13232038

    申请日:2011-09-14

    摘要: A technique facilitates controlling flow in a wellbore with a simplified valve. The design of the valve also enables reduction in the overall length of the valve to improve spatial considerations. The valve comprises a valve component, e.g. a flapper, movable between a closed position and an open position. A flow tube is designed to selectively open the valve component with reduced travel, thus enabling a shortened flow tube. The short flow tube enables use of valve housings, springs, and other valve components having a reduced length.

    摘要翻译: 一种技术有助于利用简化的阀控制井眼中的流动。 阀的设计还能够减少阀的总长度,从而改善空间考虑。 阀包括阀部件,例如阀。 挡板,可在关闭位置和打开位置之间移动。 流量管被设计成选择性地打开具有减小行程的阀组件,因此能够缩短流量管。 短流管能够使用具有减小的长度的阀壳体,弹簧和其它阀部件。