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    • 10. 发明授权
    • Method and apparatus for remote control of a tubing exit sleeve
    • 用于远程控制管道出口套筒的方法和装置
    • US6095248A
    • 2000-08-01
    • US185384
    • 1998-11-03
    • Tommie A. Freeman
    • Tommie A. Freeman
    • E21B7/08E21B17/00E21B43/30
    • E21B43/305E21B17/00
    • A remote-controlled tubing sleeve window for access to a lateral wellbore of a multilateral well. The tubing sleeve window has a tubular body portion that defines a side port that is sufficiently-sized to allow a well tool to pass. A sleeve is received in the tubing body portion such that it can reciprocate within the body portion. The sleeve is responsive to a remote command such that a side window defined in the sleeve can be substantially-aligned with the side port in an open relation such that a well tool can pass through said substantially-aligned side window and side port. A position sensor is also provided to sense a displacement of the sleeve with respect to the body portion.
    • 用于进入多边井的侧井筒的遥控油管套筒窗口。 管套筒窗口具有管状主体部分,其限定了足够尺寸以允许井工具通过的侧面端口。 套筒容纳在管体部分中,使得其能够在主体部分内往复运动。 套筒响应于远程命令,使得限定在套筒中的侧窗可以与侧端口以开放的关系基本上对准,使得井具可以穿过所述基本对齐的侧窗和侧端口。 还提供位置传感器来感测套筒相对于主体部分的位移。