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    • 111. 发明申请
    • AN ERECTABLE ARM ASSEMBLY FOR USE IN BOREHOLES
    • 可用的ARM装配体用于钻孔
    • WO98055727A1
    • 1998-12-10
    • PCT/AU1998/000422
    • 1998-06-05
    • E21B7/06E21B7/08E21B7/18E21B47/09
    • E21B47/09E21B7/061E21B7/18
    • An erectable arm assembly (14) for use in a borehole, the erectable arm assembly comprising a main body (20) and an arm member (22), the arm member being able to move between a collapsed position in which the assembly can be removed from the borehole and an erected position, the erectable arm assembly being adapted to house a fluid drilling assembly comprising a fluid cutting device (16) and a flexible hose drill string such that the arm member during erection can contain at least part of the fluid drilling assembly, and when in the erected position the arm member is able to guide the fluid cutting device towards the borehole wall, the assembly further including at least one sensor for monitoring the arm member or the fluid drilling assembly.
    • 一种用于井眼的可竖立的臂组件(14),所述可竖立的臂组件包括主体(20)和臂构件(22),所述臂构件能够在收缩位置之间移动,在所述收缩位置中, 从钻孔和竖立位置,可竖立的臂组件适于容纳包括流体切割装置(16)和柔性软管钻柱的流体钻井组件,使得臂架构件在竖立期间可以包含至少部分流体钻孔 并且当处于竖立位置时,臂构件能够将流体切割装置引向钻孔壁,该组件还包括用于监测臂构件或流体钻井组件的至少一个传感器。