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    • 4. 发明申请
    • IMPROVED TUBULAR RUNNING TOOL
    • 改进的管状运行工具
    • WO0159253A9
    • 2002-10-24
    • PCT/US0104146
    • 2001-02-09
    • FRANK S INR INCBOULIGNY VERNON J
    • BOULIGNY VERNON J
    • E21B19/07E21B19/16E21B31/20B66C1/54
    • E21B31/20E21B19/07E21B19/16
    • An improved tubular running tool (14) is disclosed for use on a rotary or top drive drilling rig of the type for inserting and selectively, internally gripping a tubular which may be utilized to lift, lower, rotate, and torque tubulars, and which may be used to fill and/or circulate fluid in and through tubulars within a wellbore. The internal tubular running tool may be used as or in conjuction with fill-up and circulating tools and with cementing head wiper plug assemblies among other tools. The tubular running tool includes an improved moving mechanism (100) having a cylindrical pneumatic chamber (106) annularly positioned with respect to a barrel element (54) that forms an axial fluid pathway therethrough. A cylindrical piston (104) is moveable within the cylindrical chamber to thereby move a cylindrical piston rod (102) connected to gripping slips (62) such that the slips selectively engage an interior portion of the tubular member.
    • 公开了一种改进的管状运行工具(14),用于用于插入和选择性地内部夹紧可用于提升,降低,旋转和扭转管状件的管状件的旋转或顶部驱动钻机,并且其可以 用于在井眼内部和通过管内的流体填充和/或循环流体。 内部管状运行工具可以与填充和循环工具一起使用,也可以与其他工具中的固井头刮水器插头组件结合使用。 管状运行工具包括改进的移动机构(100),其具有相对于形成穿过其中的轴向流体通道的筒形元件(54)环形定位的圆柱形气动室(106)。 圆柱形活塞(104)可在圆柱形腔室内移动,从而移动连接到夹紧滑块(62)的圆柱形活塞杆(102),使得滑动件选择性地接合管状构件的内部。