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    • 10. 发明授权
    • Method for using a top drive with an air lift thread compensator and a hollow cylinder rod providing minimum flexing of conduit
    • 使用具有空气提升螺纹补偿器的顶部驱动器和提供导管的最小弯曲的中空圆柱杆的方法
    • US07921939B1
    • 2011-04-12
    • US12861534
    • 2010-08-23
    • Larry G. KeastJames StricklandAlan Shem
    • Larry G. KeastJames StricklandAlan Shem
    • E21B3/02E21B19/02
    • E21B19/16E21B3/02
    • A method for using a top drive is disclosed herein. The method can include: actuating a motor to provide power to the top drive, thereby rotating a stem with a saver sub mounted to a top drive housing having a bearing disposed about the rotatable stem; grabbing, lifting, and positioning tubulars using an elevator; and suspending weight of the top drive to prevent damage to threads of the tubulars during threadable engagement and disengagement of the tubulars using an airbag of an airlift thread compensator. The method can further include: positioning a torque wrench assembly along the tubulars for connecting the tubulars using a hydraulic cylinder disposed inside a torque supporting telescoping tubes; and movably positioning a single hollow cylinder rod of the hydraulic cylinder to extend into a first and second protected area, thereby preventing axial movement of a flexible hose during operation of the torque wrench assembly.
    • 本文公开了一种使用顶部驱动器的方法。 该方法可以包括:致动马达以向顶部驱动器提供动力,由此旋转具有安装到具有围绕可旋转杆布置的轴承的顶部驱动器壳体的保护器的杆; 使用电梯抓住,提升和定位管子; 并且悬挂上部驱动器的重量以防止在使用空气提升螺纹补偿器的气囊的螺纹接合和分离过程中损坏管状螺纹。 该方法还可以包括:沿着管状物定位扭矩扳手组件,用于使用设置在扭矩支撑伸缩管内的液压缸来连接管件; 并且可移动地定位液压缸的单个中空圆柱杆以延伸到第一和第二保护区域中,从而防止在扭矩扳手组件的操作期间柔性软管的轴向移动。