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    • 1. 发明授权
    • Method and apparatus for drilling with casing
    • 用套管钻孔的方法和装置
    • US07140445B2
    • 2006-11-28
    • US10794797
    • 2004-03-05
    • David ShahinJeff HabetzDavid M. HaugenGary ThompsonBernd-Georg PietrasJimmy L. HollingsworthBernd Reinholdt
    • David ShahinJeff HabetzDavid M. HaugenGary ThompsonBernd-Georg PietrasJimmy L. HollingsworthBernd Reinholdt
    • E21B19/16
    • E21B19/161E21B7/20E21B19/14
    • Methods and apparatus for drilling with a top drive system are provided. In one aspect, a top drive system includes a top drive, top drive adapter, and a tubular positioning apparatus. In another aspect, the top drive adapter is pivotably connected to the top drive for pivoting the top drive adapter toward the casing string with respect to the top drive. In another aspect, the system includes a telescopic link system connected to a lower portion of the top drive adapter to move the casing string into engagement with the top drive adapter. In another aspect, the top drive adapter includes a housing operatively connected to the top drive and a plurality of retaining members disposed in the housing for gripping the tubular. In another aspect, the tubular positioning apparatus includes a gripping member for engaging a tubular and a conveying member for positioning the gripping member. A spinner may be provided to rotate the tubular.
    • 提供了使用顶驱系统进行钻孔的方法和装置。 一方面,顶部驱动系统包括顶部驱动器,顶部驱动适配器和管状定位装置。 在另一方面,顶部驱动器适配器可枢转地连接到顶部驱动器,用于相对于顶部驱动器将顶部驱动器适配器朝着套管柱枢转。 在另一方面,该系统包括连接到顶部驱动适配器的下部的伸缩连杆系统,以将套管柱移动成与顶部驱动适配器接合。 在另一方面,顶部驱动适配器包括可操作地连接到顶部驱动器的壳体和设置在壳体中的多个保持构件,用于夹持管状物。 在另一方面,管状定位装置包括用于接合管状物的夹持构件和用于定位夹持构件的输送构件。 可以设置旋转器以旋转管。