Invention Grant
US06640939B2 Snubbing unit with improved slip assembly 有权
具有改进的滑动组件的缓冲单元

  • Patent Title: Snubbing unit with improved slip assembly
  • Patent Title (中): 具有改进的滑动组件的缓冲单元
  • Application No.: US09998449
    Application Date: 2001-11-30
  • Publication No.: US06640939B2
    Publication Date: 2003-11-04
  • Inventor: David A. Buck
  • Applicant: David A. Buck
  • Main IPC: B65H5910
  • IPC: B65H5910
Snubbing unit with improved slip assembly
Abstract:
An improved snubbing unit including a snubbing unit base, a lifting assembly having a platform positioned above the base, a rotary table positioned on the snubbing unit, and a first slip assembly positioned on the rotary table. The first slip assembly further includes a base plate with a center aperture formed therein, at least two separate slip frames positioned on the base plate around the center aperture, wherein each of the slip frames includes a slip surface, and a die carrier positioned within each of the slip frames, wherein each of the die carriers also includes a surface for engagement with the slip surfaces of said slip frames. Additionally, a second slip assembly will be positioned on the snubbing unit.
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