发明申请
US20070107909A1 APPARATUS AND METHODS FOR FACILITATING THE CONNECTION OF TUBULARS USING A TOP DRIVE
审中-公开
使用顶部驱动器来提高管道连接的装置和方法
- 专利标题: APPARATUS AND METHODS FOR FACILITATING THE CONNECTION OF TUBULARS USING A TOP DRIVE
- 专利标题(中): 使用顶部驱动器来提高管道连接的装置和方法
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申请号: US11554139申请日: 2006-10-30
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公开(公告)号: US20070107909A1公开(公告)日: 2007-05-17
- 发明人: Bernd-Georg Pietras
- 申请人: Bernd-Georg Pietras
- 优先权: GB9828669.3 19981224
- 主分类号: E21B19/00
- IPC分类号: E21B19/00
摘要:
An apparatus for facilitating the connection of tubulars using a top drive, the apparatus comprising a supporting member connectable to said top drive characterized in that it further comprises an internal tool for engaging said tubular and an external clamping device for engaging said tubular.
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