发明授权
- 专利标题: APPARATUS AND METHODS FOR TUBULAR MAKEUP INTERLOCK
- 专利标题(中): 设备和方法得到交安全攻击管研究
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申请号: EP02722498.9申请日: 2002-05-08
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公开(公告)号: EP1387924B1公开(公告)日: 2006-12-20
- 发明人: HAUGEN, David, Michael
- 申请人: WEATHERFORD/LAMB, INC.
- 申请人地址: 515 Post Oak Blvd., Suite 600 Houston Texas 77027 US
- 专利权人: WEATHERFORD/LAMB, INC.
- 当前专利权人: WEATHERFORD/LAMB, INC.
- 当前专利权人地址: 515 Post Oak Blvd., Suite 600 Houston Texas 77027 US
- 代理机构: Hagmann-Smith, Martin P.
- 优先权: US860127 20010517
- 国际公布: WO2002092959 20021121
- 主分类号: E21B19/10
- IPC分类号: E21B19/10 ; E21B19/06 ; E21B19/07
摘要:
The present invention provides for an apparatus and methods to prevent an operator from inadvertently dropping a string (210) into a wellbore (180) during assembling and disassembling of tubulars. Additionally, the apparatus and methods can be used to for running in casing, running in wellbore components or for a drill string.
公开/授权文献
- EP1387924B3 APPARATUS AND METHODS FOR TUBULAR MAKEUP INTERLOCK 公开/授权日:2012-08-29
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