发明授权
- 专利标题: Retrievable guide base for subsea well
- 专利标题(中): 海底井可索引指南
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申请号: US561542申请日: 1990-08-01
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公开(公告)号: US5069287A公开(公告)日: 1991-12-03
- 发明人: David E. Short , Arthur G. Ahlstone , William A. Valka
- 申请人: David E. Short , Arthur G. Ahlstone , William A. Valka
- 申请人地址: IL Chicago
- 专利权人: FMC Corporation
- 当前专利权人: FMC Corporation
- 当前专利权人地址: IL Chicago
- 主分类号: E21B33/035
- IPC分类号: E21B33/035 ; E21B33/038
摘要:
A retrievable guide base and gimbal unit for a subsea well, and a tool for use with a pipe running to retrieve the guide base and gimbal from the subsea wellhead.
公开/授权文献
- US5582898A Polysulfide composites and method 公开/授权日:1996-12-10