- 专利标题: Downhole deployment valves
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申请号: EP12183750.4申请日: 2008-03-31
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公开(公告)号: EP2535504B1公开(公告)日: 2015-04-22
- 发明人: Noske, Joe , Iblings, David , Pavel, David , Brunnert, David J. , Smith, Paul L. , Grayson, Michael Brian
- 申请人: Weatherford Technology Holdings, LLC
- 申请人地址: 2000, St. James Place Houston, TX 77056 US
- 专利权人: Weatherford Technology Holdings, LLC
- 当前专利权人: Weatherford Technology Holdings, LLC
- 当前专利权人地址: 2000, St. James Place Houston, TX 77056 US
- 代理机构: Hagmann-Smith, Martin P.
- 优先权: US910129P 20070404
- 主分类号: E21B34/10
- IPC分类号: E21B34/10 ; E21B21/08 ; E21B21/10 ; E21B34/14
公开/授权文献
- EP2535504A1 Downhole deployment valves 公开/授权日:2012-12-19
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