发明授权
- 专利标题: Seal arrangement
- 专利标题(中): 密封安排
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申请号: US10902694申请日: 2004-07-29
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公开(公告)号: US07370708B2公开(公告)日: 2008-05-13
- 发明人: Neil Andrew Abercrombie Simpson , Alexander Craig Mackay , Robert Cowman
- 申请人: Neil Andrew Abercrombie Simpson , Alexander Craig Mackay , Robert Cowman
- 申请人地址: US TX Houston
- 专利权人: Weatherford/Lamb, Inc.
- 当前专利权人: Weatherford/Lamb, Inc.
- 当前专利权人地址: US TX Houston
- 代理机构: Patterson & Sheridan, L.L.P.
- 优先权: GB0318181.5 20030802
- 主分类号: F16L17/73
- IPC分类号: F16L17/73 ; E21B29/00
摘要:
A seal arrangement comprises an expandable inner tubular and an outer tubular. The inner tubular comprises an axially extending lip seal. Expansion of the inner tubular serves to energise the lip seal, a free end of which will be urged into contact with the outer tubular.
公开/授权文献
- US20050057005A1 Seal arrangement 公开/授权日:2005-03-17
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