发明授权
- 专利标题： Expanding multiple tubular portions
- 专利标题（中）： 扩大多个管状部分
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申请号： US12790585申请日： 2010-05-28
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公开(公告)号： US08028749B2公开(公告)日： 2011-10-04
- 发明人: Colin McHardy , Simon John Harrall
- 申请人： Colin McHardy , Simon John Harrall
- 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： GB0525410.7 20051214
- 主分类号： E21B43/10
- IPC分类号： E21B43/10
摘要：
Apparatus for expanding first and second portions of a downhole tubular in a single trip comprises a support and first and second expansion devices. The first expansion device is mounted on the support and is operable to expand a first portion of tubular. The second expansion device is mounted to a second portion of tubular and is adapted to be engaged by the support following the expansion of the first portion of tubular, and is then used to expand the second portion of tubular.
公开/授权文献
- US20100236792A1 EXPANDING MULTIPLE TUBULAR PORTIONS 公开/授权日：2010-09-23
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