发明授权
- 专利标题: Grooved expandable recess shoe and pipe for deployment of mechanical positioning devices
- 专利标题(中): 用于展开机械定位装置的凹槽可膨胀凹槽和管子
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申请号: US12133972申请日: 2008-06-05
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公开(公告)号: US07730955B2公开(公告)日: 2010-06-08
- 发明人: Graham E. Farquhar , Mark K. Adam
- 申请人: Graham E. Farquhar , Mark K. Adam
- 申请人地址: US TX Houston
- 专利权人: Baker Hughes Incorporated
- 当前专利权人: Baker Hughes Incorporated
- 当前专利权人地址: US TX Houston
- 代理商 Shawn Hunter
- 主分类号: E21B19/16
- IPC分类号: E21B19/16
摘要:
A first, expandable casing member, in an unexpanded state, is provided with a lower axial end that has a radially expanded upset or recess shoe and a locating profile. The first casing member is run into a wellbore, expanded, and secured in place within the wellbore. A second expandable casing member is then provided in an unexpanded state and disposed into the wellbore through the first casing member using a running tool. The second casing member is located with respect to the first casing member and expanded using an expansion member carried by the running tool.
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