发明授权
- 专利标题： Milling tool for establishing openings in wellbore obstructions
- 专利标题（中）： 用于在井眼障碍物中建立开口的铣削工具
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申请号： US12896266申请日： 2010-10-01
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公开(公告)号： US08499834B2公开(公告)日： 2013-08-06
- 发明人: Christopher W. Guidry , Guruswami Navin , Lambertus C. F. Joppe , Andrew D. Ponder , Calvin Stowe
- 申请人： Christopher W. Guidry , Guruswami Navin , Lambertus C. F. Joppe , Andrew D. Ponder , Calvin Stowe
- 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： E21B29/06
- IPC分类号： E21B29/06 ; E21B17/10 ; E21B10/26
摘要：
A milling tool which includes a nose cutting portion, a cutting section having a plurality of hardened cutters and a shaft portion. A wear pad is disposed on the cutting section and shaft portion. Upon the shaft portion, the wear pad extends radially outwardly to an engagement diameter that exceeds the maximum cutting diameter of the cutters.
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