发明授权
- 专利标题： Arrangement of roller cone inserts
- 专利标题（中）： 滚子锥形插入件的布置
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申请号： US11557226申请日： 2006-11-07
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公开(公告)号： US07549490B2公开(公告)日： 2009-06-23
- 发明人: Scott D. McDonough , Amardeep Singh
- 申请人： Scott D. McDonough , Amardeep Singh
- 申请人地址： US TX Houston
- 专利权人： Smith International, Inc.
- 当前专利权人： Smith International, Inc.
- 当前专利权人地址： US TX Houston
- 代理机构： Osha Liang LLP
- 主分类号： E21B10/08
- IPC分类号： E21B10/08
摘要：
A drill bit having cutting elements disposed on a roller cone surface in a non-linear pattern, wherein at least one of the cutting elements is asymmetrical to its axis of orientation. Also, a method for selecting and adjusting a cutting element orientation based on crater profile geometry which results in increased bottom hole coverage.
公开/授权文献
- US20070114072A1 Arrangement of Roller Cone Inserts 公开/授权日：2007-05-24
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