Invention Application
WO2015023953A1 USING MAGNETIC FORCE/FIELD FOR DRILL BITS AND OTHER CUTTING TOOLS
审中-公开
使用磁力/钻孔钻头和其他切割工具
- Patent Title: USING MAGNETIC FORCE/FIELD FOR DRILL BITS AND OTHER CUTTING TOOLS
- Patent Title (中): 使用磁力/钻孔钻头和其他切割工具
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Application No.: PCT/US2014/051291Application Date: 2014-08-15
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Publication No.: WO2015023953A1Publication Date: 2015-02-19
- Inventor: BURHAN, Yuri , ZHANG, Youhe , CHEN, Chen , SWINEHART, Joseph
- Applicant: SMITH INTERNATIONAL, INC.
- Applicant Address: 1310 Rankin Rd. Houston, TX 77073 US
- Assignee: SMITH INTERNATIONAL, INC.
- Current Assignee: SMITH INTERNATIONAL, INC.
- Current Assignee Address: 1310 Rankin Rd. Houston, TX 77073 US
- Agency: KLINGER, David, W. et al.
- Priority: US14/459,828 20140814; US61/866,313 20130815
- Main IPC: E21B10/08
- IPC: E21B10/08 ; E21B10/42
Abstract:
A cutting element assembly includes a rotatable cutting element having an axis of rotation extending axially therethrough, a cutting face and a body extending axially downward from the cutting face, at least one retention mechanism disposed adjacent to the rotatable cutting element, and a first magnet disposed at a back face of the rotatable cutting element.
Information query
