发明申请
- 专利标题: High chrome/nickel milling with PDC cutters
- 专利标题(中): 高铬/镍铣削与PDC刀具
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申请号: US11212035申请日: 2005-08-23
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公开(公告)号: US20060090897A1公开(公告)日: 2006-05-04
- 发明人: Calvin Stowe , Rustom Mody , Brad Pickle
- 申请人: Calvin Stowe , Rustom Mody , Brad Pickle
- 主分类号: E21B29/00
- IPC分类号: E21B29/00
摘要:
A method of downhole milling of an item having high chrome/high nickel content, using polycrystalline diamond cutting elements, exhibiting less wear, requiring less torque and weight, and producing less heat, than prior art tungsten carbide elements.
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