发明授权
US09267333B2 Impregnated bit with improved cutting structure and blade geometry
有权
浸渍钻头具有改进的切割结构和刀片几何形状
- 专利标题: Impregnated bit with improved cutting structure and blade geometry
- 专利标题(中): 浸渍钻头具有改进的切割结构和刀片几何形状
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申请号: US14203069申请日: 2014-03-10
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公开(公告)号: US09267333B2公开(公告)日: 2016-02-23
- 发明人: Michael L. Doster
- 申请人: Baker Hughes Incorporated
- 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
- 代理机构: TraskBritt
- 主分类号: E21B10/55
- IPC分类号: E21B10/55 ; E21B10/567 ; E21B10/43 ; B23P15/28
摘要:
A rotary drag bit for drilling subterranean formations includes a bit body having a face extending from a centerline to a gage. A plurality of blades may be disposed on the face, and may generally extend radially outwardly toward the gage. The bit may further include a plurality of discrete impregnated cutting posts, each of which may extend outwardly from an associated blade. Each discrete impregnated cutting post angles generally toward a front edge of the associated blade and generally toward the intended direction of rotation of the bit. The rotary drag bit may further include a plurality of matrix pockets disposed on the blades. The discrete impregnated cutting posts may be housed within corresponding matrix pockets.
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