- 专利标题: Earth-boring tools having cutting elements with cutting faces exhibiting multiple coefficients of friction, and related methods
-
申请号: US14660716申请日: 2015-03-17
-
公开(公告)号: US09821437B2公开(公告)日: 2017-11-21
- 发明人: Juan Miguel Bilen , Anthony A. DiGiovanni , Chih C. Lin , Suresh G. Patel , Rudolf Carl Pessier , Danny E. Scott , 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: B24D18/00
- IPC分类号: B24D18/00 ; E21B10/567 ; B23K26/00 ; B23P15/28
摘要:
An earth-boring tool having at least one cutting element with a multi-friction cutting face provides for the steering of formation cuttings as the cuttings slide across the cutting face. The multi-friction cutting element includes a diamond table bonded to a substrate of superabrasive material. The diamond table has a cutting face formed thereon with a cutting edge extending along a periphery of the cutting face. The cutting face has a first area having an average surface finish roughness less than an average surface finish roughness of a second area of the cutting face, the two areas separated by a boundary having a proximal end proximate a tool crown and a distal end remote from the tool crown.
公开/授权文献
信息查询