Invention Grant
- Patent Title: Earth-boring tools including abrasive cutting structures and related methods
- Patent Title (中): 钻孔工具包括磨料切割结构和相关方法
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Application No.: US13095032Application Date: 2011-04-27
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Publication No.: US08177001B2Publication Date: 2012-05-15
- Inventor: Eric E. McClain , Michael L. Doster , John C. Thomas , Matthew R. Isbell , Jarod DeGeorge , Chad T. Jurica
- Applicant: Eric E. McClain , Michael L. Doster , John C. Thomas , Matthew R. Isbell , Jarod DeGeorge , Chad T. Jurica
- Applicant Address: US TX Houston
- Assignee: Baker Hughes Incorporated
- Current Assignee: Baker Hughes Incorporated
- Current Assignee Address: US TX Houston
- Agency: TraskBritt
- Main IPC: E21B10/43
- IPC: E21B10/43

Abstract:
A drill bit includes a bit body having a face on which two different types of cutters are disposed, the first type being cutting elements suitable for drilling at least one subterranean formation and the second type being at least one of an abrasive cutting structure and an abrasive cutting element suitable for drilling through a casing shoe, reamer shoe, casing bit, casing or liner string and cementing equipment or other components, as well as cement. Methods of forming earth-boring tools include disposing at least one abrasive cutting structure or element on the earth-boring tool. Methods of drilling with earth-boring tools including drilling with at least one abrasive cutting structure or element.
Public/Granted literature
- US20110198128A1 EARTH-BORING TOOLS INCLUDING ABRASIVE CUTTING STRUCTURES AND RELATED METHODS Public/Granted day:2011-08-18
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