Invention Grant
US07954571B2 Cutting structures for casing component drillout and earth-boring drill bits including same
有权
用于套管组件钻头和钻孔钻头的切割结构包括它们
- Patent Title: Cutting structures for casing component drillout and earth-boring drill bits including same
- Patent Title (中): 用于套管组件钻头和钻孔钻头的切割结构包括它们
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Application No.: US12030110Application Date: 2008-02-12
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Publication No.: US07954571B2Publication Date: 2011-06-07
- 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 are also disclosed.
Public/Granted literature
- US20090084608A1 CUTTING STRUCTURES FOR CASING COMPONENT DRILLOUT AND EARTH BORING DRILL BITS INCLUDING SAME Public/Granted day:2009-04-02
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