Invention Grant
- Patent Title: Diamond bit steel body cutter pocket protection
- Patent Title (中): 金刚石钻头钢体刀具口袋保护
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Application No.: US11511881Application Date: 2006-08-29
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Publication No.: US07644786B2Publication Date: 2010-01-12
- Inventor: Alan W. Lockstedt , Thomas W. Oldham
- Applicant: Alan W. Lockstedt , Thomas W. Oldham
- Applicant Address: US TX Houston
- Assignee: Smith International, Inc.
- Current Assignee: Smith International, Inc.
- Current Assignee Address: US TX Houston
- Agency: Osha • Liang LLP
- Main IPC: E21B10/55
- IPC: E21B10/55
Abstract:
A drill bit that includes a steel bit body having at least one blade thereon, at least one cutter pocket disposed on the at least one blade; at least one cutter disposed in the at least one cutter pocket; at least one recess formed in at least a portion of the surface of the at least one cutter pocket, wherein the recess is adjacent a leading face of the at least one blade; and an erosion resistant material in the at least one recess is disclosed.
Public/Granted literature
- US20080053709A1 Diamond bit steel body cutter pocket protection Public/Granted day:2008-03-06
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