Invention Grant
- Patent Title: Diamond impregnated bits using a novel cutting structure
- Patent Title (中): 使用新颖的切割结构的钻石浸渍钻头
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Application No.: US11779083Application Date: 2007-07-17
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Publication No.: US07866419B2Publication Date: 2011-01-11
- Inventor: Gregory T. Lockwood
- Applicant: Gregory T. Lockwood
- Applicant Address: US TX Houston
- Assignee: Smith International, Inc.
- Current Assignee: Smith International, Inc.
- Current Assignee Address: US TX Houston
- Main IPC: E21B10/36
- IPC: E21B10/36
Abstract:
An insert for a drill bit that includes a plurality of encapsulated particles dispersed in a first matrix material, where the encapsulated particles include a coarse particle encapsulated within a shell, and wherein the shell comprises abrasive particles dispersed in a second matrix material is disclosed.
Public/Granted literature
- US20080017421A1 DIAMOND IMPREGNATED BITS USING A NOVEL CUTTING STRUCTURE Public/Granted day:2008-01-24
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