E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 10/46 (2006.01) B23B 51/00 (2006.01)
Patent
CA 2593951
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.
Smart & Biggar
Smith International Inc.
LandOfFree
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