Longyear Tm, Inc.

Erik M Gaugh

Michael D Rupp

Kristian S Drivdahl

Todd A Nevenner

Drew Mark Butler

Reamers for use in core-sample drilling include PDC inserts. Such reamers with PDC inserts may be used to maintain borehole diameters, reduce deviation, and/or stabilize drill strings used in core sample drilling. The PDC inserts may be of different sizes and shapes and may be arranged around the reamers in various ways.

Reamer with polycrystalline diamond compact inserts

A method for making drill bits includes sequentially moving a plurality of drill bits through a belt furnace, and moving the drill bits to a cooling station using an automated device after the drill bits have moved through the belt furnace. A continuous process for making core drill bits may also include placing a drill bit on a belt of a belt furnace, transporting the drill bit through the furnace using the belt, removing the drill bit from the belt using an automated process, and cooling the drill bit.

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Park City, UT, United States of America

Erik M Gaugh