IMPREGNATED DRILL BIT WITH DIAMOND PINS

A method of manufacturing a drill bit and several embodiments of a drill bit for drilling a well in an earth formation. In one embodiment, the drill bit comprises a diamond impregnated bit body with one or more thermally stable pins embedded therein. More specifically, the drill bit may include a di...

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Bibliographic Details
Main Author STAUFFER BRUCE
Format Patent
LanguageEnglish
Published 22.07.2010
Subjects
EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
FIXED CONSTRUCTIONS
GRINDING
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
PERFORMING OPERATIONS
POLISHING
TOOLS FOR GRINDING, BUFFING, OR SHARPENING
TRANSPORTING
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Summary:A method of manufacturing a drill bit and several embodiments of a drill bit for drilling a well in an earth formation. In one embodiment, the drill bit comprises a diamond impregnated bit body with one or more thermally stable pins embedded therein. More specifically, the drill bit may include a diamond impregnated bit body having a plurality of blades, with one or more of the blades having a cone section, a nose section, a shoulder section, and a gage section; a plurality of diamond impregnated cutters extending from the blades; and one or more thermally stable polycrystalline diamond pins embedded within, and possibly extending from, at least some of the cutters. In some embodiments, each cutter includes an embedded pin. Alternatively, the pin or pins may be located in the cone, shoulder, nose, and/or gauge sections.
Bibliography:Application Number: US20090355258