Rotary drill bit

Details Rotary drill bit Rotary drill bit

E - Fixed Constructions

21

B

E21B 10/46 (2006.01) E21B 10/567 (2006.01) E21B 12/04 (2006.01) E21B 10/54 (2006.01)

Patent

CA 2675194

A drill bit comprises a bit body including a gauge region of discontinuous form, a wear reducing arrangement applied to at least part of the gauge region, and a guard arrangement protecting at least part of a leading edge of the wear reducing arrangement, the guard arrangement comprising an element of tungsten carbide secured to the gauge region.

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