Fixed-head bit with stabilizing features

Details Fixed-head bit with stabilizing features Fixed-head bit with stabilizing features

E - Fixed Constructions

21

B

E21B 10/08 (2006.01) B23B 51/00 (2006.01) E21B 10/42 (2006.01) E21B 10/46 (2006.01)

Patent

CA 2532762

A fixed-head drill bit includes a bit body having a plurality of cutting elements and at least one wear knuckle disposed on the bit body. Each cutting element includes a cutting surface defining a swept cutting profile when the bit is rotated about an axis. The at least one wear knuckle is positioned at least partially within and extending at least partially outside a selected one or more of the swept cutting profiles, allowing the fixed-head drill bit to wear into a more stable configuration.

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