Drill bit with improved steerability

Details Drill bit with improved steerability Drill bit with improved steerability

E - Fixed Constructions

21

B

255/68

E21B 10/46 (2006.01) E21B 7/06 (2006.01) E21B 17/10 (2006.01)

Patent

CA 1306245

DRILL BIT WITH IMPROVED STEERABILITY ABSTRACT A drill bit offering improved steerability. Drill bits include gage sections which are adapted to facilitate deflection of the bits within a borehole to facilitate navigational or directional drilling. The gage portions of the bit may be arranged in an arcuate path around a portion of the periphery of the bit. Also, the bit portions may be spaced and adapted to serve, at least in part, as fulcrums, to facilitate deflection of the bit and the bringing of gage cutting portions of the bit in contact with the sidewalls of the borehole.

588595

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