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History
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Tricone rock bit
Tricone rock bit
PDC (Polycrystalline Diamond Cutter) Drill Bit
PDC (Polycrystalline Diamond Cutter) Drill Bit
Early rotary drill bits
Early rotary drill bits
Tricone bit for well drilling (medium worn-out)
Tricone bit for well drilling (medium worn-out)
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Hughes Sr. in 1917
Hughes Sr. in 1917
The Fishtail Bit. The drilling technology prior to the patent by Hughes.
The Fishtail Bit. The drilling technology prior to the patent by Hughes.
Hughes rotary bi-cone bit.
Hughes rotary bi-cone bit.
Howard Hughes Sr. Patent for an Oilfield Drill Bit (1908)
Howard Hughes Sr. Patent for an Oilfield Drill Bit (1908)