jbug5806
jbug5806 jbug5806
  • 06-03-2019
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Why would oil drillers call the Hughes Rock Bit the "rock eater"?

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camdaman519 camdaman519
  • 07-03-2019

Hughes's two-cone rotary drill bit, nicknamed "rock eater", penetrated medium and hard rock with ten times the speed of any former bit

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