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Drill bit

The cutting or boring element used in drilling oil and gas wells. Most bits used in rotary drilling are roller-cone bits. The bit consists of the cutting elements and the circulating element. The circulating element permits the passage of drilling fluid and utilises the hydraulic force of the fluid stream to improve drilling rates.

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  • Harry8L
  • (London, United Kingdom)

  •  (V.I.P) 574128 分数
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