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Throw the chain

To jump the spinning chain up from a box end tool joint so that the chain wraps around the pin end tool joint after it is stabbed into the box. The stand or joint of drill pipe is turned or spun by a pull on the spinning chain from the cathead on the drawworks.

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创建者

  • Harry8L
  • (London, United Kingdom)

  •  (V.I.P) 574128 分数
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