首页 >  Term: Overshot
Overshot

A fishing tool that is attached to tubing or drill pipe and lowered over the outside wall of pipe or sucker rods lost or stuck in the wellbore. A friction device in the overshot, usually either a basket or a spiral grapple, firmly grips the pipe, allowing the fish to be pulled from the hole.

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  • Harry8L
  • (London, United Kingdom)

  •  (V.I.P) 574128 分数
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