Accueil >  Term: Saver sub
Saver sub

An expendable substitute device made up in the drill stem to absorb much of the wear between the frequently broken joints (such as between the kelly or top drive and the drill pipe).

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Créateur

  • Harry8L
  • (London, United Kingdom)

  •  (V.I.P) 574128 points
  • 100% positive feedback
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