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Comment connaitre q'un coincement des tiges se produits par pression différentielle et comment calculer l'intégralité des efforts exercés sur la partie ?collée

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Question added by habib hammami , مهندس أول مراقب , التونسية للتنقيب
Date Posted: 2016/01/16

1) Jamming rods while drilling is detected when we have circ. and no movment can be applied on this rods.

2) we can calculate the force required to free this jamming by calculating the differential pressure multipied by the rod conact area with the formation.

مهندس ياسر جمعه
by مهندس ياسر جمعه , مهندس عمليات بالموقع , الهيئه العامه المصريه للثروه المعدنيه

  1. Grande précision et stabilité de mesure dans toutes les conditions de process
  2. Temps de réponse rapide
  3. Convertisseur de mesure modulaire pour toutes applications

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