أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
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.