Pack-Off

Definition(s)


Pack-Off (or Stripper)

A device with an elastomer packing element that depends on pressure below the packing to effect a seal in the annulus. Used primarily to run or pull pipe under low or moderate pressures. This device is not dependable for service under high differential pressures.

Source: API RP 59, Recommended Practice for Well Control Operations, Second Edition, May 2006. Global Standards