Definition(s)
Pack-Off Or Stripper
A device with a rubber/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 64, Recommended Practice for Diverter Systems Equipment and Operations, Second Edition, November 2001 (March 1, 2007). Global Standards
Pack-Off Or Stripper
Device with elastomer packing element that depends on pressure below the packing to create a seal in the annulus. Used primarily to run or pull pipe at low or moderate pressure.
Source: IADC UBO / MPD Glossary, December 2011. Global Standards