The IADC Lexicon is an oil and gas dictionary of upstream-related terms, which, unlike conventional glossaries, are official definitions drawn from legislation, regulation and regulatory guidance, standards (global, national and regional), IADC guidelines, and Well Control Institute. Terms often have multiple definitions from different sources.
This month’s featured term is:
Pack Off or Stripper Preventer
Preventer having an element or packing material that relies on pressure from the wellbore for closure. Used primarily to strip pipe through the hole or allow pipe movement with pressure on the annulus.
Source: IADC UBO / MPD Glossary, December 2011. Global Standards
