Definition(s)
Environmental Seal
Outermost pressure-containing seal at a connector interface.
NOTE This seal normally separates a pressurized medium from the surrounding environment.
Source: API Standard 2RD, Dynamic Risers for Floating Production Systems, Second Edition, September 2013. Global Standards
Source: API RP 17G, Recommended Practice for Completion/Workover Risers, Second Edition, July 2006 (Reaffirmed April 2011). Global Standards