The release of unburned gas through a vent or flare stack. Also called cold venting.
Source: IADC UBO / MPD Glossary, December 2011. Global Standards
Venting means the release of gas into the atmosphere without igniting it. This includes gas that is released underwater and bubbles to the atmosphere.
Source: Oil and Gas and Sulphur Operations in the Outer Continental Shelf, 30 CFR 250 (2013). Regulations