Table 1.

Global warming potential (GWP) of flaring, venting, and capturing 1 metric ton of natural gas over 20- and 100-year horizons

ActionDescriptionEmissionsGWP20GWP100
FlareBurning 1 metric ton of associated gas at the source produces 2.74 metric tons of carbon dioxide, as well as the equivalent amount elsewhere for consumption5.49tCO25.495.49
VentVenting 1 metric ton of associated gas at the source results in 1 metric ton of methane emissions, as well as 2.74 metric tons of carbon dioxide emissions elsewhere for consumption1tCH4 + 2.74tCO288.7436.74
CaptureUsing 1 metric ton of associated natural gas displaces approximately 1 metric ton that would otherwise have been needed to meet consumption demand2.74tCO22.742.74