Most abandoned wells do not emit CH 4 , but 6.5% of wells had measurable CH 4 emissions. 25% percent of wells we visited that had not been plugged emitted>5g CH 4 hr -1 . Stable isotopes indicate that wells emit natural gas and/or coalbed CH 4. We estimate that abandoned wells ...
Numerical Simulation of CO2 Leakage through Abandoned Wells: Model for an Abandoned Site with Observed Gas Migration in Alberta, Canada. Energy Procedia 1: 3625-3632.PAWAR R J, WATSON T L, GABLE C W. Numerical simulation of CO2 leakage through abandoned wells: Model for an abandoned site ...