Table 1.

A summary of published CO2 storage site selection criteria

FeatureCriteria/RequirementSource
CO2 propertiesCO2 stateDense phaseChadwick et al. (2008)
Reservoir propertiesStructureNo faults, or small faults. Low faulting frequencyChadwick et al. (2008), IEA-GHG (2009), Smith et al. (2011)
Multilayered systemIEA-GHG (2009)
Depth (m)Between 800 and 2500 mChadwick et al. (2008), IEA-GHG (2009), Smith et al. (2011)
800 m minimum depthIEA-GHG (2009)
Temperature>35°CIEA-GHG (2009)
Pressure (MPa)>7.5IEA-GHG (2009)
Cap-rock propertyThickness (m)Between 10 and 100 mChadwick et al. (2008), IEA-GHG (2009), Smith et al. (2011)
ContinuityUniformChadwick et al. (2008)
(laterally) ExtensiveIEA-GHG (2009)
  • These criteria are recommended to minimize the risks of CO2 leakage. Adapted from Miocic et al. (2016).