Publications
Improved discretisation and dynamic modelling of CO2 solubility during injection and subsequent convective dispersion
10th June 2014
Topic(s): Carbon capture use and storage (CCUS), CO2 storage
Based on the Precipice sandstone of the Surat Basin, this CSIRO study looks at some of the errors generated in the numerical simulation of CO2 migration and dissolution that are caused by the necessity of using large grid blocks in the simulation of field size projects. In the injection stage of a simulation, large grid blocks will cause an overestimation of the amount of CO2 that will dissolve in the formation brine.
The study addresses some of the shortcomings in the scientific literature regarding the effects of coarse grids on the convective mixing process and proposes a scheme for correcting the observed error in the convection enhanced dissolution by using grid corrected fluid or reservoir properties.
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