Efficiency of CO2 Foam Mobility Control with Heterogeneous Reservoir Properties
Chapter, Peer reviewed, Conference object
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We investigate how reservoir heterogeneity affects the efficiency of CO2 mobility control in saline aquifer storage. An ensemble of reservoir models is set up for simulation of CO2 injection with a quarter-five-spot well pattern where CO2 is injected, and brine is produced for pressure control at opposite corners. Results with and without mobility control are compared. Additionally, results are generated for a modified foam model where the mobility reduction factor scales with reservoir permeability. An empirical foam model with partitioning of surfactant between the CO2 and brine phases is used.