CO2 EOR CO2 enhanced oil recovery 1 CO2 foam 1 CO2 storage 1 Carbon dioxide 1 Differential pressures 1 Digital storage 1 Enhanced recovery 1 Enhanced-oil recoveries 1 Foam generation 1 Gas cycle 1 Oil well flooding 1 Petroleum reservoir evaluation 1 Petroleum reservoirs 1 Pilot monitoring 1 Pilot studies 1 Pressure data 1 Pressure measurement 1 Surface active agents 1 Transient analysis 1 pilot monitoring 1 pressure measurements 1 transient analysis 1