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Institut für Wasser- und Umweltsystemmodellierung - IWS



"Numerical Investigation of Temperature Effects during the Injection of Carbon Dioxide into Brine Aquifers"

The development of sophisticated numerical modeling capabilites for the simulation of carbon dioxide injection into geological formations is currently an intensive field of research. We have developed a non-isothermal two-phase two-component model concept which is capable of simulating the CO2 plume evolution, the solution of CO2 in water and the variation of the fluid properties depending on the thermodynamic conditions and the phase compositions. Since the model also accounts for the balance of thermal energy, we can investigate numerically the effects of temperature variations during injection scenarios. The effects are investigated by means of a principle parameter study and a complex reservoir scenario.