Abstract
This paper summarizes the development of a new numerical simulator for environmental impact assessment of CO2 geological storage and the results of case studies. The simulator is developed by coupling the multiphase fluid flow simulator TOUGH2 and an open-source FEM code FrontISTR. Case studies for In Salah CO2 storage project are conducted to assess the validity of the developed simulator. Then, sensitivity analyses for physical parameters corresponding to pore space and rock rigidity are conducted. Results are consistent with measured data and suggest the validity of the simulator.
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