Multiphysics monitoring framework for CO₂ sequestration in carbonate reservoirs Available to Purchase

This study proposes a framework for monitoring CO2 sequestration in carbonate reservoirs, leveraging a multiphysics approach that integrates electromagnetic (EM) and gravity methods. The framework aims to gain valuable insights into the dynamic behavior of injected CO2 over monitoring period. The experimental setup combines static reservoir models with simulated dynamic saturation models to provide a realistic foundation for simulations. EM simulations, employing surface-to-surface and borehole-to-surface acquisition setups, demonstrate the sensitivity of the horizontal electric field to changes in reservoir CO2 saturation. This highlights the potential of EM techniques to track dynamic changes in CO2 distribution within carbonate reservoirs. Gravity simulations, incorporating three-axis vector surface gravity measurements and borehole vector gravity, demonstrate their effectiveness in capturing density variations over time. These gravity measurements complement insights obtained from EM techniques, providing valuable information on bulk CO2 movement within the reservoir.