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Pereira Research-Reservoir Modeling|School of Energy Resources

Pore-to-Core-to-Reservoir Modeling of Geologic Storage of Supercritical CO2 in Deep Fractured Saline Aquifers

Research Group

Mohammad Piri (PI), Felipe Pereira (Co-PI), Celestin Zemtsop and John Spitler (Research Scientists), Ahmad Jam (Graduate Student)

Funding

Clean Coal Technologies Research Program, School of Energy Resources, University of Wyoming

Project Cost

$2,815,834 (2011-2013)

Abstract

This is an interdisciplinary research project aiming at making accurate predictions about the storage of supercritical CO2 (scCO2) in naturally-fractured saline aquifers of the State of Wyoming. We propose to combine state-of-the-art high-resolution experiments, mathematical modeling, and high performance computing at different scales in world-class petascale computers to address predictive modeling of the injection of scCO2 in naturally-fractured saline aquifers. Our first goal is to use an existing dynamic fully parallel pore-level network model to perform pore network simulations at the core scale for unfractured and fractured porous systems using state-of-the-art techniques in network modeling. The model will use faithful representations of the rock structure and will allow us to bridge the gap between the pore and core scales. It will produce relative permeabilities, irreducible brine and trapped scCO2 saturations, and capillary pressures for any displacement sequence at the core scale in unfractured or fractured systems. This information will be the input for a new, high-performance, high-resolution numerical simulator that will allow us to scale-up from the core to the reservoir scale. The development of this simulator, for double porosity two-phase flow models, taking advantage of the existing high-performance UW-team simulator for single porosity systems is the second major objective of this proposal. The project will be directly linked to a large scale CO2 sequestration project underway in Wyoming that aims at storing massive quantities of scCO2 emitted from Wyoming's Coal power plants in the fractured formations of the Rock Springs Uplift (Southwest Wyoming).

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