Hybrid modeling of CO2 sequestration processes using the lattice-Boltzmann method and PFLOTRAN
Abstract
Successful CO2 injection and sequestration requires fundamental understanding of many complex processes encountered in multiphase flow and reactive transport through porous media. Although these processes are inherently governed by microscopic interfacial phenomena, they must be described at much larger scales for many practical engineering applications. In this work we present a parallel hybrid modeling scheme that couples a lattice-Boltzmann (LB) simulator for porescale multiphase flow to PFLOTRAN for continuum (Darcy) scale multiphase flow and both continuum and porescale reactive transport. We discuss details regarding the LB method, PFLOTRAN, and the coupling of the two simulators. In addition, we present a number of simulations that validate and highlight both the porescale and hybrid modeling capabilities for applications involving CO2 sequestration.
- Publication:
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AGU Fall Meeting Abstracts
- Pub Date:
- December 2011
- Bibcode:
- 2011AGUFM.H51E1247P
- Keywords:
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- 1829 HYDROLOGY / Groundwater hydrology;
- 1832 HYDROLOGY / Groundwater transport;
- 1847 HYDROLOGY / Modeling;
- 1857 HYDROLOGY / Reservoirs