Current Projects:
- Carbon Storage
-
Frac-hits
Modeling and Applications
- CO2 Sequestration Modeling
- Long term storage evaluation in saline aquifers
- Geochemical and physical (hysteretic capillarity and relative permeability) trapping
- Case studies: CO2 injection into Cranfield and Bravo Dome fields
- Enhanced Oil Recovery Modeling
- Chemical enhanced oil recovery: alkali, surfactant, polymer
- Gas flooding: CO2, N2 + flue gases
- Foam flooding
- Phase behavior models: chemical and gas flooding
- Field scale studies using parallel simulations
- Fractured Reservoir Modeling
- Phase-field modeling for hydraulic fracture propagation
- Coupled flow and geomechanics modeling for fractured reservoirs
- Integrated toolset for fractured reservoir management
- Melt Migration
- Multiphase Darcy-Stokes flow
- Robust numerical algorithms
Discretization and Error Estimation
- Eulerian-Lagrangian schemes for transport and fluid-structure interaction
- Discontinuous Galerkin method for two phase flow with capillary pressure
- Mimetic finite difference method on polyhedral elements
- Multipoint flux method on distorted hexahedra, including full tensor permeability, iteratively coupled poroelasticity, and equation of state compositional flow
- Robust a posteriori error estimation with multiphase flow using temporal, nonlinear, linear, and spatial error indicators
- Representation of non-planar fractures and interfaces
- Enhanced velocity method with nonmatching hexahedral grids
- Convergence and stability analysis of iterative flow and geomechanics coupling algorithms
Optimization, Data Assimilation, and Uncertainty Quantification
- Multidimensional scaling, clustering, model selection, and parameterization
- Stochastic collocation and Monte Carlo methods
- Bayesian model comparison and model averaging
- Production optimization and control
- Reservoir history matching with parameter estimation using parallel ensemble-based workflow
- Integration of time-lapse (4D) seismic and geomechanical data into reservoir models
Solvers and High Performance Computing
- Multiscale, multiphysics, and multinumerics coupling (flow, mechanics, energy balance, and chemistry)
- Domain decomposition and mortar method
- Multilevel, multigrid, and other specialized preconditioners
- Unconstrained optimization algorithms for nonlinear flow solvers