Prediction of fluid topology and relative permeability in imbibition in sandstone rock by direct numerical simulation

•Fully coupled visco-capillary simulation, using a free-energy based lattice Boltzmann approach, correctly predicts fluid connectivity in imbibition.•The results highlight the close connection between relative permeability and fluid topology and suggest that topological measures are much more meanin...

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Veröffentlicht in:	Advances in water resources 2018-12, Vol.122, p.49-59
Hauptverfasser:	Alpak, F.O., Berg, S., Zacharoudiou, I.
Format:	Artikel
Sprache:	eng
Schlagworte:	Boundary conditions Computer simulation Data processing Digital rock Direct numerical simulation Flooding Flow simulation Flow velocity Fluid mechanics Fluid topology Free energy Free-energy based lattice Boltzmann method Hydrologic data Imbibition Mathematical models Membrane permeability Modelling Multiphase flow Numerical simulations Percolation Permeability Pore-scale models Porous media Predictions Properties Relative permeability Sandstone Sedimentary rocks Simulation Tomography Topology
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