HR: 1340h
AN: H23G-1700    [Abstracts]
TI: Two-Phase Fluid Flow in a Porous Medium Under the Influence of an Oscillatory Body Force
AU: * Aursjoe, O
EM: olavau@fys.uio.no
AF: University of Oslo, Department of Physics, AMCS, Sem Sælandsvei 24, Oslo, 0371, Norway
AU: Flekkoy, E G
EM: e.g.flekkoy@fys.uio.no
AF: University of Oslo, Department of Physics, AMCS, Sem Sælandsvei 24, Oslo, 0371, Norway
AU: Jankov, M
EM: mihailo.jankov@fys.uio.no
AF: University of Oslo, Department of Physics, AMCS, Sem Sælandsvei 24, Oslo, 0371, Norway
AU: Maloy, K J
EM: k.j.maloy@fys.uio.no
AF: University of Oslo, Department of Physics, AMCS, Sem Sælandsvei 24, Oslo, 0371, Norway
AU: Lovoll, G
EM: grunde.lovoll@fys.uio.no
AF: University of Oslo, Department of Physics, AMCS, Sem Sælandsvei 24, Oslo, 0371, Norway
AU: Toussaint, R
EM: renaud.toussaint@eost.u-strasbg.fr
AF: Institut de Physique du Globe de Strasbourg, CNRS, Université Louis Pasteur, 5 rue Descartes, Strasbourg, 67084, France
AB: We study the effect of applying an oscillatory body force to a two-phase flow in a porous medium. This is done to get a better basic understanding of how seismic stimulation of an oil reservoir works. We study the behavior at pore scale. The system is both studied in simulations and experiments. The experiments are done in a quasi two-dimensional Hele-Shaw cell containing a porous medium made up of circular cylinders. The simulations are done using a Lattice Boltzmann algorithm which reproduce all the essential properties of a real fluid. Having the exact same porous medium in simulations and experiment makes it possible to do a closer comparison between the dynamics in simulation and experiment. By initially doing a two-dimensional simulation and directly comparing with the experiments allows us to see if this captures the governing behavior of the fluid flow in the system. This is an ongoing study, but preliminary results are in concurrence with our initial assumption that the invading fluid fills a larger fraction of pore space under the influence of an external oscillatory force than in an ordinary invasion process.
DE: 1835 Hydrogeophysics
DE: 1875 Vadose zone
SC: Hydrology [H]
MN: 2007 Fall Meeting