Transport in Porous Media

, Volume 32, Issue 2, pp 163–186 | Cite as

A Two-Dimensional Network Simulator for Two-Phase Flow in Porous Media

  • Eyvind Aker
  • Knut JØrgen MÅlØy
  • Alex Hansen
  • G.George Batrouni


We investigate a two-dimensional network simulator that model the dynamics of drainage dominated flow where film flow can be neglected. We present a new method for simulating the temporal evolution of the pressure due to capillary and viscous forces in the displacement process. To model the dynamics, we let the local capillary pressure change as if the menisci move in and out of hour-glass shaped tubes. Furthermore, a method has been developed to allow simultaneous flow of two liquids into one tube. The model is suitable to simulate different time dependencies in two-phase drainage displacements. In this paper, we simulate the temporal evolution of the fluid pressures and analyze the time dependence of the front between the two liquids. The front width was found to be consistent with a scaling relation w ∝ tβ h(t/ts). The dynamical exponent, β, describing the front width evolution as function of time, was estimated to β = 1.0. The results are compared to experimental data of Frette and co-workers.

network modeling immiscible drainage displacement two-phase flow capillary and viscous forces pressure simulations scaling exponents front width time dependences 


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Copyright information

© Kluwer Academic Publishers 1998

Authors and Affiliations

  • Eyvind Aker
    • 1
    • 2
  • Knut JØrgen MÅlØy
    • 1
  • Alex Hansen
    • 2
    • 3
  • G.George Batrouni
    • 4
  1. 1.Department of PhysicsUniversity of OsloOsloNorway
  2. 2.Department of PhysicsNorwegian University of Science and TechnologyTrondheimNorway
  3. 3.IKU Petroleum ResearchTrondheimNorway
  4. 4.Institut Non-Lin de NiceUniversit de Nice - Sophia AntipolisValbonneFrance

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