Abstract
Summary A 1D network model is used to describe capillary pressure and flow-fraction pressure behavior of dispersed phase systems (foams) in porous media. The presence of internal liquid lamellae between bubbles in displaced trains gives rise to significantly higher capillary and flow-fraction pressures compared to nondispersed phase systems (i.e., conventional gas/liquid systems, no surfactant). Low mobilities of foam systems are attributed to reductions in the mobilized gas fraction.
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