Abstract
Adequate quantitative models for studying immiscible displacement in porous media are presently not available. This is probably due ta the extreme complexity of the displacement phenomena, pore structure and lack of understanding of the basic mechanisms. As a consequence, the knowledge of multiphase flow in porous media hos remained incomplete and mostly empirical. In the present study, a model of random, interconnected pore channels is constructed ta representa pore matrix, and four regimes of flow phenomena are included in simulation by incorporating concepts from both fluid mechanics and surface chemistry. By simulatiog displacement tests on the model under varying conditions, several insights about displacement mechanisms are deduced. The shortcomings of this model are pointed out and the next important steps towards a more realistic modelling are indicated.
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