On a method of automatic generation of directional pseudofunctions for field-scale reservoir simulation. (2). Details of the technique of combinating VE with frontal advance theory, and general discussion on pseudofunctions.
1989
In the preceding paper21), the author presented a new method of generariog directional pseudofunctions automatically by the simulator itself. The method combines the vertical equilibrium concept with the Buckley-Levrett's Fronal Advance Theory. In this paper, additional details of the method which generates the FAP (Frontal Advance Profile) pseudofunctions are described in conjunction with B-L theory. Results of 1-D and 2-D test runs are presented to show that the water-cut performances and profiles of water front obtained by coares-grid models using FAP pseudofunctions are almost identical with those obtained by fine-grid models using rock saturation functions. General discussion on numerical dispersion and pseudo-generation methods are also made focused on field-scale reservoir simulation using a coarse-grid system.
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