Abstract
Summary A numerical front-tracking technique, based on a transformation of the governing equations into a moving coordinate system (MCS), is applied to a finite-element reservoir simulator. The method is especially suited for studies of tertiary oil-recovery pilots with chemical flooding and other miscible displacement processes. The new front-tracking technique is compared to conventional finite-element formulations with a uniform grid over the entire domain. Comparisons with other methods show that computer time can be greatly reduced with the same accuracy.
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