The detailed framework provided by the stratigraphic simulation results provides a much improved framework in which to migrate fluids. The Hydrocarbon Migration algorithms in Basim simulate migration of oil, gas, and water as separate phases. Movement is driven by potentiometric gradients that are created by pressure buildup by ground water flow and compaction, and tilting of beds. Primary migration is driven through excess fluids and pressure driven expulsion. Secondary migration due to viscous forces and gravity segregation.
The model employs a finite difference solution within a Lagrangian grid.
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