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Moving to annual time step may accumulate a substantial mistake if formation pressure has varied substantially in some years.
Scope of applicability
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The benefit of VEH approach is that net pay formation pressure history
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In modern computers the convolution is a fast fully-automated procedure and VEH model is considered as a reference in the range of analytical aquifer models.
Although the model is derived for linear and radial flow it also shows a good match for bottom-water drive depletions.
See Also
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Petroleum Industry / Upstream / Subsurface E&P Disciplines / Field Study & Modelling / Aquifer Drive / Aquifer Drive Models
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