PO.MBE.Aq.VEH.U Function
Description:
Calculates aquifer constant for VEH model, [bbl/psi]. U = 1.119 * phi * ct * h * rr^2 * (theta/360).
Excel Function Syntax:
=PO.MBE.Aq.VEH.U(porosity, ct, h, rr, theta)
Parameters:
| Parameter | Description |
|---|---|
| porosity | Porosity, [fraction]. |
| ct | Total compressibility, [1/psi]. |
| h | Reservoir thickness, [ft]. |
| rr | Reservoir radius, [ft]. |
| theta | Encroachment angle, [degrees]. |
Used in Blueprints
Van Everdingen-Hurst Aquifer Model
Calculate water influx using the Van Everdingen-Hurst (VEH) transient aquifer model. This rigorous method handles both infinite and finite aquifers with time-dependent pressure response.