PO.MBE.Gas.ModPz Function

Description:

Calculates modified p/z for geopressured reservoirs, [psi]. Accounts for formation/water compressibility.

Excel Function Syntax:

=PO.MBE.Gas.ModPz(P, z, Pi, ce)

Parameters:

Parameter	Description
P	Current reservoir pressure, [psi].
z	Gas compressibility factor, [dimensionless].
Pi	Initial reservoir pressure, [psi].
ce	Effective compressibility, [1/psi].