PO.IPR.VW.PSS.Time Function

Description:

Calculates time to reach pseudosteady state for oil well with regular-shaped drainage area, [h].

Excel Function Syntax:

=PO.IPR.VW.PSS.Time(Re, K, Ul, porosity, Ct)

Parameters:

Parameter	Description
Re	Drainage radius, [ft].
K	Permeability, [mD].
Ul	Liquid viscosity, [cP].
porosity	Porosity, [fraction].
Ct	Total compressibility, [1/psi].