PO.FRAC.PKN.Length.Leakoff Function

Description:

Perkins-Kern-Nordgren (PKN) fracture half-length with Carter leakoff, [ft].

Excel Function Syntax:

=PO.FRAC.PKN.Length.Leakoff(Q, h, C, t)

Parameters:

Parameter	Description
Q	Injection rate (one wing), [bbl/min].
h	Fracture height, [ft].
C	Carter leakoff coefficient, [ft/sqrt(min)].
t	Pumping time, [min].