PO.FRAC.PKN.Length.Leakoff
Description
Perkins-Kern-Nordgren (PKN) fracture half-length with Carter leakoff, [ft].
Syntax
=PO.FRAC.PKN.Length.Leakoff(Q, Ul, h, G, nu, C, t)Parameters
| Parameter | Description |
|---|---|
| Q | Injection rate (one wing), [bbl/min]. |
| Ul | Fluid viscosity, [cP]. |
| h | Fracture height, [ft]. |
| G | Shear modulus, [psi]. |
| nu | Poisson's ratio, {1}. |
| C | Carter leakoff coefficient, [ft/sqrt(min)]. |
| t | Pumping time, [min]. |