PO.FRAC.PKN.Length.NoLoss Function
Description:
Perkins-Kern-Nordgren (PKN) fracture half-length without fluid loss, [ft].
Excel Function Syntax:
=PO.FRAC.PKN.Length.NoLoss(Q, Ul, h, G, nu, 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, [dimensionless]. |
| t | Pumping time, [min]. |
Used in Blueprints
PKN Fracture Geometry Analysis
Calculate PKN (Perkins-Kern-Nordgren) fracture geometry for vertically confined fractures.