Excel Function
NonDarcyCoefficient
Description:
Correlation for estimating non-Darcy coefficient, [d/mscf]
Excel Function Syntax:
NonDarcyCoefficient(Rw, h, h_perf, SGgas, Ug, K)
Online Calculator:
| Parameter | Value | Description |
|---|---|---|
| Rw | Wellbore radius, [ft] | |
| h | Reservoir height, [ft] | |
| h_perf | Perforated reservoir thickness, [ft] | |
| SGgas | Gas specific gravity (air=1.0) | |
| Ug | Gas viscosity, [cP] | |
| K | Near wellbore permeability, [md] | |
| Result |
Related Functions
3 items
GasFlowRatePSS
Gas well flow rate for pseudosteady state condition using Darcy flow approximation, [mscf/d]
GasFlowRatePSSNonDarcy
Gas well stabilized flow rate for pseudosteady state condition, with Non-Darcy flow equation, [mscf/d]
TimeToPSSGas
Time to stabilized flow in gas well, [h]