Excel Function
ProdIndexSS
Description:
Calculates steady state productivity index for vertical well, [STB/(d.psi)].
Excel Function Syntax:
=ProdIndexSS(K, h, Bl, Ul, Re, Rw, S)
Parameters:
| Parameter | Description |
|---|---|
| K | Permeability, [mD]. |
| h | Reservoir height, [ft]. |
| Bl | Formation volume factor, [bbl/STB]. |
| Ul | Liquid viscosity, [cP]. |
| Re | Drainage radius, [ft]. |
| Rw | Wellbore radius, [ft]. |
| S | Skin factor, [dimensionless]. |
Usage Examples
Excel formula examples for ProdIndexSS
| Formula | Result |
|---|---|
=ProdIndexSS(50, 40, 1.25, 2, 1500, 0.354, 3)Calculate steady state PI for vertical well | 0.5 |
Related Theory
1 item
Well Productivity Index
Well Performance
Related Functions
6 items
FlowRateSS
Calculates steady state production flow rate, [STB/d].
FlowRateSSVogel
Calculates Vogel inflow performance for steady state flow, [STB/d].
ProdIndexHorWellBorisov
Calculates horizontal well productivity index using Borisov method for well in an isotropic reservoir, [STB/(d.psi)].
ProdIndexHorWellGRJ
Calculates horizontal well productivity index using Giger-Reiss-Jourdan method for well in an anisotropic reservoir, [STB/(d.psi)].
ProdIndexHorWellJoshi
Calculates horizontal well productivity index using Joshi method for well in an anisotropic reservoir, [STB/(d.psi)].
ProdIndexHorWellRD
Calculates horizontal well productivity index using Renard-Dupuy method for well in an anisotropic reservoir, [STB/(d.psi)].