Excel Function
ProdIndexHorWellGRJ
Description:
Calculates horizontal well productivity index using Giger-Reiss-Jourdan method for well in an anisotropic reservoir, [STB/(d.psi)].
Excel Function Syntax:
=ProdIndexHorWellGRJ(L, Rw, Re, h, Kz, Kxy, Bl, Ul)
Parameters:
| Parameter | Description |
|---|---|
| L | Length of the horizontal part of the well, [ft]. |
| Rw | Wellbore radius, [ft]. |
| Re | Drainage radius of the horizontal well, [ft]. |
| h | Reservoir height, [ft]. |
| Kz | Vertical permeability, [mD]. |
| Kxy | Horizontal permeability, [mD]. |
| Bl | Liquid formation volume factor, [bbl/STB]. |
| Ul | Liquid viscosity, [cP]. |
Related Theory
2 items
Horizontal Well Productivity
Well Performance
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)].
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)].
ProdIndexSS
Calculates steady state productivity index for vertical well, [STB/(d.psi)].