Excel Function
ProdIndexTF
Description:
Transient state productivity index for vertical well, [STB/(d.psi)]
Excel Function Syntax:
ProdIndexTF(time, K, h, Bl, Ul, porosity, Ct, Rw, S)
Online Calculator:
| Parameter | Value | Description |
|---|---|---|
| time | Time, [h] | |
| K | Permeability, [mD] | |
| h | Reservoir height, [ft] | |
| Bl | Liquid formation volume factor, [bbl/STB]. | |
| Ul | Liquid viscosity, [cP] | |
| porosity | Porosity, [fraction] | |
| Ct | Total compressibility, [1/psi] | |
| Rw | Wellbore radius, [ft] | |
| S | Skin factor, [dimensionless] | |
| Result |
Related Functions
2 items
FlowRateTF
Transient-state production flow rate, [STB/d]
FlowRateTFVogel
Vogel inflow performance for transient-state flow, [STB/d]