PO.FPP.Field.Prod
Description
Calculates cumulative field production at time t using buildup-plateau-decline model. Integrates rate over buildup, plateau, and decline phases. Supports exponential (b=0), hyperbolic (0<b<1), and harmonic (b=1) decline.
Syntax
=PO.FPP.Field.Prod(t_buildup, t_plateau, Q_plateau, Di, b, t)Parameters
| Parameter | Description |
|---|---|
| t_buildup | Time from first production to plateau, [T] |
| t_plateau | Duration of plateau period, [T] |
| Q_plateau | Plateau production rate, [L³/T] |
| Di | Initial decline rate after plateau, [1/T] |
| b | Arps b-factor: 0=exponential, 0-1=hyperbolic, 1=harmonic |
| t | Query time, [T] |