PO.DCA.Duong.EUR Function
Description:
Estimated Ultimate Recovery (EUR) to an economic rate limit for Duong decline, [L3].
Excel Function Syntax:
=PO.DCA.Duong.EUR(q1, Qinf, a, m, Q_econ)
Parameters:
| Parameter | Description |
|---|---|
| q1 | Theoretical rate at t=1, [L3/T]. |
| Qinf | Asymptotic late-time rate q_inf, [L3/T]. |
| a | Intercept constant a (dimension varies with m). |
| m | Slope parameter m, [dimensionless]. |
| Q_econ | Economic rate limit, [L3/T]. |
Used in Blueprints
Duong Decline Forecast
Decline curve forecast using the Duong model, specifically designed for unconventional reservoirs exhibiting transient linear flow. The Duong model captures the power-law behavior common in tight oil and shale gas wells.