PO.DCA.Arps.D Function
Description:
Calculates instantaneous decline rate D(t) for Arps decline, [1/T]. D(t) = Di/(1+b×Di×t). Computed numerically.
Excel Function Syntax:
=PO.DCA.Arps.D(Qi, Di, b, time)
Parameters:
| Parameter | Description |
|---|---|
| Qi | Initial rate, [L3/T]. |
| Di | Initial nominal decline rate, [1/T]. |
| b | Hyperbolic exponent, [dimensionless]. |
| time | Time, [T]. |
Used in Blueprints
Decline Diagnostics Analysis
Diagnostic analysis for decline curve interpretation using derivative-based methods. These tools help identify flow regimes and validate decline model selection.