Excel Function
StretchedExponentialDeclineEUR
Description:
Estimated Ultimate Recovery (EUR) to an economic rate limit for Stretched Exponential decline, [L3].
Excel Function Syntax:
=StretchedExponentialDeclineEUR(Qi, tau, n, econRate)
Parameters:
| Parameter | Description |
|---|---|
| Qi | Initial rate, [L3/T]. |
| tau | Characteristic time parameter, [T]. |
| n | Exponent parameter, [dimensionless]. |
| econRate | Economic rate limit, [L3/T]. |
Usage Examples
Excel formula examples for StretchedExponentialDeclineEUR
| Formula | Result |
|---|---|
=StretchedExponentialDeclineEUR(800, 500, 0.5, 25)Calculate EUR to economic limit using stretched exponential decline | 688464 |
Related Theory
1 item
Stretched Exponential Production Decline (SEPD) Model
Decline Models
Related Functions
5 items
StretchedExponentialDeclineCumulative
Calculates cumulative production using Stretched Exponential decline model. Units of volume [L3] and time [T] must be consistent.
StretchedExponentialDeclineFitParameters
Fit Stretched Exponential decline to rate-time data and return parameters as a row array [Qi, Tau, N].
StretchedExponentialDeclineRate
Calculates production rate using Stretched Exponential decline model. Units of volume [L3] and time [T] must be consistent.
StretchedExponentialDeclineTime
Time to reach an economic rate limit for Stretched Exponential decline, [T].
StretchedExponentialDeclineWeightedFitParameters
Weighted fit of Stretched Exponential decline to rate-time data and return parameters as a row array [Qi, Tau, N].