Excel Function
PowerLawExponentialDeclineWeightedFitParameters
Description:
Weighted fit of Power Law Exponential (PLE) decline to rate-time data and return parameters as a row array [Qi_intercept, Di_intercept, D_inf, n].
Excel Function Syntax:
PowerLawExponentialDeclineWeightedFitParameters(timeValues, rateValues, weightsValues)
Online Calculator:
| Parameter | Value | Description |
|---|---|---|
| timeValues | Time samples (range or array). | |
| rateValues | Observed rates (range or array). | |
| weightsValues | Per-sample weights (range or array), same length as inputs. | |
| Result |
Related Functions
5 items
PowerLawExponentialDeclineRate
Calculates production rate using Power Law Exponential (PLE) rate decline model. Units of volume [L3] and time [T] must be consistent.
PowerLawExponentialDeclineCumulative
Calculates cumulative production using Power Law Exponential (PLE) rate decline model. Units of volume [L3] and time [T] must be consistent.
PowerLawExponentialDeclineTime
Time to reach an economic rate limit for Power Law Exponential (PLE) decline, [T]. Returns the time when the production rate falls to the specified economic limit.
PowerLawExponentialDeclineEUR
Estimated Ultimate Recovery (EUR) to an economic rate limit for Power Law Exponential (PLE) decline, [L3]. Returns cumulative production up to the time the rate reaches the economic limit.
PowerLawExponentialDeclineFitParameters
Fit Power Law Exponential (PLE) decline to rate-time data and return parameters as a row array [Qi_intercept, Di_intercept, D_inf, n].