Excel Function
DuongDeclineFitParameters
Description:
Fit Duong decline to rate-time data and return parameters as a row array [a, m, q1, qInf].
Excel Function Syntax:
DuongDeclineFitParameters(timeValues, rateValues)
Online Calculator:
| Parameter | Value | Description |
|---|---|---|
| timeValues | Time samples (range or array). | |
| rateValues | Observed rates (range or array). | |
| Result |
Related Functions
5 items
DuongDeclineRate
Calculates rate using Duong decline model, [L3/T]. Units of volume [L3] and time [T] must be consistent.
DuongDeclineCumulative
Calculates cumulative production using Duong decline model, [L3]. Units of volume [L3] and time [T] must be consistent.
DuongDeclineTime
Time to reach an economic rate limit for Duong decline, [T]. Returns the time when the rate falls to the specified limit.
DuongDeclineEUR
Estimated Ultimate Recovery (EUR) to an economic rate limit for Duong decline, [L3].
DuongDeclineWeightedFitParameters
Weighted fit of Duong decline to rate-time data and return parameters as a row array [a, m, q1, qInf].