Excel Function

# PowerLawExponentialDeclineRate

Description:

Power Law Exponential (PLE) Decline Rate-Time Relation. Units of volume [L3] and time [T] must be consistent.

Excel Function Syntax:

PowerLawExponentialDeclineRate(Qi_intercept, Di_intercept, D_inf, n, time)

Online Calculator:

Parameter Value Description
Qi_intercept Rate "intercept", [L3/T]
Di_intercept Decline constant defined by equation D1/n, where D1 is Decline constant at 1 time unit, [1/T]
D_inf Decline constant at "infinite time", [1/T]
n Time "exponent", [dimensionless]
time Time, [T]
Result

8 items

## ExponentialDeclineRate

Arps exponential production decline curve: rate vs time. Units of volume [L3] and time [T] must be consistent.

## ExponentialDeclineCumulative

Arps exponential production decline curve: cumulative production vs time. Units of volume [L3] and time [T] must be consistent.

## HarmonicDeclineRate

Arps harmonic production decline curve: rate vs time. Units of volume [L3] and time [T] must be consistent.

## HarmonicDeclineCumulative

Arps harmonic production decline curve: cumulative production vs time. Units of volume [L3] and time [T] must be consistent.

## HyperbolicDeclineRate

Arps hyperbolic production decline curve: rate vs time. Units of volume [L3] and time [T] must be consistent.

## HyperbolicDeclineCumulative

Arps hyperbolic production decline curve: cumulative production vs time. Units of volume [L3] and time [T] must be consistent.

## ModifiedHyperbolicDeclineRate

Modified hyperbolic production decline curve: rate vs time. Units of volume [L3] and time [T] must be consistent.

## ModifiedHyperbolicDeclineCumulative

Modified hyperbolic production decline curve: cumulative production vs time. Units of volume [L3] and time [T] must be consistent.

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