Description:

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

Excel Function Syntax:

HarmonicDeclineRate(Qi, Di, time)

Online Calculator:

Parameter Value Description
Qi Initial rate, [L3/T]
Di Initial decline rate, [1/T]
time Time, [T]
Result

All functions from Decline category

# Function Description
1 HyperbolicDeclineRate Arps hyperbolic production decline curve: rate vs time. Units of volume [L3] and time [T] must be consistent.
2 ExponentialDeclineRate ExponentialDeclineRate - Arps exponential production decline curve: rate vs time. Units of volume [L3] and time [T] must be consistent.
3 HarmonicDeclineRate HarmonicDeclineRate - Arps harmonic production decline curve: rate vs time. Units of volume [L3] and time [T] must be consistent.
4 HyperbolicDeclineCumulative HyperbolicDeclineCumulative - Arps hyperbolic production decline curve: cumulative production vs time. Units of volume [L3] and time [T] must be consistent.
5 ExponentialDeclineCumulative ExponentialDeclineCumulative - Arps exponential production decline curve: cumulative production vs time. Units of volume [L3] and time [T] must be consistent.
6 HarmonicDeclineCumulative HarmonicDeclineCumulative - Arps harmonic production decline curve: cumulative production vs time. Units of volume [L3] and time [T] must be consistent.
7 BasicFieldProfile Typical field production profile. Units of volume [L3] and time [T] must be consistent.
8 CombinedFieldProfile CombinedFieldProfile - Field production profile based on drilling schedule and typical well profile.
9 ModifiedHyperbolicDeclineRate Modified hyperbolic production decline curve: rate vs time. Units of volume [L3] and time [T] must be consistent.
10 ModifiedHyperbolicDeclineCumulative Modified hyperbolic production decline curve: cumulative production vs time. Units of volume [L3] and time [T] must be consistent.
11 PowerLawExponentialDeclineRate Power Law Exponential (PLE) Decline Rate-Time Relation. Units of volume [L3] and time [T] must be consistent.