ModifiedHyperbolicDeclineCumulative

Description

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

Excel Function Syntax

ModifiedHyperbolicDeclineCumulative(Qi, Di, Dlim, b, time)

Online Calculator

Parameter Value Description
Qi Initial rate, [L3/T]
Di Initial decline rate, [1/T]
Dlim Decline rate limit when switch to exponential decline occurs, [1/T]
b Degree of the line curvature, [dimensionless]
time Time, [T]
Result