Hyperbolic Decline

TrueTexan

New Member
Joined
Aug 24, 2011
Messages
1
I would appreciate someone sharing their Hyperbolic Decline macro or equation.

Q=Qo/(1+Di*b*t)^(1/Di)

Where:
Q=production rate
Qo=initial production rate
Di=initial decline rate
b=decline rate
t=time

My issue is D change at each time step
Trendline doesn't have the Hyperbolic Decline option
 

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