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EUR Comparison Calculator
Compare Estimated Ultimate Recovery across multiple wells. Enter Arps decline parameters (qi, Di, b) and rank wells by EUR.
Forecast Parameters
Wells
Well Nameqi (bbl/day)Di (nominal, /yr)b factorEUR (Mbbl)
EUR Ranking
Production Forecast Comparison
How this works
Arps Decline: q(t) = qi / (1 + b*Di*t)^(1/b) for hyperbolic (0 < b < 1).
Exponential (b=0): q(t) = qi * exp(-Di*t).
Harmonic (b=1): q(t) = qi / (1 + Di*t).
EUR: Cumulative production from time 0 to economic limit or max forecast, whichever comes first.
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