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🎥 Watch the full recording here: https://youtu.be/g4zevmJw7so

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📺 Webinar Replay… Now Available


In our latest session, Ali Azi (Welltest Nordisk) presented a rigorous methodology for quantifying uncertainty in Pressure Transient Analysis (PTA) results, moving beyond traditional rule-of-thumb error margins.


Building on a 2008 paper and subsequent work, the approach combines well test models, static data, and Monte Carlo simulation to provide case-specific confidence intervals for parameters such as k, kh, C, S, and ri.


You’ll see:

✅ Why rule-of-thumb error margins fall short in PTA

✅ How Monte Carlo methods deliver confidence intervals for key parameters

✅ The impact of uncertainty quantification on forecasts and recovery estimates

✅ A live demonstration of MonteCarloFlow, Welltest Nordisk’s implementation of the methodology


🎥 Watch the full recording here: https://youtu.be/g4zevmJw7so

Well Testing Analysis Uncertainties Online Calculation Software: Oil & Gas Wells (FUNDAMENTAL Pro Version)




WellTest Nordisk
Copyright © 2019


The following Software Suite MonteCarloFlow© is dedicated to perform with precision probabilistic calculations on all Well Testing Analysis results while assessing a broad range of outputs on it, including confidence intervals and statistic attributes. It is applicable to 
Oil Wells & Gas & Lean Gas Wells.

The Models are based on the Publication Sources: 
SPE 113888. Evaluation of Confidence Intervals 
in Well Test Interpretation Results. 
And its 20+ References: Link
Main Assumptions: Vertical Wells & No Partial Penetration.

P90 and P10 Values are calculated for Skin, Conductivity kh, permeability k, Radius of investigation ri or d the distance to a Fault, and C the Wellbore storage.

An analogue and faithful Version is described in this video: