
Excel DCA Tool
Alan Mourgues
With this Excel DCA Tool, users can fit a regression trend to historical production data using Arps' Equations and perform a production forecast based on the fitted trend... all within Excel, with no need for any third-party software.

Monte Carlo Volumetrics in Excel
Alan Mourgues
This Excel-based tool enables quick, transparent, and customizable volumetric assessments for oil reservoirs using Monte Carlo simulation—no complex software required.

Excel RFT / MDT Tool
Alan Mourgues
Use this Excel tool to set gradients based on reservoir fluid density, fit data with discretion, and determine fluid contacts accurately. Just paste your data and adjust with interactive sliders... no need to start from scratch each time.

Critical Lift Rate - Excel Calculator
Alan Mourgues
Calculate the critical lift rate (Qcr) in gas wells using Turner and Coleman correlations with this Excel tool. Includes a simple interface, built-in PVT correlations, and an interactive Qcr vs. pressure chart.

Relative Permeability Curves: Instant Export from Excel to Simulation
Alan Mourgues
Streamline your relative permeability (rel perm) table generation with this Excel tool. Adjust sliders to visualize impacts on endpoints and curve shapes, and export simulation-ready tables in one click—no need for complex pre-processing software.

Gas P/Z Material Balance
Alan Mourgues
Streamline material balance calculations for gas reservoirs with this Excel tool, featuring easy data input, automatic Z-factor calculation, interactive data fitting, and quick readouts for OGIP, EUR, and RF. Perfect for efficient P/Z straight-line analysis.

Langmuir Isotherm: CSG/CBM Volumetrics
Alan Mourgues
This Excel utility is designed for engineers working with coal seam gas (CSG) / coalbed methane (CBM) reservoirs who need a transparent, hands-on way to estimate volumetrics, understand sensitivities, and generate simulation-ready inputs.