
CrowdField Workflows Vault
Alan Mourgues
Full access to the CrowdField workflows library. Tools, scripts, and applications with ongoing updates and new releases.

Decline Curve Analysis
Alan Mourgues
Fit decline curves to production data and generate forecasts using Arps equations in Excel.

Monte Carlo Volumetrics
Alan Mourgues
Estimate in-place volumes using Monte Carlo simulation with transparent inputs and outputs directly in Excel.

PVT Correlations
Alan Mourgues
Calculate oil, gas, and water PVT properties using industry-standard correlations directly in Excel.

RFT / MDT Pressure Analysis
Alan Mourgues
Analyse RFT/MDT pressure data to estimate gradients, fit trends, and identify free fluid levels in Excel.

Critical Lift Rate
Alan Mourgues
Calculate critical lift rate (Qcr) in gas wells using Turner and Coleman correlations in Excel.

Gas Material Balance (P/Z)
Alan Mourgues
Perform gas material balance using P/Z analysis to estimate OGIP, EUR, and recovery factors in Excel.

Oil Rate Transient Analysis (RTA)
MAHMOUD Mahmoud
Performs rate transient analysis using Blasingame type curve matching to estimate reservoir and well parameters

Gas Flowing Material Balance (GFMB)
MAHMOUD Mahmoud
Estimates OGIP from flowing pressure and rate data under boundary-dominated flow conditions.

Oil Flowing Material Balance (FMB)
MAHMOUD Mahmoud
Estimates original oil in place from rate-normalized flowing pressure data using pseudo-steady state flow and depletion relationships.

Fluid Pressure Gradient from Fluid Properties
Alan Mourgues
Calculate pressure gradients (dP/dz) from fluid properties at reservoir conditions.

PVT Correlations for Malaysian Oils
Larry Wilcox
Generate region-specific PVT properties from Malaysian oil datasets using empirical correlations.

Relative Permeability Curves
Alan Mourgues
Generate and adjust relative permeability curves and export simulation-ready tables directly from Excel.

Build Engineering Apps in Excel (VBA)
Alan Mourgues
Design and implement Excel-based applications using VBA forms and custom interfaces.

PTA LogâLog Interpretation Catalog
Alan Mourgues
Reference logâlog derivative signatures for pressure transient analysis and interpretation.

Radial Pressure Profile (IARF)
Alan Mourgues
Compute and visualize radial pressure profiles for infinite-acting reservoirs using the diffusivity equation solution.

PVT Solver
Mohamed Bahaaeldin
Desktop application for calculating black oil, dry gas, and formation water PVT properties using multiple fluid correlations and best-fit model matching.

Oil Well IPRâVLP Performance Evaluation
MAHMOUD Mahmoud
Calculates IPR and VLP curves, operating point, and probabilistic well performance cases from reservoir, fluid, and tubing inputs.

Langmuir Isotherm Volumetrics (CSG/CBM)
Alan Mourgues
Estimate gas-in-place and recovery for CSG/CBM reservoirs from an interactive Langmuir isotherm chart.

Radial Flow LogâLog Response (Diffusivity Solution)
MAHMOUD Mahmoud
Compute logâlog pressure and derivative responses from radial diffusivity solutions using Laplace inversion.

Gas Well Inflow (Darcy Equation)
Alan Mourgues
Compute gas well inflow performance using Darcy-based relationships between rate, pressure, permeability, and skin.

Skin to WPIMULT Conversion
Alan Mourgues
Convert between skin factor and WPIMULT using Darcy and ECL inflow relationships.

PTA LogâLog Catalog (IFP/Bourdet)
Alan Mourgues
Reference logâlog derivative models for pressure transient analysis based on Bourdet methodology.