Material Balance
Material Balance
Rel Perms
Rel Perms
RFT
RFT
PVT
PVT
Pressure Profile
Pressure Profile
Diffusivity Equation
Diffusivity Equation
PTA
PTA
Well Testing
Well Testing
Databases
Databases
Notion
Notion
Power Query
Power Query
Automation
Automation
Prompting
Prompting
Templates
Templates
Data Visualization
Data Visualization
Images
Images
No-Code
No-Code
AI
AI
Eclipse
Eclipse
Numerical simulation
Numerical simulation
Numerical simulation
Numerical simulation
Eclipse
Eclipse
VBA
VBA
Python
Python
DCA
DCA
Production profiles
Production profiles
Type Curves
Type Curves
Production Engineering
Production Engineering
Reservoir Engineering
Reservoir Engineering
Excel
Excel

The Digital Store

Welcome to CrowdField's Digital Store, a marketplace where Oil & Gas and Energy skilled pros can monetize their knowledge by creating and selling digital products.

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👇

Productize yourself

That's right! In addition to selling your time through the freelance model at the core of our platform, you can now productize your skills and package them as sellable digital items.

From e-books, templates, how-to guides and online courses, to spreadsheets, automations, workflows, scripts, software applications, and data analytics tools, the possibilities are endless.

Start creating

As the store grows, we will become the go-to place for interested buyers to come when they need specific expertise in the Oil & Gas and Energy markets.

Get on board. Let your imagination and creativity run wild, and start creating!

Product catalog

Explore our product range or use the search bar to filter by author, title, discipline, skill, software, product type, etc.

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Alan's Lifetime Vault

Alan Mourgues
Bundle
Unlock lifetime access to an exclusive Resource Vault packed with over 20 years of industry expertise. Discover premium content in reservoir engineering, AI, coding, and more. One-time offer for tools, e-books, GPTs, and videos to future-proof your skills. Elevate your expertise today!
Product
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Excel DCA Tool

Alan Mourgues
Excel template
Video tutorial
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.
Product
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Excel RFT / MDT Tool

Alan Mourgues
Excel template
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.
Product
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Excel Add-In for Oil & Gas PVT Correlations

Alan Mourgues
Excel Add-In
Access McCain's summary with best industry-standard PVT correlations for oil, gas, and water directly in Excel with this custom VBA Add-in. Perform quick, reliable calculations in any workbook without switching software or needing to code—just use it like any other Excel formula and optimize your workflow.
Product
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Oil Flowing Material Balance (FMB)

MAHMOUD Mahmoud
Excel template
Excel Flowing Material Balance tool for reservoir engineers to estimate in-place hydrocarbon volumes without the need to shut in the well to record the static reservoir pressure.
Product
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Gas P/Z Material Balance

Alan Mourgues
Excel template
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.
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PVT Correlations for Malaysian Oils

Larry Wilcox
Excel template
Excel spreadsheet featuring methods and calculations from Larry Wilcox's groundbreaking study on Malaysian oils. This tool applies non-linear regression, non-parametric regression, and neural network modeling to predict region-specific PVT data, estimate oil composition, generate synthetic experiments, and create an EOS model that closely matches real lab results—within 3%! Perfect for engineers needing reliable PVT inputs when lab data is unavailable.
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Relative Permeability Curves: Instant Export from Excel to Simulation

Alan Mourgues
Excel template
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.
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Excel Data Model + Power Query: Visualization of Type Curves with Pivot Charts and Pivot Tables

Alan Mourgues
Video tutorial
Master Excel with our 7-part tutorial applied to Type Curves and production profiles: Create a Data Model, build pivot charts/tables, and update them interactively. Easily apply this workflow to any time series data set. Interactive, efficient, and clear.
Product
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AI-Powered Imaging for the Modern Oil & Gas and Energy Professional

Alan Mourgues
Email course
Embark on a 5-day email journey where AI meets Oil & Gas visuals. From revolutionary AI-powered imaging to hands-on tools, dive deep into the future of industry visuals. Break down big ideas with our jargon-free guide, exploring Dall-E, ChatGPT, and more. Discover AI imaging's transformative power in the energy sector, simplified for you.
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Build your own Apps with Excel forms and VBA

Alan Mourgues
Webinar
Excel template
Video tutorial
Often, Excel is all you need. By learning a couple of tricks, you can build your own apps on top of your regular Excel work and design user-friendly interfaces for a smoother experience.
Product
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PTA Log-Log Catalog - Notion Bundle

Alan Mourgues
Notion Template
Video tutorial
Elevate your PTA analysis with our Notion-based interactive Log-Log Catalog, perfect for quick derivative shape consultations. Includes a video tutorial and unlimited template access.
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IARF Interactive Excel Pressure Profile

Alan Mourgues
Excel template
Explore our interactive Excel file for radial flow diffusivity in infinite reservoirs with real-time parameter impact visualization. Includes a handy checkout page and video tutorial.
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Using Excel as a Pre-Processor to Generate an Eclipse-100 .DATA Deck for a Box Model

Alan Mourgues
Video tutorial
Dive into our 6-part tutorial to transform Excel into a UI for creating black-oil .DATA simulation decks. Using a gas/water example, learn to adapt for oil or CBM fields. Swiftly test key sensitivities without heavy software. VBA macros included; fully customizable.
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Intro to AI and No-Code tools for Oil and Gas Professionals

Alan Mourgues
Webinar
Unlock the potential of AI and NoCode tools in the Oil & Gas industry with our insightful webinar. Explore coding in Python, VBA, HTML, data analytics, image recognition, and more. Watch now to revolutionize your professional skills and stay ahead in the ever-evolving energy sector.
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Notion for Oil & Gas - Course & 5 Templates: Pre-Sale

Alan Mourgues
Bundle
Unlock the potential of Notion in the Oil & Gas industry with our exclusive course and five custom templates. Streamline your workflows, enhance data management, and boost productivity with tailored solutions.
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IFP Log-Log pdf for PTA

Alan Mourgues
PDF File
Discover the timeless 2022 resource by IFP and D. Bourdet on well test interpretation, featuring color-coded models with live links and a brief explanatory video. Simplify your analysis. Get it free!
Product
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Skin to WPIMULT

Alan Mourgues
Excel template
This simple Excel calculator uses both Darcy and ECL inflow definitions to derive final skin values for a range of initial skins and a range of WPIMULTs.
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Gas Darcy Inflow Calculator

Alan Mourgues
Excel template
Quickly estimate gas well production rates or explore reservoir properties with this Excel tool using the Darcy inflow equation. Adjust parameters in real-time and visualize flow rate, permeability, and skin relationships.
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Drawdown Log-Log in Excel

MAHMOUD Mahmoud
Excel template
This spreadsheet helps users solve the diffusivity equation in the Laplace domain and convert it to real-time using the Gaver-Shehfest algorithm. It’s a tool for understanding PTA interpretation, allowing manual adjustments of skin and kh to visualize their impact on log-log plots and study wellbore storage, skin effects, and IARF behavior.
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AI and No-Code for Oil & Gas and Energy

Alan Mourgues
Cohort
Dive into the future with CrowdField's course on AI & No-Code tailored for the Oil & Gas and Energy sectors. As I embarked on CrowdField's journey, the transformative power of these tools became evident. However, many professionals remain unaware of their potential. Therefore, I'm developing a course, enriched by real-world feedback. Join our exclusive cohort, influence the content, receive behind-the-scenes insights, and enjoy complete course access. The cohort is limited to 20 spots.
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If you already have a product that is ready to be brought to market, please contact us.

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We'll put a plan in place to bring your idea to life. We need to discuss IP, hosting, payments, and other details.

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