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  • The most sophisticated economics & reserves analysis system in the world
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The Modern Platform for Reserves & Economics

PHDwin empowers engineers, analysts, and auditors with faster workflows, smarter data management, and seamless collaboration.

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Explore Features
Our Services
  • PSC/PSA Modeling
  • Database Conversions
  • Custom Reports
  • Implementation Consulting
Our Services
  • PSC/PSA Modeling
  • Database Conversions
  • Custom Reports
  • Implementation Consulting
  • Step into PHDwin 3

Solve the Problems That Slow Down Every Engineering Team

What Makes PHDwin Different? Speed, Accuracy, and Control.

Stop Waiting on Your Software
  • Microsoft SQL Server backend for enterprise reliability
  • Unlimited database size for massive datasets
  • Run calculations while teammates work in parallel
  • Automatic case dependency resolution — no more broken links
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Trust Every Number You Present
  • Centralized data dictionaries and QC checks
  • Multi-user collaboration with version control
  • Admin permissions and audit logs (coming soon)
  • Enforce company standards at the database level
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Collaboration Without Compromise
  • Multi-user editing and versioning without file corruption
  • Real-time recalculations across shared databases
  • Secure SQL backend means no overwrites, no lost work
See how teams work in sync
Automated Accuracy
  • Built-in data controls and case dependency checks
  • Smart error detection for missing or conflicting assumptions
  • Reproducible results every time you hit ‘Run’
See how we protect data integrity
Decision-Quality Economics
  • Outputs built for audit review, not spreadsheets
  • Transparent assumptions and sensitivity visualizations
  • PHDwin V3 enables bankers and boards to trust your numbers
Build confidence in every reserves report
Trusted by the Industry
  • Used by the world’s top reserves consultants and operators
  • Compatible with major audit workflows (Ryder Scott, D&M, Haas & Cobb, etc.)
  • Built on standards trusted by banks and regulators
Meet the teams who rely on PHDwin
Built for What’s Next
  • Continuous updates and live roadmap development
  • Modern integrations with WellDatabase, Energy Domain, and Tableau
  • PI-ready architecture for future automation and AI applications
See what’s coming next
Integration Without Headaches
  • Seamless imports from ARIES, Excel, OGRE, and Mosaic
  • Direct exports to Spotfire, Tableau, and Power BI
  • Azure-ready for enterprise deployments
Explore our ecosystem
World-Class Support
  • Fast, U.S.-based engineering support team
  • Industry-leading client satisfaction scores
  • Personalized onboarding and training for your workflow
Meet our support engineers
Enterprise Ready
  • Role-based permissions and admin controls
  • Secure SQL authentication and network deployment
  • Scales from 1 engineer to global teams
See enterprise capabilities
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The Future of Reserves Management Begins Here

The future of reserves and economics isn’t just faster; it’s smarter.

PHDwin V3 redefines how engineers, analysts, and decision-makers collaborate. Built on decades of expertise, it brings unmatched speed, transparency, and flexibility to every stage of reserves evaluation.

Whether you’re optimizing assets or auditing assumptions, PHDwin helps you move from reactive reporting to proactive strategy.

Explore What’s New in V3
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Built on Trust. Proven by Engineers.

For more than three decades, engineers and consultants have trusted PHDwin to define the economics behind their decisions.

Our mission has always been the same — deliver the precision engineers demand and the reliability financial teams expect.

With PHDwin V3, that foundation only gets stronger — modernized for today’s data-driven world, yet grounded in the same discipline that’s guided thousands of evaluations worldwide.

Why Teams Trust PHDwin
It’s the software our auditors trust, and our engineers love to use.
Senior Reserves Engineer
Permian Basin Operator
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Explore the PHDwin Ecosystem

One connected suite of tools, training, and support for modern reserves professionals. 

Get installers, updates, & release notes.

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Workshops, masterclasses, and PHDwin certification.

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Access documentation and get expert help.

Get Support

Automation scripts, API docs, and integrations.

Explore Docs

Guides, templates, and best-practice libraries.

See Resources

Expert walkthroughs & feature deep dives

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  • partner Success

See how PHDwin helps evaluate reserves.

PHDwin V3 has been highly anticipated in the oil and gas world for good reason. No other software platform delivers unparalleled calculation speeds, virtually limitless database size1, practical engineering tools, and sophisticated economic calculations all packaged inside a highly customizable user interface. With PHDwin V3 you’ll achieve better reserves through better economics.

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Try PHDwin Now! 14 Day Free Trial Available

No credit card required. Secure installer. Windows-compatible. Trusted by energy professionals in 40+ countries.

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