Ephangeli Subsurface Consulting
What we are about
After 24 years with Shell and over 30 years in the energy industry, Stephan is now available to support your subsurface characterization and derisking needs. We offer support that can be customized to your needs and scaled to the opportunity size.
Stephan offers extensive hands-on expertise with:
Rock Physics & Petrophysics
Quantitative Seismic Interpretation
Reservoir Characterization
Interdisciplinary Multi-Scale Subsurface Integration
Business Development Support:
Would you like to connect to Stephan’s large professional network to explore collaboration opportunities?
Project Support:
Do you need data room support when evaluating an subsurface opportunity? Are the presented data consistent and supportive of the value proposition?
Would you like to assess how to efficiently include rock properties in your subsurface derisking project and have support during project framing?
Do you need to evaluate how QI rock properties are tied to regional geology and integrates all available data?
Teaching, Coaching, and Mentoring:
Do you need to raise your team's skill levels in integrated reservoir characterization? Stephan teaches QI Petrophysics and Rock Physics – the course scope can range from a short seminar up to a multi-day, in-depth class with hands-on exercises
Are you interested in peer assists for work your team is executing, in coaching or mentoring of your staff or students?


Over the years, Stephan teaching QI Petrophysics around the Shell world – thanks to Rob Vines, Sze-Fong Kho, Ritu Sarker, Ronny Hofmann, Mario Gutierrez, and many other Shell colleagues for their wonderful support!
Feel free to contact Stephan to discuss possible collaboration opportunities!
Here you can learn a bit more about Stephan’s Project Experience and the unique approach we follow with our QI Rock Property Estimation Workflow. We are in the process of setting up partner Collaborations.

