Lio Ribeiro

Growth Team Lead

[email protected]

Lio Ribeiro leads growth at ResFrac, expanding the company’s software and services into new markets and customer segments.

He joined ResFrac from the operator side, where he was responsible for selecting, developing, and successfully deploying new technologies in the field.

Lio spent 13 years at Equinor across completions design and operations, production operations, asset planning, reservoir engineering, and emerging technologies. He also built and scaled Equinor’s Carbon Removal Incubator from the ground up. His work there spanned multiple new technologies, including CO2 fracturing, re-fracturing, digital flare mitigation, direct air capture, and direct ocean capture. These first-of-a-kind projects all demanded deep technical expertise, operational grounding, and commercial judgment in equal measure.

Lio earned a PhD and an MS in Petroleum and Geosystems Engineering from The University of Texas at Austin, where his dissertation focused on hydraulic fracturing simulation. He also holds a BS and MS from École des Mines in France.

He lives in Austin, where in his free time he enjoys competitive soccer, live music, restaurants, and travel.

Lio's posts

Abstract illustration with multiple outlined maps over a green-to-yellow gradient and light beams.

The influence of well configuration on water loss in Enhanced Geothermal Systems

Recently, ‘water loss’ has been a hot topic of discussion for EGS. Fervo reported that they have been producing only 70% of the fluid volumes that they have been injecting at their Project Red. The FORGE project reported a roughly 10% water loss rate. Because projects will have finite water rights, these results have led to concern that growth of EGS will be limited by excessive water consumption. This is a valid concern, and water availability is a legitimate factor in site-selection and project engineering. However, I believe that the problem has been overstated.

Large conference room with a speaker presenting a slide deck to an audience seated around circular tables.

2026 ResFrac Annual Symposium Recap

On June 25, 2026, we got the ResFrac community together both in-person at the ExxonMobil campus in Spring, Texas, and virtually around the globe for our Annual Symposium. With our community growing as fast as it is, the energy in the room was absolutely buzzing. We had a jam-packed day of operator case studies, deep-dive technical sessions, and some incredible geomechanical insights from industry legends.

ResApps FracTest interface showing a Stress interpretation section with an Auto-interpret button and contact options, next to a Stress Diagnostic Chart.

FracTest – An Online Tool for DFIT Interpretation

This week, we are releasing FracTest, a web-based application for interpretation of diagnostic fracture injection tests (DFITs). FracTest is available at resapps.resfrac.com, alongside our other two ResApps, StageOpt and IntTest. DFITs are small-volume fracture injection tests used to estimate stress, pore pressure, and permeability. These quantities form the foundation of the fracture and reservoir engineering work that we do in ResFrac, and so we view DFIT interpretation as one of the most important parts of our workflow.

Lio Ribeiro

Growth Team Lead

Lio Ribeiro leads growth at ResFrac, expanding the company’s software and services into new markets and customer segments.

Lio's posts

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