PetroDexia LLC
PetroDexia LLC
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    • Geologic Hydrogen
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Stimulated Geologic Hydrogen Innovation

Stimulated Geologic Hydrogen Innovation Stimulated Geologic Hydrogen Innovation Stimulated Geologic Hydrogen Innovation

Engineering Subsurface Conditions for Controlled Hydrogen Generation




Houston-Based

Women-Owned

Proprietary RDS Framework

Stimulated Geologic Hydrogen Innovation

Stimulated Geologic Hydrogen Innovation Stimulated Geologic Hydrogen Innovation Stimulated Geologic Hydrogen Innovation

Engineering Subsurface Conditions for Controlled Hydrogen Generation




Houston-Based

Women-Owned

Proprietary RDS Framework

Engineering Hydrogen from the Subsurface

OUR MISSION

OUR EXPERTISE

OUR MISSION

Advancing stimulated geologic hydrogen from mineral science through field validation toward scalable energy production. 

OUR VISION

OUR EXPERTISE

OUR MISSION

 Transforming and revitalizing mineral resources into a new source of distributed hydrogen through repeatable, engineered subsurface production. 

OUR EXPERTISE

OUR EXPERTISE

OUR EXPERTISE

PetroDexia builds on decades of global experience in subsurface evaluation, technology development, R&D, and energy project execution. 

GEOLOGIC HYDROGEN GENERATION FRAMEWORK

REACTIVE ROCK AND CHEMISTRY

REACTIVE ROCK AND CHEMISTRY

REACTIVE ROCK AND CHEMISTRY

KEY FACTORS


Mineralogy & Fe2+ availability


Reactive surface area &

mineral accessibility


Temperature


Fluid chemistry


Fractures and permeability

HYDROGEN GENERATION

REACTIVE ROCK AND CHEMISTRY

REACTIVE ROCK AND CHEMISTRY

CONTROLLED BY


Reaction kinetics


Temperature


Fluid chemistry


Mineral reactivity


Water-rock contact


Flow rate & residence time

STIMULATION AND RECOVERY

REACTIVE ROCK AND CHEMISTRY

STIMULATION AND RECOVERY

KEY OUTCOMES


Enhanced rock-water contact


Increased reaction rate


Sustained hydrogen generation


Efficient recovery and water reuse


Repeatable cyclic operation

WHY STIMULATED GEOLOGIC HYDROGEN

BRIDGING THE GAP BETWEEN GENERATION POTENTIAL AND RECOVERY

Rate-Determining Step (RDS) Framework

 RDS is PetroDexia’s proprietary technology platform and decision framework for identifying, optimizing, and economically managing subsurface redox systems for hydrogen generation across dual-mode production pathways. 

OUR CAPABILITIES

GEOSCIENCE & RESOURCE EVALUATION

GEOPHYSICS & SUBSURFACE INTEGRATION

PETROPHYSICS & WELL DATA ANALYSIS

Geological prospecting & resource screening


Basin and regional studies


Integrated subsurface interpretation


Prospect evaluation & technical due diligence


Resource characterization & development concept

PETROPHYSICS & WELL DATA ANALYSIS

GEOPHYSICS & SUBSURFACE INTEGRATION

PETROPHYSICS & WELL DATA ANALYSIS

Advanced well-log analysis


Open-hole and cased-hole formation evaluation


Multi-well and field scale studies


Legacy data re-evaluation and integration


Reservoir and resource characterization

GEOPHYSICS & SUBSURFACE INTEGRATION

GEOPHYSICS & SUBSURFACE INTEGRATION

RESERACH, TECHNOLOGY & EMERGING RESOURCES

Geophysical data integration & interpretation


Seismic, potential-field, EM and well-data integration


Structural & stratigraphic interpretation


Integrated 2D/3D subsurface models


Target identification & uncertainty assessment

RESERACH, TECHNOLOGY & EMERGING RESOURCES

PROJECT DEVELOPMENT & EXPERT TEAM BUILDING

RESERACH, TECHNOLOGY & EMERGING RESOURCES

R&D programs for emerging subsurface resources


Geologic hydrogen & geothermal systems


Laboratory-to-field technology development


Experimental program design and technical validation


New resource concepts and subsurface energy applications

PROJECT DEVELOPMENT & EXPERT TEAM BUILDING

PROJECT DEVELOPMENT & EXPERT TEAM BUILDING

PROJECT DEVELOPMENT & EXPERT TEAM BUILDING

Early-stage project definition and de-risking


Techno-economic analysis & commercial screening


Technical work program development


Multidisciplinary project integration


Independent technical review and decision support


We bring together specialized experts, advisors and industry partners to build the right team for each challenge

PROJECT PORTFOLIO

GEOLOGIC HYDROGEN

GEOTHERMAL DEVELOPMENT

GEOTHERMAL DEVELOPMENT

 Advancing mineral-based hydrogen generation, stimulation, and recovery technologies 

GEOTHERMAL DEVELOPMENT

GEOTHERMAL DEVELOPMENT

GEOTHERMAL DEVELOPMENT

Full-cycle project design and subsurface evaluation

OIL & GAS SERVICES

GEOTHERMAL DEVELOPMENT

OIL & GAS SERVICES

Consulting, technical advisory, and energy-technology training & education

ABOUT PETRODEXIA

PetroDexia LLC - Subsurface Energy Development Company

 

PetroDexia LLC is a Houston-based subsurface energy development company focused on stimulated geologic hydrogen and the development of scalable subsurface energy systems, with a pathway from technology validation to field development and production. 


 

Our work is founded on proprietary technologies covered by two provisional patent applications, spanning hydrogen generation from reactive mineral systems and the engineering, monitoring, and optimization of subsurface production.
 
We combine decades of experience in geoscience, petrophysics, subsurface evaluation, technology development, and project economics to advance concepts from scientific understanding and laboratory validation toward field-scale development and production.

Leadership & Collaborative Network

NATASA MEKIC - Founder & Principal Scientist

Natasa brings more than two decades of global energy-industry experience spanning geoscience, petrophysics, R&D, technology development, and subsurface evaluation. She leads PetroDexia’s scientific and technical strategy, advancing stimulated geologic hydrogen from mineral and subsurface characterization through validation and field development. 

MILAN MEKIC - Co-founder & Economics Architect

Milan brings more than two decades of international experience spanning energy, infrastructure, finance, M&A, and project development. He leads PetroDexia’s economic and commercial architecture, integrating project economics, investment strategy, scalability, and development planning to advance emerging energy technologies toward commercially viable projects. 

COLLABORATORS

PetroDexia works across a multidisciplinary network of industry advisors, universities, research laboratories, technology companies, and energy-sector specialists to bring together the expertise required for subsurface energy development. 

Copyright © 2026 PetroDexia LLC - All Rights Reserved.

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