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Table of contents
1. General introduction
1.1 Energy storage technologies
1.2 Underground geological storage
1.3 Objectives of the thesis
2. Underground hydrogen storage
2.1 Types of underground hydrogen storage
2.2 Hydrodynamic behavior of underground hydrogen storage
2.2.1 Hydrogen Water fluid flow equations
2.2.2 Thermodynamics and geochemical fluid-rock modeling
2.3 Hydrogen issues on porous storage
2.3.1 Solubility
2.3.2 Viscous instability
2.3.3 Gravity Overriding
2.3.4 Diffusion
2.3.5 Oxidation-Reduction (RedOx) potential
2.4 Hydrogen geochemical interactions
2.4.1 Abiotic reactions
2.4.2 Biotic reactions
3. Experimental study of geochemical reactivity of hydrogen in sandstone
3.1 Rock core samples and analytical methods
3.2 Experimental methods and procedure
3.3 Experimental results
3.4 Discussion
4. Experimental determination of relative permeability and capillary pressure in the hydrogen-water system
4.1 Experimental setup and apparatus
4.2 Experimental conditions and procedures
4.2.1 Intrinsic permeability measurements
4.2.2 Protocol followed for saturation measurements
4.2.3 Capillary pressure measurement
4.2.4 Relative permeability measurement
4.3 Experimental results
4.3.1 Absolute permeability
4.3.2 Capillary pressure measurement
4.3.3 Steady state relative permeability measurements
4.4 Discussion
4.4.1 Discussion of the results
4.4.2 Validation of the core flooding experimental set-up
4.4.3 Capillary end effect
5. Numerical simulation
5.1 Hydrogen-water-rock interaction numerical simulation
5.1.1 Results of geochemical simulations
5.1.2 Temporal evolution of sandstone reservoir in presence of hydrogen
5.2 Numerical simulation of a hydrogen geological storage in the Trias Formation, France
5.2.1 Introduction to underground energy storage
5.2.2 Energy supply in France
5.2.3 Renewables energy in France
5.2.4 Geological potential in France for energy storage: sitology and needs
5.2.5 Modeling of underground storage of hydrogen to compensate a week-long shortage of energy production in Ile de France
5.2.6 Geological model
5.2.7 Geochemical data
5.2.8 Hydrogen storage reactive transport modeling
5.2.9 Results
5.2.10 Discussion
6. General conclusion and applications
7. Perspective
8. Results of papers
8.1 Paper I
8.2 Paper II
References
