Enhancing Hydrogen Recovery from Saline Aquifers: Quantifying Wettability and Hysteresis Influence and Minimizing Losses with a Cushion Gas

R Al Homoud, MV Barbosa Machado, H Daigle… - Hydrogen, 2024 - mdpi.com
This study aims to numerically assess the impact of wettability and relative permeability
hysteresis on hydrogen losses during underground hydrogen storage (UHS) and explore …

Assessing hydrogen sulfide generation from pyrite reduction: Implications for underground hydrogen storage

R Al Homoud, MVB Machado… - … Conference, 17–19 June …, 2024 - library.seg.org
Hydrogen, as an energy carrier, serves as a keystone for achieving both energy
sustainability and stability. However, safe and effective geological underground hydrogen …

[HTML][HTML] Critical Geochemical and Microbial Reactions in Underground Hydrogen Storage: Quantifying Hydrogen Loss and Evaluating CO2 as Cushion Gas

R Al Homoud, MVB Machado, H Daigle, H Ates - Hydrogen, 2025 - mdpi.com
Hydrogen is a pivotal energy carrier for achieving sustainability and stability, but safe and
efficient geological underground hydrogen storage (UHS) is critical for its large-scale …

Field-Scale Reactive Transport Modeling of Bio-Methanation During Underground Hydrogen Storage in Saline Aquifers

R AL homoud, MVB Machado, H Daigle - SPE Energy Transition …, 2024 - onepetro.org
In the context of underground hydrogen storage in saline aquifers, hydrogen is in direct
contact with the formation brine, which rises various concerns about the dissolution of …

Underground hydrogen storage: exploring geochemistry, cushion gas dynamics, and techno-economy for sustainable energy solutions

R Al Homoud - 2024 - repositories.lib.utexas.edu
Hydrogen holds significant promise as a critical player in the energy transition due to its
versatility and low lifecycle carbon emissions. Its superior energy content per unit mass …