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Article
Energy & Fuels
Bin Pan et al.
Summary: This study focuses on the impact of RPH and rock wettability on UHS performance in a saline aquifer, and compares the differences between UHS and CGS. The findings demonstrate the significance of RPH and rock wettability on UHS performance and provide guidance for optimization of H2 injection/withdrawal schemes.
Article
Chemistry, Physical
Eike M. Thaysen et al.
Summary: Hydrogen can be used as an energy store in the renewable energy sector to balance supply and demand. Storage of hydrogen in subsurface porous media can provide high storage capacities, but the recoverable volume of hydrogen is uncertain. X-ray computed microtomography was used to study the displacement and capillary trapping of hydrogen by brine in a Clashach sandstone core under pore fluid pressures of 2-7 MPa. The results show that hydrogen saturation during drainage was around 50% of the pore volume and independent of the pore fluid pressure. Hydrogen recovery during secondary imbibition decreased with pressure, but increased with higher brine capillary numbers. Based on these findings, it is recommended to use shallower, lower pressure sites for future hydrogen storage operations in porous media.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2023)
Article
Chemistry, Physical
Zhenkai Bo et al.
Summary: Underground Hydrogen Storage (UHS) is an emerging large-scale energy storage technology. Researchers investigate its feasibility and performance using numerical simulations, but existing studies may not reliably quantify the feasibility of potential storage projects due to the lack of accurate relative permeability models. This study examines how experimentally measured hydrogen-brine relative permeability hysteresis affects the performance of UHS projects through numerical reservoir simulations.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2023)
Article
Chemistry, Physical
Reza Ershadnia et al.
Summary: Transitioning to renewable energies is crucial for addressing climate change and establishing a sustainable energy system. However, the fluctuation in availability of renewable energy sources poses a challenge of demand and supply imbalance. In this study, we investigate the injection, storage, and production of green hydrogen (H2) in a three-dimensional heterogeneous aquifer system, considering factors such as anisotropy ratio, temperature, relative permeability hysteresis, well perforation placement, and cushion gas type. Our findings suggest that successful H2 recovery depends on the aquifer's anisotropy, temperature, injection and production strategies, as well as the use of low-density and low-viscosity cushion gas.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2023)
Article
Energy & Fuels
Mirhasan Hosseini et al.
Summary: In this study, the H2 wettabilities of different shales and one evaporite under various conditions were measured, and their effects on the capillary sealing efficiency were analyzed. The results showed that the sealing efficiency of caprocks decreased with varying parameters, except for oil shales which increased with temperature. Additionally, small pore sizes and evaporites were found to have the most efficient sealing conditions.
Article
Chemistry, Physical
Scott Higgs et al.
Summary: This study determines the wettability and interfacial tension of the hydrogen-brine-quartz system using captive bubble, pendant drop, and in-situ 3D micro-Computed Tomography (CT) methods. The results reveal the changes in effective contact angles and interfacial tension under different pressures and salinities, indicating a water-wet system. These novel insights are important for accurately predicting relative permeability and capillary pressure curves in large-scale simulations.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2022)
Article
Chemistry, Physical
Ahmed Al-Yaseri et al.
Summary: Hydrogen, as a promising energy carrier with zero emission, plays an important role in the transition to renewable energy. However, there are serious knowledge gaps in hydrogen technology, particularly in its production, transport, storage, and utilization. This study conducted core flooding experiments using NMR to investigate hydrogen and nitrogen gas saturations in sandstone, and found that hydrogen saturation was significantly lower than nitrogen saturation, supporting the feasibility of underground hydrogen storage.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2022)
Article
Energy & Fuels
Mirhasan Hosseini et al.
Summary: Hydrogen, as a clean fuel source, has attracted attention for mitigating greenhouse gas emissions and meeting global energy demand. However, its high volatility and compressibility pose challenges for storage. Surface-based storage facilities and underground geo-storage are used to address these challenges. The interaction between hydrogen and resident formation fluids, such as water, greatly affects its flow pattern and storage capacity. This study measured the interfacial tension between hydrogen and brine under various storage conditions and developed an empirical equation to predict it. The results provide fundamental data for H-2 geo-storage projects and contribute to the implementation of a large-scale hydrogen economy.
JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING
(2022)
Article
Geosciences, Multidisciplinary
Amin Rezaei et al.
Summary: This study provides a comprehensive experimental investigation of the flow behavior of H-2-Brine in different types of sandstones and a carbonate rock. The effect of pressure, brine salinity, and rock type on hydrogen flow behavior is examined and compared with that of CH4 and N-2. The results suggest that nitrogen can be used as a proxy gas for hydrogen in multiphase flow experiments.
GEOPHYSICAL RESEARCH LETTERS
(2022)
Article
Energy & Fuels
Mirhasan Hosseini et al.
Summary: Underground hydrogen storage is an important method for reducing greenhouse gases and meeting energy demand. The rock-fluid interfacial tension is a crucial parameter for gas storage, which can determine gas injection and production rates, as well as storage capacity and containment security. However, it is difficult to experimentally measure this parameter and there is a lack of data in the literature for different rock/H2/water systems. Therefore, this study theoretically calculated the interfacial tension using contact angles data, providing a better understanding of wetting characteristics in different rock/H2/water systems.
JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING
(2022)
Article
Energy & Fuels
Mojdeh Delshad et al.
Summary: Hydrogen is an attractive energy carrier for various applications, and successful underground hydrogen storage technology is crucial for a hydrogen economy. Different options, such as manmade caverns, salt domes/caverns, saline aquifers, and depleted oil/gas fields, have been used for storing large quantities of gaseous hydrogen. The key requirements for porous rock formations storing hydrogen include adequate capacity, containment ability, high-volume injection/extraction capability, and reliable caprock to prevent leakage. Detailed evaluations and simulations have shown that while experiences with CO2 and natural gas storage cannot be simply replicated with hydrogen, hydrogen storage requires special containment measures due to its lateral spread behavior.
Article
Geosciences, Multidisciplinary
Maksim Lysyy et al.
Summary: This paper presents the first measurements of hysteresis in hydrogen-water relative permeability in a sandstone core under shallow storage conditions. Gas and water relative permeabilities exhibit strong hysteresis in porous media, caution should be exercised when using nitrogen as a substitute for hydrogen in laboratory assessments.
GEOPHYSICAL RESEARCH LETTERS
(2022)
Article
Chemistry, Physical
Esuru Rita Okoroafor et al.
Summary: This study investigates the reservoir, geological, and operational controls for large-scale hydrogen storage and optimal injection and withdrawal from depleted natural gas reservoirs. The findings suggest that reservoirs with lower pressures at the start of storage operations, steeply dipping reservoirs with good permeability and a well placed updip injection/withdrawal well, as well as permeable reservoirs with sufficient thickness, are favorable for hydrogen storage and withdrawal. Site selection criteria for underground hydrogen storage in depleted gas reservoirs are proposed based on these results and sensitivity analyses.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2022)
Article
Multidisciplinary Sciences
Maartje Boon et al.
Summary: This study conducted H-2/water multiphase flow experiments in geological porous reservoirs using a medical X-ray CT scanner. The effective functions of capillary pressure and relative permeability were measured, revealing the complex transport properties of hydrogen in porous rocks.
SCIENTIFIC REPORTS
(2022)
Review
Energy & Fuels
Nasiru Salahu Muhammed et al.
Summary: This article investigates the potential of underground hydrogen storage as a large-scale energy storage solution. The review examines both conventional and unconventional underground hydrogen storage options and highlights potential storage sites and selection criteria. The hydrodynamics factors influencing underground hydrogen storage, including solid, fluid, and solid-fluid interactions, are summarized. The study also explores the economics and reaction aspects of underground hydrogen storage. The findings indicate that underground hydrogen storage, like other storage systems, is still in its early stages and requires further research and development to address significant challenges and research gaps.
Article
Geosciences, Multidisciplinary
Stefan Iglauer et al.
Summary: This study measured the wettability parameter of hydrogen with rocks under various geo-storage conditions, finding that in a deep sandstone aquifer, the rock (quartz) exhibited weakly water-wet or intermediate-wet characteristics. The research also showed that increasing pressure, temperature, and organic surface concentration can enhance hydrogen wettability. Overall, this study provides fundamental data for the implementation of a future hydrogen economy on an industrial scale.
GEOPHYSICAL RESEARCH LETTERS
(2021)
Review
Chemistry, Physical
Nicole Dopffel et al.
Summary: Understanding and analyzing the microbiological and geochemical characteristics of each site is crucial for safe underground storage of hydrogen gas, in order to predict the most suitable storage strategy and establish effective monitoring and mitigation approaches to counter potential microbial side effects.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Chemistry, Physical
N. Heinemann et al.
Summary: Hydrogen storage in porous rocks can help mitigate the drawbacks of intermittent renewable energy sources. This study focuses on the injection, storage, and production of hydrogen in a saline aquifer anticline, with cushion gas playing an important role. The volume of cushion gas directly impacts the injection and production performance of working gas.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Energy & Fuels
Muhammad Ali et al.
Summary: Hydrogen is considered as a clean fuel option for reducing CO2 emissions and the greenhouse gas effect, but storage remains a major challenge. Understanding the wettability of geological formations is crucial for efficient storage of hydrogen. Experimental studies on quartz substrates aged with organic acids provided insights into the wettability of hydrogen under various storage conditions.
JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING
(2021)
Article
Geosciences, Multidisciplinary
Stefan Iglauer et al.
Summary: The research suggests that storing hydrogen gas in underground coal seams could enable large-scale hydrogen storage and advance the development of a hydrogen economy. The adsorption capacity of hydrogen gas reached 0.6 moles H-2/kg at a certain pressure, with pressure significantly affecting adsorption capacity while temperature had minimal impact.
GEOPHYSICAL RESEARCH LETTERS
(2021)
Article
Chemistry, Physical
Zhenkai Bo et al.
Summary: Underground hydrogen storage (UHS) is considered an important energy storage solution, but potential hydrogen loss due to geochemical reactions must be carefully managed. Through geochemical modeling, it was found that increasing temperature and pressure slightly increases hydrogen solubility in brines, while increasing salinity slightly decreases solubility.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Multidisciplinary Sciences
Leila Hashemi et al.
Summary: This study presents a systematic pore-scale modelling approach to quantify crucial reservoir-scale functions related to underground hydrogen storage, and assesses their dependencies on fluid and reservoir rock conditions. A rigorous sensitivity analysis was conducted to quantify the impacts of uncertain fluid and rock properties in the absence of sufficient experimental data.
SCIENTIFIC REPORTS
(2021)
Article
Chemistry, Physical
Aliakbar Hassanpouryouzband et al.
ACS ENERGY LETTERS
(2021)
Article
Water Resources
Leila Hashemi et al.
Summary: Accurate quantification of hydrogen transport characteristics in subsurface porous formations is crucial for underground hydrogen storage. This study characterizes the contact angles of hydrogen in contact with brine and sandstones, providing important data for research in this field.
ADVANCES IN WATER RESOURCES
(2021)
Article
Energy & Fuels
Doaa Saleh Mahdi et al.
Summary: This study examined the impact of caprock availability and hydrogen injection rate on hydrogen recovery factor and leakage rate in underground hydrogen storage using a three dimensional reservoir model. The findings suggest that both caprock and injection rate play a critical role in hydrogen leakage and the quantities of trapped and recovered hydrogen. Higher injection rates increase H2 leakage when caprocks are absent, while lower injection rates and caprock availability increase the amount of recovered hydrogen.
ADVANCES IN GEO-ENERGY RESEARCH
(2021)
Article
Chemistry, Physical
Maksim Lysyy et al.
Summary: This study explores numerical simulations of seasonal hydrogen storage in the Norne hydrocarbon field offshore Norway, finding that the thin gas zone is the most suitable target for hydrogen storage and suggesting that pre-injection of formation gas as a cushion gas can increase hydrogen recovery.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Geochemistry & Geophysics
Alireza E. Yekta et al.
APPLIED GEOCHEMISTRY
(2018)
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Engineering, Chemical
A. E. Yekta et al.
TRANSPORT IN POROUS MEDIA
(2018)
Article
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Steven Flesch et al.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2018)
Article
Green & Sustainable Science & Technology
Emad A. Al-Khdheeawi et al.
INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL
(2017)
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A. Sainz-Garcia et al.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2017)
Article
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Emad A. A-Khdheeawi et al.
JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING
(2017)
Article
Green & Sustainable Science & Technology
Samuel Krevor et al.
INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL
(2015)
Proceedings Paper
Chemistry, Applied
Fridtjof Riis et al.
12TH INTERNATIONAL CONFERENCE ON GREENHOUSE GAS CONTROL TECHNOLOGIES, GHGT-12
(2014)
Article
Computer Science, Interdisciplinary Applications
Geir Terje Eigestad et al.
COMPUTATIONAL GEOSCIENCES
(2009)
Article
Environmental Sciences
R. Juanes et al.
WATER RESOURCES RESEARCH
(2006)
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Thermodynamics
PJ Linstrom et al.
JOURNAL OF CHEMICAL AND ENGINEERING DATA
(2001)
