... of the underground hydrogen storage pilot. Reservoir Modelling Sensitivity Analysis The dynamic reservoir model of the reference field was used to run several sensitivity analyses to investigate the influence of (i) pilot design choices (such as injection rate, well completion design, and storage duration...

... The modeled domain is a cube extending 1500 meters in the x and y horizontal directions and 50 meters in the vertical direction z, providing a representative volume to investigate the phenomena relevant to hydrogen storage operations. The model comprises the reservoir, a caprock layer...

... (Eq. 2) 4 H 2 + CO 2 → CH 4 +2H 2 O Abstract Underground Hydrogen Storage (UHS) is currently regarded as a promising solution for large-scale storage of hydrogen (H 2 ), a low-carbon energy carrier, expected to play a key role in the energy transition...

... are proposed based on these evaluations. Our findings from laboratory experiments conducted over recent years on wellbore integrity for geothermal projects, geological CO 2 storage, and hydrogen storage are summarized. The comparisons provide insights into how wellbores in the new era must evolve to meet...

... Abstract Due to the increasing demand for hydrogen (H 2 ) as an energy carrier, the concept of underground hydrogen storage in aquifers has been suggested. However, there are serious concerns about its economic feasibility. For this purpose, an effective development strategy is crucial...

... Abstract Hydrogen offers a potential replacement for conventional fossil fuels as a sustainable energy vector. Despite this promise, its large-scale storage is one of the main bottlenecks. Utilizing depleted gas reservoirs for hydrogen storage could present a viable solution. However...

... Abstract The need for a sustainable and decarbonized energy system has led to a renewed interest in Underground Hydrogen Storage (UHS). These caverns, formed by solution mining of underground salt deposits, offer large storage volumes and high structural integrity. Furthermore, salt caverns...

... Abstract Carbon geological sequestration and underground hydrogen storage share the need to validate the feasibility of using depleted hydrocarbon reservoirs or deep saline aquifers to receive and host new fluids in the rock pores. Furthermore, these fluids must be safely confined by the cap...

... available and newly mined salt caverns for hydrogen storage to accelerate the energy transition to a H 2 economy. permeability sustainability mineral geologist reservoir characterization natural gas storage flow in porous media casing and cementing halide sustainable development germany co...

... Abstract Underground hydrogen storage (UHS) can be a valuable solution for efficient and environmentally friendly energy storage but it introduces complex microbial and geochemical interactions that pose unique challenges. This research leverages advanced biogeochemical modeling to accurately...

... by water. Diffusion was shown in the literature to play an important role in underground hydrogen storage. However, limited data concerning effective diffusion coefficients was available in the literature. The study contributes a high-quality data set of effective diffusion coefficients with temperature...

... The cyclic hysteresis effect would occur in cyclic hydrogen injections and productions and this phenomenon are more pronounced due to the wettability alteration. However, reservoir scale underground hydrogen storage simulations considering the impact of cyclic hysteretic multiphase flow have yet...

... sedimentary rock austria government clastic rock upstream oil & gas structural geology natural gas storage europe government social responsibility sustainability rock type geologist hydrogen mineral production control experiment exposure hydrogen storage abschlussbericht zur...

...Introduction Abstract Underground gas storage (UGS) in depleted gas reservoirs plays a vital role today in balancing supply and demand of natural gas and securing energy supply. Similarly, such reservoirs could potentially be (re)used for underground hydrogen storage (UHS). Feasibility...

... Storage of hydrogen, either pure or in the form of gas mixture, in subsurface is proposed in many scenarios as a key approach to manage seasonal fluctuations of renewable energy sources ( Zivar D. et al., 2021 ). Depleted gas fields may be optimal candidates for Underground Hydrogen Storage (UHS...

... for hydrogen storage derived. We looked into the potential usage of hydrogen in Austria and the economics of hydrogen generation and technology and market developments to assess the Levelized Cost of Hydrogen (LCOH). Then, we cover the energy consumption in Austria followed by the REN potential. The results...

..., several studies on H2 storage in salt caverns have been published and pilot projects are already established (e.g. in the U.S. and U.K.). Hydrogen storage in porous geological formations, however, has received only limited attention in the past. In contrast to salt caverns, porous formations could...