Abstract Underground hydrogen (H 2) storage (UHS) is crucial for the H 2 economy, offering
scalable and long-term solutions vital for reliable and sustainable H 2-based energy …

In the natural gas era, an underground gas storage capacity of more than 10 trillion cubic
feet has been developed globally. However, as the global energy demand shifts toward …

Underground porous formations provide significant storage capacity for H2 and CO2,
making them a promising solution to aid energy needs and mitigate CO2 emissions. The …

Complex pore structures and wettability affect CO 2 storage in underground reservoirs.
Revealing the flow law of CO 2 in complex reservoirs is crucial for evaluating storage …

Nowadays, researchers have shown interest in hydrogen energy because it is regarded as a
clean energy and a viable alternative to carbon-based fossil fuels. However, hydrogen has …

Hydrogen (H 2) offers a promising solution for the energy transition but storing it on a large
scale at the surface poses significant technical and environmental challenges. Underground …

For underground hydrogen storage (UHS), hydrogen (H 2) injection and withdrawal will
create a temperature difference between the wellbore and the reservoir. The thermal …

This study aims to evaluate the impact of microscopic pore structures and networks on
capillary trap** in underground hydrogen storage (UHS). UHS in subsurface porous …

Underground hydrogen storage (UHS) is increasingly recognized as a promising solution for
large-scale energy storage. The hydrogen (H 2) wettability of caprock plays a critical role in …

An investigation into spontaneous imbibition in porous media is of paramount scientific
significance in various projects. However, a precise understanding of the interaction …