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Tuesday, October 12, 2021

Efficacy of large-scale hydrogen storage in geological formations

A team of researchers from Lawrence Livermore National Laboratory (LLNL) collaborated with two other national laboratories to launch a project to review the feasibility of large-scale hydrogen storage in geological formations.

Researchers from LLNL, Pacific Northwest Laboratory (PNNL) and National Energy Technology Laboratory (NETL) will receive up to US$6.75 million in funding from the Department of Energy’s Office of Fossil Energy. Carbon Management (FECM) over subsequent three years.

Known as the SHASTA project (Underground Hydrogen Assessment, Storage and Technology Acceleration). A key component of this work involves studying the security. Efficiency of storing hydrogen and gas mixtures in underground reservoirs.

White and LLNL reservoir engineer Nicola Castelletto will specialise in subsurface modeling work. While laboratory geochemist Megan Smith will study opportunities for high-pressure and high-temperature experiments.

Not all areas have the right geological conditions for salt cavern storage; however, FECM is exploring storage opportunities in these areas, including porous media almost like underground gas storage reservoirs.

The recently announced project will determine the technical feasibility of hydrogen storage in underground systems. Measure operational risks related to storage in these systems.

It will also develop technologies and tools to address these risks. At the same time, the research work will lay the technical foundation for the use of larger perforated media storage capacity and therefore. The reuse of existing gas storage infrastructure to understand the hydrogen economy.

Finally, the project can help accelerate and expand the utilization of hydrogen by using existing facilities in storage locations across. The us (for example, existing gas storage depots).

The key issues that the researchers will solve include:

How to mitigate the technical and operational risks related to underground hydrogen storage, so on protect humans and therefore the environment?

How to use emerging technologies to understand smart, safe and efficient underground hydrogen storage systems (for example, sensors, reservoir simulators, and screening tools)?

#Efficacy of large-scale hydrogen storage

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