Acoustic emission characteristics of salt cavern hydrogen storage reservoir perimeter rock under gas loading

Key Points

• Acoustic emission patterns indicate the structural integrity of perimeter rock during gas loading, enhancing safety assessment.
• The study detected significant emissions in the perimeter rock, correlating with applied gas pressures.
• Observational analysis examined acoustic emission characteristics in salt cavern reservoirs under gas loading conditions.
• This research supports improving monitoring techniques for hydrogen storage safety based on acoustic emissions.