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Abstract

Summary

This research project investigates the feasibility of converting depleted gas fields in the northern Upper Rhine Graben (URG) into underground hydrogen storage (UHS) sites. Given the region’s geological setting and existing infrastructure, this study aims to address challenges related to the stability and safety of hydrogen storage in porous media. We utilize comprehensive geological and operational data, including well information, seismic surveys, and production histories, to develop static and dynamic models, along with coupled Thermo-Hydraulic-Mechanical (THM) models. Our focus is on the former hydrocarbon fields and Underground Gas Storage (UGS) sites at Wolfskehlen, Stockstadt, and Hähnlein. By establishing a base case and integrating diverse datasets, it was possible through dynamic simulation to predict pore pressure changes in different stages of the field history (production phase, UGS phase and UHS phase) and the impact of sealing faults. The model is now being utilized to explore various UHS scenarios and assess geomechanical effects, including stress analysis and fault reactivation, bringing us to the objective of sustainable solutions for advancing hydrogen-based economy.

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/content/papers/10.3997/2214-4609.2025101042
2025-06-02
2026-02-09
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References

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