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September 12, 2025Journal of Physics Conference SeriesOpen Access

Study on the calorific value change of withdrawal gas of hydrogen-enriched natural gas in depleted gas reservoir underground storage systems

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Authors

YLYihan LiaoYWYi WangXi'an University of Architecture and TechnologyWXWendi Xue

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Implication

Numerical modeling reveals the effects of hydrogen blending ratios on calorific value in depleted gas reservoirs, suggesting optimal well placements.

Key Points

  • Higher hydrogen fractions in injected gas result in greater fluctuations in the calorific value of produced gas, impacting quality.
  • Results indicate that gas migration is primarily affected by Darcy flow and convection, with diffusion contributing less significantly.
  • The study employs a cubic reservoir model to simulate multi-cycle gas injection and withdrawal across varying conditions.
  • Findings highlight the importance of well placement on hydrogen supplementation demand, aiding engineering applications in UHS design.

Cite This Study

Liao et al. (2025) studied this question.

synapsesocial.com/papers/68d41c02713b0b5dfea655e1https://doi.org/10.1088/1742-6596/3048/1/012167
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Also Consider

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