Gas Production and Storage Using Hydrates Through the Replacement of Multicomponent Gases: A Critical Review

Zhiyuan Zhu, Xiaoya Zhao, Sijia Wang, Lanlan Jiang, Hongsheng Dong () and Pengfei Lv ()
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Zhiyuan Zhu: School of Energy and Power Engineering, North University of China, Taiyuan 030051, China
Xiaoya Zhao: School of Energy and Power Engineering, North University of China, Taiyuan 030051, China
Sijia Wang: Hebei Engineering Research Center of Advanced Energy Storage Technology and Equipment, School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin 300401, China
Lanlan Jiang: Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education, Dalian University of Technology, Dalian 116024, China
Hongsheng Dong: School of Marine Science and Technology, Northwestern Polytechnical University, Xi’an 710072, China
Pengfei Lv: School of Energy and Power Engineering, North University of China, Taiyuan 030051, China

Energies, 2025, vol. 18, issue 4, 1-31

Abstract: With the continuous growth of global energy demand and the gradual depletion of traditional fossil energy reserves, natural gas hydrates have attracted widespread attention as a potential clean energy source due to their vast reserves and wide distribution. Although various extraction methods, including depressurization, thermal stimulation, chemical inhibitors, and displacement methods, have been proposed, there are still challenges, such as low extraction efficiency, poor sustainability, and high costs, making it difficult to achieve large-scale engineering applications. Among these, the use of gases such as CO 2 for displacement extraction of natural gas hydrates can both develop hydrate resources and sequester CO 2 , achieving a win–win situation for resource development and greenhouse gas reduction. This paper provides a detailed review of the multi-gas displacement extraction technology for natural gas hydrates, systematically summarizes the latest progress in thermodynamic and kinetic studies, analyzes the technical advantages and feasibility of combining displacement methods with traditional techniques, and explores the effects of multi-gas mixtures, such as N 2 , CO 2 , and H 2 , and their ratios on hydrate extraction efficiency. Finally, this paper summarizes the technical challenges faced by displacement extraction methods for hydrates and offers future research directions to promote the development of multi-gas displacement technology for natural gas hydrates.

Keywords: natural gas hydrate; displacement method; thermodynamic properties; kinetic properties; multicomponent gas (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2025
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