Natural hydrogen accumulation patterns and prospects for exploration and development

doi:10.3969/j.issn.1006-6535.2025.01.001

Abstract

Abstract: The establishment of China′s "dual carbon" goal has made the search for efficient and environment-friendly energy sources an urgent task. Hydrogen gas, as a clean energy source, is increasingly gaining the attention of researchers. At present, the industrial production of hydrogen is primarily derived from fossil fuels such as petroleum and natural gas, which results in the substantial emission of carbon dioxide during the hydrogen production process. Hydrogen is also industrially produced through the electrolysis of water; however, this method is not yet suitable for mass production due to the associated high costs. Since the 1970 s, numerous instances of natural hydrogen gas accumulation have been discovered worldwide. With its low-carbon and renewable characteristics, natural hydrogen gas is anticipated to become the most promising clean energy source for the future. In China, the study on natural hydrogen gas in China is relatively scarce, and there are no precedents for the exploration and development of natural hydrogen gas. To this end, based on previous study and in conjunction with the global discoveries of natural hydrogen gas, the origins, migration, and accumulation patterns of natural hydrogen gas have been summarized from the perspective of petroleum geology. The study also provides a prospective outlook on the exploration and development of natural hydrogen gas. This study can offer insights for future natural hydrogen gas exploration and development in China.

Key words: natural hydrogen gas, accumulation patterns, mantle degassing, serpentinization, water-dissolving phase, Precambrian basement

CLC Number:

TK91

NI Zhiyong, ZENG Jianhui, LIU Xiaoping, SHI Kai, SHAO Ganggang. Natural hydrogen accumulation patterns and prospects for exploration and development[J]. Special Oil & Gas Reservoirs, 2025, 32(1): 1-11.

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