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Geological Storage Conditions and Potential Analysis of Carbon Dioxide in the High-steep Fold Belt in Eastern Sichuan Basin

Geological Storage Conditions and Potential Analysis of Carbon Dioxide in the High-steep Fold Belt in Eastern Sichuan Basin

Authors :
Luan Jinhua
Zhang Ruigang
Zhao Haitong
Zhang Xiong
Mao Lingling
Zhang Yi
Hu Feng
Tian Heming
Dong Yi
Jiang Liangmei
Chen Fei
Source :
E3S Web of Conferences, Vol 478, p 01023 (2024)
Publication Year :
2024
Publisher :
EDP Sciences, 2024.

Abstract

Carbon sequestration refers to the technology of capturing carbon and storing it safely instead of directly discharging CO2 into the atmosphere. Rock salt is a promising CO2 reservoir, and the underground rock salt structure formed by salt cavern reservoirs in geological history has a natural sealing function. Storing carbon dioxide in salt caves can ensure that carbon dioxide is stably stored underground for a long time. However, at present, there are few studies on carbon sequestration in abandoned salt caves. This study analyses the characteristics of carbonate-evaporite strata in the high fold zone of eastern Sichuan and qualitatively evaluates Triassic carbonate-evaporite layers formed in the depth range of 800-3000 m in various sedimentary basins in Chongqing. A large set of carbonates-evaporites are developed in Chongqing, and the carbonate rocks near evaporites have low porosity and permeability, which can be used as CO2 storage caprock in salt cavities. Thick evaporated strata can also provide a good cover for CO2 storage in abandoned salt caves, which has great potential space resources.

Details

Language :
English, French
ISSN :
22671242 and 09970983
Volume :
478
Database :
Directory of Open Access Journals
Journal :
E3S Web of Conferences
Publication Type :
Academic Journal
Accession number :
edsdoj.15e7b5182d84e099709838e3d5ce6da
Document Type :
article
Full Text :
https://doi.org/10.1051/e3sconf/202447801023