Research on the micro-pore structure and multiscale fractal characteristics of shale under supercritical CO2 action: A case study of the Chang 73 submember in the Ordos Basin, China

Research on the micro-pore structure and multiscale fractal characteristics of shale under supercritical CO2 action: A case study of the Chang 73 submember in the Ordos Basin, China

To elucidate the mechanism of supercritical CO2 (ScCO2) on the microporous structure of shale, this study focuses on the Chang 73 submember of the Yanchang Formation in the Ordos Basin. Utilizing a combination of organic geochemical and mineral composition analyses, low-temperature gas (CO2 and N2)...

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Bibliographic Details
Main Authors: Lili Jiang, Leng Tian, Zhangxing Chen, Zechuan Wang, Wenkui Huang, Xiaolong Chai
Format: Article
Language:English
Published: KeAi Communications Co., Ltd. 2025-06-01
Series:Journal of Natural Gas Geoscience
Subjects:
Supercritical CO2
Shale
Micro-pore structure
Multiscale fractal
Low-temperature gas adsorption
Nuclear magnetic resonance
Online Access:http://www.sciencedirect.com/science/article/pii/S2468256X25000288
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