Experimental Study on the Influence of Supercritical CO2 on Shale Fracture Morphology

Experimental Study on the Influence of Supercritical CO2 on Shale Fracture Morphology

In the ahead fracturing process of supercritical carbon dioxide （SC-CO2）， the injected CO2 is easy to enter the porous media of shale， and combined with the formation water or water-based fracturing fluid to form a slightly acidic fluid， thus stimulating the initiation and propagation of shale micro...

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Bibliographic Details
Main Authors: Wu Hua, Wang Xiaoqiong, Ge Hongkui, Wang Haige, He Jixiang, Zhang Yanlong, Wang Jianyong
Format: Article
Language:zho
Published: Editorial Office of China Petroleum Machinery 2025-06-01
Series:Shiyou jixie
Subjects:
pre⁃fracturing
supercritical co2
shale oil
co2 soak mode
soak sequence
uniaxial compression
fracture morphology
Online Access:http://www.syjxzz.com.cn/en/#/digest?ArticleID=4973
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