Experimental Investigation on Cracking Characteristics of Dry and Saturated Shales in Nitrogen Fracturing after Liquid Nitrogen (LN2) Injection
Cryogenic LN2 fracturing is one of the environmentally friendly waterless fracturing technologies that promote the fracture complexity of shale gas reservoir. The water-ice phase transition under freezing condition causes frost heave in saturated shale. The effect of moisture in shale should be take...
Main Authors: | Yan Zhang, Yu Wu, Savenok Olga Vadimovna, Jiadi Yin, Haozhe Geng, Decheng Li |
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Format: | Article |
Language: | English |
Published: |
Hindawi-Wiley
2023-01-01
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Series: | Geofluids |
Online Access: | http://dx.doi.org/10.1155/2023/8861524 |
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