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December 8, 2025ProcessesOpen Access

Experimental Study on the Mechanical Damage and Permeability Evolution of Tight Sandstone Reservoir Under Triaxial Loading

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Sandstone strength transitions from brittle to ductile-plastic failure under varying confining pressure.
With confining pressure increasing from 10 MPa to 40 MPa, the elastic modulus rose from 8.70 GPa to 12.65 GPa.
Assessment using triaxial loading and CT scanning to evaluate mechanical damage and permeability processes.
Findings highlight the complex behavior of tight sandstone under stress conditions, relevant for deep gas storage designs.

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Implication

Experimental analysis reveals shifting failure patterns and stability in tight sandstone during triaxial loading, indicating design considerations for gas storage reservoirs.

Cite This Study

Shi et al. (2025) studied this question.

synapsesocial.com/papers/693624c34fa91c937236cc4a https://doi.org/10.3390/pr13123919

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Implication

Experimental analysis reveals shifting failure patterns and stability in tight sandstone during triaxial loading, indicating design considerations for gas storage reservoirs.

Experimental Study on the Mechanical Damage and Permeability Evolution of Tight Sandstone Reservoir Under Triaxial Loading

Key Points

Discussion

Implication

Cite This Study

Experimental Study on the Mechanical Damage and Permeability Evolution of Tight Sandstone Reservoir Under Triaxial Loading

Key Points

Discussion

Implication

Cite This Study

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