Research on Energy and Instability Criterion of Sandstone Hydraulic Fracturing in the Three Gorges Reservoir Area, Chongqing, China

<div>Comparison of energy and axial stress curves. (a) Uniaxial compression failure energy curve. (b) Triaxial compression failure energy curve.</div>

Geofluids

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Figure 5

Figure 5: Research on Energy and Instability Criterion of Sandstone Hydraulic Fracturing in the Three Gorges Reservoir Area, Chongqing, China 