The Permeability Alternation of Shale Fractures due to Sc-CO2 Soaking: Implications for Sc-CO2 Fracturing and Deep CO2 Sequestration in Shale Reservoirs

<div>The mineralogical compositions evolution due to CO2 soak. The tectosilicate minerals include quartz, analcime, anorthite, albite, and microcline. The carbonate minerals include carbonate and dolomite. The phyllosilicate minerals include muscovite, illite, chlorite, kaolinite, and montmorillonite. (a) The mineral weight content change due to the CO2 soak. (b) The mineralogical content evolution of calcite and dolomite.</div>

Advances in Materials Science and Engineering

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Figure 4: The Permeability Alternation of Shale Fractures due to Sc-CO2 Soaking: Implications for Sc-CO2 Fracturing and Deep CO2 Sequestration in Shale Reservoirs

Figure 4 | The Permeability Alternation of Shale Fractures due to Sc-CO2 Soaking: Implications for Sc-CO2 Fracturing and Deep CO2 Sequestration in Shale Reservoirs 