Impact of Slickwater Fracturing Fluid on Pore Structure and Micromechanical Properties of Clay-Rich Shale Using Fluid Intrusion and AFM Experiments.

Analysis of the data in Table 3 reveals an increasing trend in the roughness of the samples after immersion, while the modulus values exhibit a decreasing trend.

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Compared to dry samples, the samples after immersion in fracturing fluid show a decreasing trend in the cumulative PV.

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In summary, after 10 days of immersion, the pores in the samples showed a trend of reduction.

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