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Researchers from the Beijing Institute of Petrochemical Technology conducted an experimental study on the effects of saturated fluids on the petrophysical properties of hot dry rock (HDR) at high temperatures. The study utilized various instruments and analysis techniques to investigate the impact of distilled water and nanoemulsion on the physical and mechanical properties of HDR. The results showed that temperature increase promotes the formation of thermal damage fractures in the HDR samples, and the fluids weaken the mechanical strength of the rock. The findings provide valuable evidence for understanding the hydro-thermal-mechanical behaviors of HDR and can contribute to the development and utilization of geothermal energy. [Extracted from the article]