Hydraulic Fracturing and Supercritical CO₂ Enhanced Fracturing Simulation Experimental Device

This device is mainly used for conducting physical simulation experiments of hydraulic fracturing and supercritical CO₂ enhanced fracturing on reservoir cores. It simulates the fracturing of rock under stress when water-based fracturing fluid and supercritical CO₂ fracturing fluid are injected into the formation at a certain pressure. The study investigates the effects of different factors such as in-situ stress differences, construction parameters, and fluid types on fracture morphology, compares the fracture morphology after fracturing with supercritical CO₂ and conventional water-based fracturing fluids, explores the mechanism of CO₂ enhanced fracturing in reservoirs, evaluates reservoir compressibility, and guides the optimization of fracturing pump injection procedures.

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