Seoul National University · 工学
Professor Ki-Bok Min's research lab specializes in geomechanics and rock engineering, with a focus on enhanced geothermal systems (EGS), hydraulic stimulation, and fracture network modeling in crystalline rocks. The lab conducts advanced numerical simulations and field investigations to understand the hydro-mechanical behavior of fractured reservoirs, particularly under high-pressure conditions. Key research directions include fracture propagation mechanisms, stress-dependent permeability, and contaminant transport in fractured rock masses for environmental safety assessments.
Figures are computed from collected data and may differ slightly.
The first hydraulic stimulation for enhanced geothermal system (EGS) development in Korea had been conducted in the PX-2 well of 4,348 m depth in Pohang EGS site from January 29th to February 20th, 2016. Treatment histories of injection rate, wellhead pressure and corresponding induced microseismicity data were obtained from the stimulation test upon 140 m long open hole section at the well bottom. Wellhead pressure was up to 89 MPa and considerable level of flow rate was attempted up to 47 L/se
We present key observations and analyses of the first and second stimulations conducted at the Pohang enhanced geothermal system (EGS) site in Korea in 2016. The first hydraulic stimulation was conducted in the PX-2 well of 4.3 km depth, with the maximum wellhead pressure of 89.2 MPa, the maximum injection rate of 46.8 L/s, and a total injected volume of 1970 m3. The first stimulation showed non-linear and reversible fracture-opening behavior with injection pressure increase. The stimulation mec
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