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Geothermal Energy

Science – Society – Technology

Fig. 15 | Geothermal Energy

Fig. 15

From: Borehole damaging under thermo-mechanical loading in the RN-15/IDDP-2 deep well: towards validation of numerical modeling using logging images

Fig. 15

Calculation results after 4 h of thermal loading for a heat transfer coefficient value of 1000 W m−2 K−1 (low thermal flux). The front color corresponds to the temperature (see legend). Each point corresponds to a crack (either tensile or shear crack). Grey uniform color corresponds to the area connected to the wellbore (penetration of hydraulic pressure and of thermal loading)

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