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Fig. 9 | Geothermal Energy

Fig. 9

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

Fig. 9

Representations of the different steps of a simulation. (0) Application of the stress state on the numerical dolerite model. (1) Particles on the wellbore surface are removed to model drilling. (2) The hydraulic pressure is imposed in the wellbore. (3) The thermal loading is imposed. Black arrows symbolize the stress state. P represents the hydraulic pressure. T represents the thermal loading (cooling). The red color symbolizes the hot fluid, blue color the cold fluid

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