Fig. 5

(Top row) stress and temperature solutions on the fault plane in the case of no fault offset at (left) the arrival of the thermal front on the fault plane and (right) when thermal breakthrough occurs in the production well. (Bottom row) the relative difference between both approaches on the fault pillar is presented over the production lifetime of the geothermal doublet. A positive difference indicates MACRIS to predict a larger stress response compared to the uniaxial solution. The reservoir geometry is outlined in grey/black