If the well trajectory is correctly designed according to the fault zone’s geometry, geothermal wells exhibit sufficient hydrothermal permeability for industrial exploitation and do not need to be stimulated as observed at Rittershoffen (GRT-2), Brühl (GT-1) or Insheim (GTI-2). These recent geothermal wells qualify as hydrothermal wells. The absence of stimulation is a substantial advantage in terms of environmental effects and for the public acceptance of future geothermal projects.
Experience with 3D seismic profiles for the geothermal project in Brühl showed promising results to accurately identify the geometry of faults at the sediment-basement interface.
https://www.sciencedirect.com/science/article/pii/S0375650518300294
Ann: Vulcan responds to disinformation in online report, page-91
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