Fig. 3From: The deep Basel-1 geothermal well: an attempt assessing the predrilling hydraulic and hydrochemical conditions in the basement of the Upper Rhine GrabenOverview of the pre-test carried out in the Basel-1 borehole. Injection rates: Q1 = 3.14; Q2 = 6.09; Q3 = 9.94 (L min−1)Back to article page