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Geothermal Energy

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Fig. 10 | Geothermal Energy

Fig. 10

From: Monitoring cold water injections for reservoir characterization using a permanent fiber optic installation in a geothermal production well in the Southern German Molasse Basin

Fig. 10

DTS profiles during warm-back of Inj2. a Warm-back profiles at 4, 6 and 17 h after shut-in together with the mean profile of January 2020 and the Shut-In profile over whole borehole in comparison to stratigraphic units and the well completion. b DTS peaks during long-term warm-back at top of the reservoir from 2810 m MD to 2840 m MD. The bold curves are raw DTS data, fine black curves are moving average over 2 m. The gray line indicates a vertical shift of about 1.5 m

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