Articles | Volume 11, issue 2
https://doi.org/10.5194/se-11-627-2020
https://doi.org/10.5194/se-11-627-2020
Research article
 | 
28 Apr 2020
Research article |  | 28 Apr 2020

Influence of reservoir geology on seismic response during decameter-scale hydraulic stimulations in crystalline rock

Linus Villiger, Valentin Samuel Gischig, Joseph Doetsch, Hannes Krietsch, Nathan Oliver Dutler, Mohammadreza Jalali, Benoît Valley, Paul Antony Selvadurai, Arnaud Mignan, Katrin Plenkers, Domenico Giardini, Florian Amann, and Stefan Wiemer

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Latest update: 25 Apr 2024
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Short summary
Hydraulic stimulation summarizes fracture initiation and reactivation due to high-pressure fluid injection. Several borehole intervals covering intact rock and pre-existing fractures were targets for high-pressure fluid injections within a decameter-scale, crystalline rock volume. The observed induced seismicity strongly depends on the target geology. In addition, the severity of the induced seismicity per experiment counter correlates with the observed transmissivity enhancement.