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Introduction We investigate the source characteristics of picoseismicity recorded during a hydraulic fracturing in-situ experiment performed in Äspö Hard Rock Laboratory, Sweden. The experiment consisted of six stimulations driven by… Click to show full abstract
Introduction We investigate the source characteristics of picoseismicity recorded during a hydraulic fracturing in-situ experiment performed in Äspö Hard Rock Laboratory, Sweden. The experiment consisted of six stimulations driven by three different water injection schemes and was performed inside a 28 m long, horizontal borehole located at 410 m depth. The fracturing process was monitored with a variety of seismic networks covering a wide frequency band between 0.01 Hz and 100000 Hz including broadband seismometers, geophones, high-frequency accelerometers and acoustic emission sensors.
Journal Title: Journal of Geophysical Research
Year Published: 2018
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