Microseismic catalogue of the 2003 episode at Soultz-sous-Forêts calculated by B.C. Dyer, R. Baria and S. Michelet using the downhole network. Number of events: 21979. The catalogue covers the five phases of the 2003 hydraulic program. Seismic monitoring continued several days after the circulation test. Events were located by a combination of automatic and manual processing methods. Only events that could be located with an RMS misfit < 15 ms were accepted in the catalogue. Time period: 27/05/2003 16:10:29 - 28/07/2003 04:06:26 (UTC time). The data parameters are the following: Column 1: Event ID Column 2: Experiment phase of the hydraulic program Column 3: Date (UTC) Column 4: Time (UTC) Column 5: Easting from GPK1 wellhead * Column 6: Northing from GPK1 wellhead * Column 7: Depth from GPK1 wellhead * Column 8: Latitude WGS84 ** Column 9: Longitude WGS84 ** Column 10: Elevation WGS84 ** * The local coordinate system is based on the UTM32 system. ** Latitude, longitude and elevation have been derived from easting, northing and depth from GPK1 wellhead. The description of the downhole network is available (https://cdgp.u-strasbg.fr/geonetwork/srv/fre/catalog.search#/metadata/SSFS2003-downhole_network). Last update of data: 31/08/2021

GPK3 well was drilled after GPK2 well in order to exploit a lower level at 5000 m depth, where the temperature reaches 200°C. GPK3 has been drilled in 2002 to build a triplet exchanger along ith GPK2 and GPK4 wells. It reaches a depth of 5090 m. Location GPK3 WGS84: Latitude: 48.93084122 | 48° 55' 51'' N Longitude: 7.86656943 | 7° 51' 59'' E

Hydraulic data recorded at GPK3 (https://cdgp.u-strasbg.fr/geonetwork/srv/fre/catalog.search#/metadata/SSF-GPK3), GPK2 (https://cdgp.u-strasbg.fr/geonetwork/srv/fre/catalog.search#/metadata/SSF-GPK2), GPK1 (https://cdgp.u-strasbg.fr/geonetwork/srv/fre/catalog.search#/metadata/SSF-GPK1) and EPS1 (https://cdgp.u-strasbg.fr/geonetwork/srv/fre/catalog.search#/metadata/SSF-EPS1). Two datasets are available: SSFS2003-Hydraulic_stimulation.csv: hydraulic data from 27/05/2003 to 23/06/2003. SSFS2003-Hydraulic_circulation.csv: hydraulic data from 23/06/2003 to 22/08/2003. The first dataset corresponds to the stimulation of GPK3. The second dataset corresponds to the data recorded during the circulation test between GPK3 and GPK2, with GPK3 as injection well and GPK2 as production well. The data parameters are the following: Qin_GPK3: GPK3 injection flowrate Qin_GPK2: GPK2 injection flowrate Tw1_GPK3: GPK3 wellhead temperature Tw1_GPK2: GPK2 wellhead temperature Tw2_GPK2: GPK2 wellhead temperature (other sensor) Pw1_GPK3: GPK3 wellhead pressure Pw2_GPK3: GPK3 wellhead pressure (other sensor) Pa1_GPK3: GPK3 annulus pressure Pw1_GPK2: GPK2 wellhead pressure Pw2_GPK2: GPK2 wellhead pressure (other sensor) Pa1_EPS1: EPS1 annulus pressure Qex1_GPK2: GPK2 production flowrate Pa1_GPK2: GPK2 annulus pressure Pwc_GPK1: GPK1 wellhead pressure Last update of data: 22/02/2022

Hydraulic data recorded at GPK1 (https://cdgp.u-strasbg.fr/geonetwork/srv/fre/catalog.search#/metadata/SSF-GPK1), GPK2 (https://cdgp.u-strasbg.fr/geonetwork/srv/fre/catalog.search#/metadata/SSF-GPK2) and GPK3 (https://cdgp.u-strasbg.fr/geonetwork/srv/fre/catalog.search#/metadata/SSF-GPK3). Nine datasets are available: - SSFC2010-Flowrate_gpk1.csv : Injection flowrate recorded in GPK1 from 05:49:21 10/12/2009 to 23:50:00 14/10/2010. - SSFC2010-Flowrate_gpk2.csv : Production flowrate recorded at GPK2 from 23:23:51 18/11/2009 to 16:00:00 14/10/2010. - SSFC2010-Flowrate_gpk3.csv : Injection flowrate recorded in GPK3 from 00:45:42 01/12/2009 to 17:25:00 14/10/2010. - SSFC2010-Wellhead_pressure_gpk1.csv : Wellhead pressure recorded at GPK1 from 04:00:00 23/03/2010 to 23:20:00 14/10/2010. - SSFC2010-Wellhead_pressure_gpk2.csv : Wellhead pressure recorded at GPK2 from 14:34:18 19/11/2009 to 23:25:00 14/10/2010. - SSFC2010-Wellhead_pressure_gpk3.csv : Wellhead pressure recorded at GPK3 from 10:05:04 23/11/2009 to 23:55:00 24/10/2010. - SSFC2010-Temperature_gpk1.csv : Temperature recorded at GPK1 from 04:39:01 19/11/2009 to 23:55:00 14/10/2010. - SSFC2010-Temperature_gpk2.csv : Temperature recorded at GPK2 from 08:53:35 01/11/2009 to 23:00:00 14/10/2010. - SSFC2010-Temperature_gpk3.csv : Temperature recorded at GPK3 from 09:32:48 19/11/2009 to 23:55:00 14/10/2010. Due to several problems with the data acquisition system, some time periods of data are missing for all the files. Last update of data: 02/12/2019

GPK4 well was drilled after GPK3 well in order to exploit a lower level at 5000 m depth, where the temperature reaches 200°C. GPK4 has been drilled in 2004 to build a triplet exchanger along ith GPK2 and GPK3 wells. It reaches a depth of 5260 m. Location GPK4 WGS84: Latitude: 48.93079836 | 48° 55' 50'' N Longitude: 7.86652359 | 7° 51' 59'' E

The downhole microseismic network in 2004 and 2005 consisted of three accelerometers (4-component sensors) built by the CSMA and three Calidus type high temperature 3-component geophone receivers. The three accelerometers were located in boreholes 4550, 4601 and EPS1. The three geophones were located in boreholes OPS4, GPK1 and 4616. The geophone in 4616 was a passive Calidus type 3 component sensor. It was deployed at the end of June 2004. This sensor had no downhole gain and was used to monitor larger events that saturate the rest of the network at around 2.3 ML during the monitoring. The majority of the events were too small to be detected by this tool so it brought little benefit to the location. It was also quite close to 4550 and so has not been used for the microseismic event locations (Dyer, B.C., 2005.Soultz GPK4 stimulation September 2004 to April 2005. Seismic monitoring report). The X,Y,Z coordinates in the file refer to the local coordinate system with the GPK1 wellhead as origin: X: Easting in meters from GPK1 wellhead (toward magnetic East) Y: Northing in meters from GPK1 wellhead (toward magnetic North) Z: Depth in meters from GPK1 wellhead The local coordinate system is based on the UTM32 system. The coordinates of the stations in the local coordinate system have been obtained from the Semore Seismic report for Socomine by B.C. Dyer, 2005 (Soultz GPK4 stimulation September 2004 to April 2005. Seismic monitoring report). The latitude, longitude and elevation in the WGS84 coordinate system have been derived from the local coordinate system. Last update of data: 25/02/2022

Hydraulic data recorded at GPK1, GPK2, GPK3, GPK4 and EPS1 during the 2004 hydraulic program. Two datasets are available: SSFS2004-Hydraulic_injection.csv: hydraulic data from 07/09/2004 to 12/09/2004 during the low flow injection test at GPK4 SSFS2004-Hydraulic_stimulation.csv: hydraulic data from 12/09/2004 to 02/10/2004 during the stimulation test at GPK4 The data parameters for the file SSFS2004-Hydraulic_injection.csv are the following: Column 1: Date and time (UTC) Column 2: Qin_MeSy - GPK4 injection flowrate Column 3: Vin - Cumulative volume of injected fluid Column 4: Tin_MeSy - Temperature of injected fluid Column 5: WL_Tank - Water level in the tank * Column 6: P_Tank - Pressure in the tank * Column 7: Rho_Tank - Density of injected fluid Column 8: Pw3 - GPK3 wellhead pressure Column 9: Pan3 - GPK3 annulus pressure Column 10: Pw2 - GPK2 wellhead pressure Column 11: Pan2 - GPK2 annulus pressure Column 12: Pw4 - GPK4 wellhead pressure Column 13: Pan4 - GPK4 annulus pressure Column 14: Pan_EPS1 - EPS1 annulus pressure The data parameters for the file SSFS2004-Hydraulic_stimulation.csv are the following: Column 1: Date and time (UTC) Column 2: Qin_omega - GPK4 injection flowrate Column 3: Vin - Cumulative volume of injected fluid Column 4: Qout - GPK3 production flowrate Column 5: Vout - Cumulative volume of produced fluid Column 6: Tin_omega - Temperature of injected fluid Column 7: Tout2 - Temperature of produced fluid Column 8: Tout3 - Temperature of produced fluid (other sensor) Column 9: WL_Tank - Water level in the tank * Column 10: P_Tank - Pressure in the tank * Column 11: Rho_Tank - Density of injected fluid Column 12: Pw3 - GPK3 wellhead pressure Column 13: Pan3 - GPK3 annulus pressure Column 14: Pw2 - GPK2 wellhead pressure Column 15: Pan2 - GPK2 annulus pressure Column 16: Pw4 - GPK4 wellhead pressure Column 17: Pan4 - GPK4 annulus pressure Column 18: Pan_EPS1 - EPS1 annulus pressure Column 19: Pwc1 - GPK1 wellhead pressure Column 20 : Pan1 - GPK1 annulus pressure * The tank was used as a buffer for injection fluid. Last update of data: 31/10/2018

The 2004 stimulation was aimed at improving the hydraulic performances of the well GPK4 (https://cdgp.u-strasbg.fr/geonetwork/srv/eng/catalog.search#/metadata/SSF-GPK4). This borehole was stimulated twice. The 2004 episode corresponds to the first stimulation of GPK4. 9300 m3 of water were injected during the test at a constant flowrate of 30 l/s, with peaks up to 45 l/s. A low flow injection test of GPK4 was performed before the stimulation to evaluate the initial injectivity of the well. The data from the injection test are included too. Dates of the 2004 hydraulic programme: - GPK4 low flow injection: from 10:38 08/09/2004 to 10:00 12/09/2004. - GPK4 stimulation: from 08:32 13/09/2004 to 20:00 16/09/2004. The Episode contains the following datasets: - Microseismic catalogue of the downhole network by B.C. Dyer - Soultz-sous-Forêts 2004 Stimulation (https://cdgp.u-strasbg.fr/geonetwork/srv/eng/catalog.search#/metadata/SSFS2004-Catalogue_downhole); - Microseismic downhole network - Soultz-sous-Forêts 2004 and 2005 Stimulations (https://cdgp.u-strasbg.fr/geonetwork/srv/eng/catalog.search#/metadata/SSFS2004-Downhole_network); - Seismological waveforms - Soultz-sous-Forêts 2004 Stimulations (https://cdgp.u-strasbg.fr/geonetwork/srv/eng/catalog.search#/metadata/SSFS2004-Waveforms); - Hydraulic data - Soultz-sous-Forêts 2004 Stimulation (https://cdgp.u-strasbg.fr/geonetwork/srv/eng/catalog.search#/metadata/SSFS2004-Hydraulic); - Velocity model and station corrections used by B.C. Dyer to locate seismic events recorded by the downhole network - Soultz-sous-Forêts 2004 and 2005 Episodes (https://cdgp.u-strasbg.fr/geonetwork/srv/eng/catalog.search#/metadata/SSFS2004-velocity_model_downhole);

Microseismic catalogue of the 2003 episode at Soultz-sous-Forêts calculated by M. Calò and C. Dorbath using the surface network. Number of events: 4728. The catalogue was used to perform a time-dependent (4-D) seismic tomography. It covers all the five phases of the 2003 experiment program. The location of events was performed using an automatic procedure for detecting and picking the seismic phases. About 7500 triggers were detected and 4728 events were finally located using at least eight P- and three S-arrival times with a root mean square (rms) lower than 0.04 s. Time period: 27/05/2003 18:37:50 - 12/07/2003 20:31:00 (UTC time). The data parameters are the following: Column 1: Event ID Column 2: Date (UTC) Column 3: Time (UTC) Column 4: Latitude WGS84 Column 5: Longitude WGS84 Column 6: Elevation WGS84 Column 7: Magnitude Column 8: RMS Last update of data: 13/09/2019

Microseismic catalogue of the 2005 episode at Soultz-sous-Forêts calculated by B.C. Dyer using the downhole network. Number of events: 3709. The catalogue covers the four phases of the 2005 hydraulic program at GPK4. The events were located by a combination of automatic and manual processing methods. Only events that could be located with an RMS misfit inferior to 5 ms were accepted in the catalogue. Time period: 04/02/2005 01:41:37 - 01/04/2005 18:33:43 (UTC time). The data parameters are the following: Column 1: Event ID Column 2: Experiment phase of the hydraulic program Column 3: Date (UTC) Column 4: Time (UTC) Column 5: Easting from GPK1 wellhead * Column 6: Northing from GPK1 wellhead * Column 7: Depth from GPK1 wellhead * Column 8: Latitude WGS84 ** Column 9: Longitude WGS84 ** Column 10: Elevation WGS84 ** Column 11: RMS Column 12: Local magnitude *** * The local coordinate system is based on the UTM32 system. ** Latitude, longitude and elevation have been derived from easting, northing and depth from GPK1 wellhead. *** The magnitude has been estimated using the relationship derived by Sophie Michelet/Matthieu Darnet based on the peak amplitude at the 4550V sensor: M = (-11 + log10 ((0.85 * PeakAmplitudeAt4550V) / 1.0e-9)) * 1.85. Last update of data: 03/03/2022