Logging, Logs, Downhole methods, Drilling
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In order to improve the seismic monitoring of the Soultz-sous-Forêts geothermal site, a new seismic observation well was drilled in 2000. After two months of drilling, OPS4 reached the final depth of 1537m. Location of the OPS4 wellhead (in WGS84): - Latitude: 48.92108705 | 48° 55' 15" N - Longitude: 7.88306364 | 7° 52' 59" E - Altitude: 204m
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The 4616 well was an old oil well drilled in 1950-1951. The well was recovered and used as seismic observation well of the Soultz-sous-Forêts geothermal project from 1987. It has been deepened in the framework of the project to 1414m in 1990. Location of the 4616 wellhead (in Lambert coordinates): - Latitude: 48.93879707 | 48° 56' 19" N - Longitude: 7.86502087 | 7° 51' 54" E - Altitude: 155.4m
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The 4601 well was an old oil well drilled in 1951. It has been deepened in the framework of the Soultz-sous-Forêts project from 1010m to 1604m. A seismic probe was deployed at the bottom of the well to monitor the microseismic activity induced by the several experiments conducted on the geothermal site of Soultz-sous-Forêts. Location of the 4601 wellhead (in WGS84): - Latitude: 48.92805654 | 48° 55' 41" N - Longitude: 7.84882476 | 7° 50' 55" E - Altitude: 169m
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The 4550 well was an old oil well drilled in 1949-1950. It has been deepened in the framework of the Soultz-sous-Forêts project from 1050m to 1500m in 1990. A seismic probe was deployed at the bottom of the well to monitor the microseismic activity induced by the geothermal site of Soultz-sous-Forêts. Location of the 4550 wellhead (in WGS84): - Latitude: 48.93750535 | 48° 56' 15" N - Longitude: 7.86972203 | 7° 52' 10" E - Altitude: 151m
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GRT-2 is the second well drilled within the framework of the geothermal project ECOGI at Rittershoffen. The drilling of the well started in March 2014 and ended in July 2014. GRT-2 is a deviated well of 3196 m in length that reaches 2708 m TVD GL (true vertical depth from ground level) within the fractured granite basement. No reservoir enhancement was necessary at GRT-2. Production and circulation tests were realized from July to October 2014. The GRT-2 well is currently used as production well. It produces hot water at a temperature of 170 °C and with production flow rate of 70 L/s. Location of the GRT-2 wellhead (in WGS84): Latitude: 48.8970814354199° Longitude: 7.93865503246575°
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GRT-1 is the first well drilled within the framework of the geothermal project ECOGI at Rittershoffen. The drilling of the well began at the end of September 2012. The well reached a final measured depth of 2580 m within the fractured granite basement at the end of December 2012. Hydraulic tests of the well were carried out from December 2012 to June 2013. The tests realized at GRT-1 allowed to increase its injectivity index by a factor five. The GRT-1 well is currently used as injection well. Location of the GRT-1 wellhead (in WGS84): Latitude: 48.8965633979049 Longitude: 7.93818621036716
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Flow logs recorded at GPK1 well (https://cdgp.u-strasbg.fr/geonetwork/srv/fre/catalog.search#/metadata/SSF-GPK1) and GPK2 well (https://cdgp.u-strasbg.fr/geonetwork/srv/fre/catalog.search#/metadata/SSF-GPK2) during the 1996 hydraulic programme. *Depth is given in meters *Flow is given in L/s Date of the measures for GPK1 logs: 19/09/1996 22/09/1996 23/09/1996 24/09/1996 25/09/1996 05/10/1996 17/10/1996 19/10/1996 Date of the measures for GPK2 logs: 21/09/1996 22/09/1996 23/09/1996 24/09/1996 25/09/1996 05/10/1996 14/10/1996 More detailed information is given in the header of each file. Last update of data: 06/06/2019
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Temperature logs recorded at GPK1 (https://cdgp.u-strasbg.fr/geonetwork/srv/fre/catalog.search#/metadata/SSF-GPK1) well and GPK2 (https://cdgp.u-strasbg.fr/geonetwork/srv/fre/catalog.search#/metadata/SSF-GPK2) well during the 1996 hydraulic programme. *Depth is given in meters *Temperature is given in °C Date of the measures for GPK1 logs: 09/09/1996 12/09/1996 19/09/1996 22/09/1996 23/09/1996 24/09/1996 25/09/1996 17/10/1996 19/10/1996 Date of the measures for GPK2 logs: 14/10/1996 (3 logs) 20/10/1996 More detailed information is given in the header of each file. Last update of data: 06/06/2019
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Flow logs recorded at GPK1 (Soultz-sous-Forêts) during 1994 episode. *Depth is given in meters *Flow is given in L/s Date of the measures : 21/06/1994 26/06/1994 09/07/1994 13/07/1994 More detailed information is given in the header of each file. Last update of data: 16/05/2019
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Temperature logs recorded at GPK1 (Soultz) during 1994 episode. *Depth is given in meters *Temperature is given in °C Date of the measures : * In June 1994: 13 - 17 - 19 - 20 - 21 - 26 (2 logs) * In July 1994: 4 - 9 - 13 - 16 More detailed information is given in the header of each file. Last update of data: 16/05/2019