EGS Collab Testbed 1 Earth Model Input Files


The EGS Collab is conducting experiments in hydraulic fracturing at a depth of 1.5 km in the Sanford Underground Research Facility (SURF) on the 4850 Level. A total of eight ~60m-long subhorizontal boreholes were drilled at that depth on the western rib of the West Access Drift. Six of these holes are used for geophysical monitoring, one is used for hydraulic fracturing and the remaining hole was designed as a production borehole. In addition to these eight boreholes, 4 5-m Jack leg boreholes were drilled for housing geophones. This submission package includes various data type that were assembled to create Earth Models of the testbed.

Note: The coordinate system used is local Homestake Mine Coordinate (HMC) system from an old gold mine that was in operation for over 100 years.

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Additional Info

DOE Project Name: EGS Collab
DOE Project Number: EE0032708
DOE Project Lead: Lauren Boyd
DOI: 10.15121/1593286
Last Updated: 12 months ago
Data from December, 2019
Submitted Dec 19, 2019


Idaho National Laboratory


Publicly accessible License 


Ghanashyam Neupane
Idaho National Laboratory
The EGS Collab Team Sigma-V


geothermal, energy, EGS Collab, SURF, hydraulic, fracturing, stimulation, Sanford Underground Research Facility, experiment, EGS, experimental, hydraulic fracturing, subhorizontal boreholes, west access drift, geophysical monitoring, jack leg boreholes, geophones, testbed 1, Earth Model, input, modelling, AutoCAD, geology, sensors, well data, borehole, Homestake Mine, geospatial data


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