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Title: EGS Collab/SIGMA-V Testbed-1 well locations and orientations.

Abstract

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 well head locations, total lengths of boreholes, their orientations (gyro data). The reported boreholes orientation data were primarily obtained with REFLEX GYRO (TM) survey right after the completion of each hole. Gyro based orientations were later verified and refined with the results of magnetic orientation survey. Well head locations were ascertained by Laser/Lider survey of the drift around the Testbed.

Creator(s)/Author(s):
ORCiD logo ; ; ;
Publication Date:
Other Number(s):
1184
DOE Contract Number:  
EE0032708
Product Type:
Dataset
Research Org.:
DOE Geothermal Data Repository; Idaho National Laboratory
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Geothermal Technologies Program (EE-2C)
Subject:
15 Geothermal Energy
Keywords:
geothermal; energy; EGS Collab; SIGMA-V; SURF; well location; EGS; stimulation; hydraulic; fracturing; Testbed 1; West access Drift; Sanford Underground Research Facility; boreholes; geophysical monitoring; Reflex gyro; orientations; Laser/lider; magnetic orientation survey
OSTI Identifier:
1576950
DOI:
10.15121/1576950

Citation Formats

Neupane, Ghanashyam, Ulrich, Craig, Roggenthen, William, and Team, EGS Collab. EGS Collab/SIGMA-V Testbed-1 well locations and orientations.. United States: N. p., 2018. Web. doi:10.15121/1576950.
Neupane, Ghanashyam, Ulrich, Craig, Roggenthen, William, & Team, EGS Collab. EGS Collab/SIGMA-V Testbed-1 well locations and orientations.. United States. doi:10.15121/1576950.
Neupane, Ghanashyam, Ulrich, Craig, Roggenthen, William, and Team, EGS Collab. 2018. "EGS Collab/SIGMA-V Testbed-1 well locations and orientations.". United States. doi:10.15121/1576950. https://www.osti.gov/servlets/purl/1576950. Pub date:Wed Sep 05 00:00:00 EDT 2018
@article{osti_1576950,
title = {EGS Collab/SIGMA-V Testbed-1 well locations and orientations.},
author = {Neupane, Ghanashyam and Ulrich, Craig and Roggenthen, William and Team, EGS Collab},
abstractNote = {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 well head locations, total lengths of boreholes, their orientations (gyro data). The reported boreholes orientation data were primarily obtained with REFLEX GYRO (TM) survey right after the completion of each hole. Gyro based orientations were later verified and refined with the results of magnetic orientation survey. Well head locations were ascertained by Laser/Lider survey of the drift around the Testbed.},
doi = {10.15121/1576950},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2018},
month = {9}
}

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