kISMET Core Descriptions

Abstract
These core descriptions were taken from the five boreholes that were drilled as part of the kISMET SubTER project conducted at the Sanford Underground Research Facility (SURF) in Lead, SD. The boreholes are subvertical in orientation, and were drilled on the 4850 level of SURF on the West Drift, about 450 feet from Governor's Corner. The well heads for the five wells are in a line, but the outer two wells (k001 and k005) were deviated to form a five-spot configuration at 50 m depth. Four of the five boreholes have a nominal depth of 50 m and have HQ core - the fifth, located in the center (k003) was drilled to a depth of 100m and has NQ core. The central borehole was used for stress and hydraulic fracturing - the other four boreholes were used for monitoring purposes. Core logging was conducted by Paul Cook (LBNL), Bill Roggenthen (SDSMT), and Drew Siler (LBNL). All core consists of rocks from the Poorman Formation. In addition to the core descriptions, the data submission also contains a map and spreadsheet showing the locations of the boreholes.
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Additional Info

DOE Project Name: Intermediate-Scale Hydraulic Fracture and Stimulation Field Laboratory in a Deep Mine for the Investigation of Induced Seismicity and Fracture Flow
DOE Project Number: FY16 AOP 3.2.2.3
DOE Project Lead: Eric Hass
Last Updated: over a year ago
Aug
2016
Data from August, 2016
Submitted Jul 14, 2017

Lawrence Berkeley National Laboratory

Contact

510.486.5373

Authors

Patrick Dobson
Lawrence Berkeley National Laboratory
Curt Oldenburg
Lawrence Berkeley National Laboratory
Paul Cook
Lawrence Berkeley National Laboratory
Drew Siler
Lawrence Berkeley National Laboratory
Bill Roggenthen
South Dakota School of Mines Technology

Keywords

geothermal, SubTER, stress, hydraulic fracturing, EGS, Sanford Underground Research Facility, core, Poorman Formation

Status

In curation License 
Submission Downloads