EGS Collab Geophysics Papers

Collab Overview Index SURF Experiment 1 Experiment 2 Experiment 3 Shift Reports Core Logs Papers

Geophysics Papers

2020

• Low Static Shear Modulus Along Foliation and Its Influence on the Elastic and Strength Anisotropy of Poorman Schist Rocks, Homestake Mine, South Dakota

2019

• Direct Downhole Measurement of a Stimulated Fracture Displacement First Results from the SIMFIP Tool Tests performed during the EGS Collab Project
• Direct Observation of Co-seismic Deformation at 1.5 km Depth: The EGS Collab Fracture Stimulation Test
• EGS Collab Experiment 1 Geomechanical and Hydrological Properties by Triaxial Direct Shear
• EGS Collab: 3D Geophysical Model Around the Sanford Underground Research Facility
• Failure Behavior of the Poorman Schist and Its Fractures from EGS Collab Stimulation Site
• Geomechanical evaluation of natural shear fractures in the EGS Collab Experiment 1 test bed
• Geomechanically-Induced Electrical Resistance Responses During High-Pressure Flow Tests in a Stimulated Fracture Zone
• Slip Tendency Analysis of Fracture Networks to Determine Suitability of Candidate Testbeds for the EGS Collab Hydroshear Experiment
• Subsurface Seismic Structure Around the Sanford Underground Research Facility
• The EGS Collab Hydrofracture Experiment at the Sanford Underground Research Facility-Campaign Cross-Borehole Seismic Characterization
• The EGS Collab Hydrofracture Experiment: Seismic Velocity and Elastic Moduli Characterization
• The EGS Collab Project: Fracturing and Shearing Crystalline Rock
• The First EGS Collab Testbed at the Sanford Underground Research Facility-Discrete Fracture Network Characterization

2018

• Co-evolution of fracture permeability and friction in rocks from the egs collab experiment 1 site
• Fracture caging: can we control the extent of a hydraulic fracture stimulated zone
• Influence of Foliation Orientation on Rock Strength and Elastic Properties of Poorman Schist from the EGS Collab Experiment 1 Site
• Investigations in Stimulating Crystalline Rock: Hypotheses and Uncertainties
• Laboratory-scale observations of geochemical and hydrologic fracture response at sustained geothermal flow conditions
• Microearthquake Hypocenter-Location and Focal-Mechanism Inversions for the EGS Collab Project: A Synthetic Study
• Natural fractures and their relationship to the EGS Collab Project in the underground of the Sanford Underground Research Facility (SURF)
• Predicting hydraulic fracture trajectory under the influence of a mine drift in EGS Collab experiment I
• The distribution, orientation, and characteristics of natural fractures for Experiment 1 of the EGS Collab Project, Sanford Underground Research Facility
• The EGS Collab Hydrofracture Experiment at the Sanford Underground Research Facility–Campaign Cross-Borehole Seismic Characterization
• The First EGS Collab Testbed at the Sanford Underground Research Facility-Discrete Fracture Network Characterization
• What Can Microseismicity at the First EGS Collab Site Tell Us About the Subsurface Fracture Network?

2017

• Developing EGS Collab Site Geologic Framework Models at the Sanford Underground Research Facility, Lead, South Dakota

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