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"Enhanced Geothermal System EGS"×
Sandia National Laboratories×

Applications of Fractured Continuum Model to Enhanced Geothermal System Heat Extraction Problems

This paper describes the applications of the fractured continuum model to the different enhanced geothermal systems reservoir conditions. The capability of the fractured continuum model to generate fracture characteristics expected in enhanced geothermal systems reservoir environm...
Kalinina, E. et al Sandia National Laboratories
May 06, 2014
1 Resources
0 Stars
Publicly accessible

EGS Collab Experiment 1: Common Discrete Fracture Network

This package includes data and models that support hydraulic fracture stimulation and fluid circulation experiments in the Sanford Underground Research Facility (SURF). A paper by Schwering et al. (2020) describes the deterministic basis for developing a "common" discrete fracture...
Schwering, P. et al Sandia National Laboratories
Sep 18, 2019
4 Resources
0 Stars
Publicly accessible

EGS Collab Experiment 1: Baseline Cross-well Seismic

As part of the geophysical characterization suite for the first EGS Collab tesbed, here are the baseline cross-well seismic data and resultant models. The campaign seismic data have been organized, concatenated with geometry and compressional (P-) & and shear (S-) wave picks, and ...
Schwering, P. et al Sandia National Laboratories
Apr 30, 2018
9 Resources
0 Stars
Publicly accessible

Technology Development and Field Trials of EGS Drilling Systems at Chocolate Mountain

Polycrystalline diamond compact (PDC) bits are routinely used in the oil and gas industry for drilling medium to hard rock but have not been adopted for geothermal drilling, largely due to past reliability issues and higher purchase costs. The Sandia Geothermal Research Departmen...
Knudsen, S. et al Sandia National Laboratories
Jan 01, 2012
3 Resources
0 Stars
Publicly accessible

Development of a Downhole Tool Measuring Real-Time Concentration of Ionic Tracers and pH in Geothermal Reservoirs

For enhanced or Engineered Geothermal Systems (EGS) geothermal brine is pumped to the surface via the production wells, the heat extracted to turn a turbine to generate electricity, and the spent brine re-injected via injection wells back underground. If designed properly, the sub...
Hess, R. et al Sandia National Laboratories
Mar 31, 2014
1 Resources
0 Stars
Publicly accessible

Laboratory Evaluation of EGS Shear Stimulation-Test 001

This is the results of an initial setup-shakedon test in order to develop the plumbing system for this test design. a cylinder of granite with offset holes was jacketed and subjected to confining pressure and low temperature (85C) and pore water pressure. Flow through the sample w...
Bauer, S. Sandia National Laboratories
Jul 29, 2014
1 Resources
0 Stars
Publicly accessible

Fallon FORGE: Well Temperature Data

x,y,z downhole temperature data for wells in and around the Fallon FORGE site. Data for the following wells are included: 82-36, 82-19, 84.31, 61-36, 88-24, FOH-3D, FDU-1, and FDU-2. Data are formatted in txt format and in columns for importing into Earthvision Software. Column he...
Blankenship, D. Sandia National Laboratories
Mar 01, 2016
1 Resources
0 Stars
Publicly accessible

EGS Collab Experiment 1: 4850L Downhole Camera Surveys During Injection

This package includes data and footage from two rounds of downhole camera surveys performed at the Sanford Underground Research Facility (SURF) on the 4850 level. The exercise was performed once on 25 May 2018 and once on 21 December 2018. On May 25th, the first round was done dur...
Schwering, P. et al Sandia National Laboratories
May 25, 2018
9 Resources
0 Stars
Publicly accessible

Testing for Controlled Rapid Pressurization

Borehole W1 is a NQ core hole drilled at our test site in Socorro. The rock is rhyolite. Borehole W1 which was used to test gas-gas explosive mixtures is 55 feet deep with casing (pinkish in the drawing) set to 35 feet. The model is a representation of the borehole and the hol...
Knudsen, S. Sandia National Laboratories
Sep 03, 2014
1 Resources
0 Stars
Publicly accessible

West Flank Coso FORGE: 3D Temperature Model

x,y,z data of the 3D temperature model for the West Flank Coso FORGE site. Model grid spacing is 250m. The temperature model for the Coso geothermal field used over 100 geothermal production sized wells and intermediate-depth temperature holes. At the near surface of this model,...
Blankenship, D. Sandia National Laboratories
Mar 01, 2016
1 Resources
0 Stars
Publicly accessible

Fallon FORGE 3D Geologic Model

An x,y,z scattered data file for the 3D geologic model of the Fallon FORGE site. Model created in Earthvision by Dynamic Graphic Inc. The model was constructed with a grid spacing of 100 m. Geologic surfaces were extrapolated from the input data using a minimum tension gridding al...
Blankenship, D. Sandia National Laboratories
Mar 01, 2016
1 Resources
0 Stars
Publicly accessible

High Temperature Chemical Sensing Tool: Preliminary pH and reference electrode test results

Project: High Temperature Chemical Sensing Tool for Distributed Mapping of Fracture Flow in EGS. Preliminary pH and reference electrode test results.
Cieslewski, G. Sandia National Laboratories
Sep 30, 2014
6 Resources
0 Stars
Publicly accessible

West Flank Coso FORGE: 33-7 Image Log

EMI (Electric Micro Imaging tool, Halliburton) image log in GMI Imager format. GMI Imager is software available from Baker Hughes and is used to open .img files.
Blankenship, D. Sandia National Laboratories
Aug 01, 2001
1 Resources
0 Stars
Publicly accessible

West Flank Coso FORGE: Downhole Lithologic Data

x,y,z downhole lithologic logs for the wells in and around the West Flank FORGE site based on a review of cuttings, core, and mud logs.
Blankenship, D. Sandia National Laboratories
Mar 01, 2016
1 Resources
0 Stars
Publicly accessible

West Flank Coso FORGE: Mud Logs

Mud logs for wells 83-11, 68-6, 33A-7, 33A-7RD, 52B-7, and 88-1 at West Flank
Blankenship, D. Sandia National Laboratories
May 13, 2016
1 Resources
0 Stars
Publicly accessible

Fallon FORGE: Fluid Geochemistry

Fluid geochemistry analysis for wells supporting the Fallon FORGE project. Samples were collected from geothermal wells using standard geothermal water sampling techniques, including filtration and acidification of the cation sample to pH < 2 prior to geochemical analysis. Analyse...
Blankenship, D. and Ayling, B. Sandia National Laboratories
Mar 13, 2018
1 Resources
0 Stars
Publicly accessible

West Flank Coso FORGE: 33A-7 Image and Mud Log Data

Circumferential Borehole Imaging Log (CBIL) image log as DLIS file, and PDF mud log of well 33A-7 as part of the West Flank Coso, CA FORGE site.
Blankenship, D. Sandia National Laboratories
Apr 08, 2010
2 Resources
0 Stars
Publicly accessible

West Flank Coso, CA Magnetic and Gravity Data

Gravity and aeromagnetic data for West Flank FORGE site.
Katzenstein, A. et al Sandia National Laboratories
May 19, 2016
1 Resources
0 Stars
Publicly accessible

SiC Diode Test Data

Fabricated SiC diodes are tested in the temperature range of 300 degrees C to 600 degrees C.
Gilbert, G. Sandia National Laboratories
Aug 01, 2014
1 Resources
0 Stars
Publicly accessible

West Flank Coso FORGE: Geologic Cross-Sections

Geologic cross sections from the West Flank FORGE site. Cross Section traces linked in resources.
Blankenship, D. Sandia National Laboratories
Mar 01, 2016
2 Resources
0 Stars
Publicly accessible

Fallon FORGE: ArcGIS Site Location and Geologic Model Range Polygons

A zip file containing two ArcGIS polygons of the FORGE site located in Fallon, Nevada. FallonFORGE3DGeologicModelRange is the 3D geologic model range and FallonFORGESite is the FORGE site location.
Blankenship, D. Sandia National Laboratories
Mar 01, 2016
1 Resources
0 Stars
Publicly accessible

West Flank Coso Downhole Temperature Data

Downhole temperature data for the three wells inside the West Flank FORGE footprint; 83-11, TCH 74-2 and TCH 48-11. TCH 74-2 and TCH 48-11 were both collected before 1990 and 83-11 was collected in 2009. The are compiled into one spreadsheet for ease of visualization. Plot of data...
Blankenship, D. Sandia National Laboratories
Mar 01, 2008
1 Resources
0 Stars
Publicly accessible

West Flank Coso FORGE: 83-11 Image and Mud Log Data

CBIL and STAR image logs as pre-processed DLIS files, and mud log of well 83-11
Blankenship, D. Sandia National Laboratories
Jul 31, 2009
3 Resources
0 Stars
Publicly accessible

West Flank Coso FORGE: 52B-7 Image and Mud Log

FMI image log and mud log of well 52B-7
Blankenship, D. Sandia National Laboratories
Apr 01, 1992
2 Resources
0 Stars
Publicly accessible

Fallon FORGE: Well Lithologies

x,y,z text file of the downhole lithologic interpretations in the wells in and around the Fallon FORGE site. All the relevant information is in the file header (the spatial reference, the projection etc.) In addition all the fields in the data file are identified in the header.
Blankenship, D. Sandia National Laboratories
Mar 01, 2016
1 Resources
0 Stars
Publicly accessible
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