AndreaBozzo/ceres-open-data-index huggingface dataset:
Caldwell Ranch Exploration and Confirmation Project, Northwest Geysers, CA: 2011 Geothermal Technologies Peer Review Project Summary

Caldwell Ranch Exploration and Confirmation Project, Northwest Geysers, CA: 2011 Geothermal Technologies Peer Review Project Summary
The Caldwell Ranch Exploration and Confirmation Project was to drill, test, and confirm the present economic viability of the undeveloped geothermal reservoir in the Caldwell Ranch area.  The objective of the project was to re-open and re-complete three wells abandoned in 1999 and 2000: Prati 5 (P-5), Prati 14 (P-14) and Prati 38 (P-38). The data and information collection included: (1) drilling and geology of the subject wells; (2) reservoir production flow rates, temperature, pressure, thickness, permeability, and rock fluid chemistry using new innovative combinations technologies and (3) a determination of present reservoir conditions in order to determine the feasibility of re-developing a steam supply.

Tags: caldwell-ranch, california, geothermal, geysers-field, high-temperature-zone, low-temperature-zone, non-condensable-gases, peer-review, re-completion, reservoir, sidetrack, sonoma-county, steam, tracer, waste-water-injection
Organization: Department of Energy
Seismic Line Location Map, Hot Pot Project, Humboldt County, Nevada 2010

Seismic Line Location Map Hot Pot Project, Humboldt County, Nevada 2010. Detailed map (pdf) showing topographic base map, Township and Range layer, Oski BLM and private leases at time of survey, and locations, with selected shot points, of the five seismic lines.

Tags: geothermal, hot-pot, hot-pot-geothermal-prospect, humboldt-county, line, location, map, nevada, reflection-survey, seismic, seismic-reflection-survey
Organization: Department of Energy
Hotspot Project: The Snake River Geothermal Drilling Project Initial Report

The Snake River volcanic province (SRP) overlies a thermal anomaly that extends deep into the mantle; it represents one of the highest heat flow provinces in North America. The primary goal of this project is to evaluate geothermal potential in three distinct settings: (1) Kimama site: inferred high sub-aquifer geothermal gradient associated with the intrusion of mafic magmas, (2) Kimberly site: a valley-margin setting where surface heat flow may be driven by the up-flow of hot fluids along buried caldera ring-fault complexes, and (3) Mountain Home site: a more traditional fault-bounded basin with thick sedimentary cover. In-depth studies continue at all three sites, complemented by high-resolution gravity, magnetic, and seismic surveys, and by downhole geophysical logging. 

Tags: aquifer, basalt, downhole, drilling, exploration, geophysical, geothermal, gravity, hotspot, hotspot-project, idaho, kimama, kimberley, lithologic-log, lithology, logging, magnetic, plain, rhyolite, seismic, snake-river, stratigraphic-column, volcanic-province
Organization: Department of Energy
Seismic Line Location Map File, Hot Pot Project, Humboldt County, Nevada 2010

Location of seismic lines carried out under DOE funded project Advanced Seismic Data Analysis Program (The Hot Pot Project). ArcGIS map package containing topographic base map, Township and Range layer, Oski BLM and private leases at time of survey, and locations, with selected shot points, of the five seismic lines.

Tags: arcgis, geospatial-data, geothermal, gis, hot-pot, line, location, map-file, map-package, nevada, prospect, reflection-survey, seismic, seismic-reflection-survey
Organization: Department of Energy
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 Department has recently completed a field demonstration of the applicability of advanced synthetic diamond drill bits for production geothermal drilling.  Two commercially-available PDC bits were tested in a geothermal drilling program in the Chocolate Mountains in Southern California.  These bits drilled the granitic formations with significantly better Rate of Penetration (ROP) and bit life than the roller cone bit they are compared with. Drilling records and bit performance data along with associated drilling cost savings are presented herein.  The drilling trials have demonstrated PDC bit drilling technology has matured for applicability and improvements to geothermal drilling.  This will be especially beneficial for development of Enhanced Geothermal Systems whereby resources can be accessed anywhere within the continental US by drilling to deep, hot resources in hard, basement rock formations.



Tags: before-and-after, ca, california, chocolate-mountains, chocolate-mountains-drilling, drilling, drilling-charts, drilling-records, egs, geothermal, granite, lateral-vibration-spectrum, pdc-bit, performance-data, pictures, rate-of-penetration, roller-cone, socal, southern-california, synthetic-diamond, vibration-spectrum
Organization: Department of Energy
Map of Validation of Innovative Exploration Technologies for Newberry Volcano

A map showing location of wells permitted, drilled and seismic test, as part of validation of innovative exploration technologies done for the Newberry Volcano project in 2012.

Tags: caldera, davenport, drilling, egs, exploration, geothermal, hydrothermal, iet, location, map, maps, newberry, oregon, permits, seismic, volcano, well, well-location
Organization: Department of Energy
Validation of Innovative Exploration Technologies for Newberry Volcano: Drilling Summary

Drilling summary from validation of innovative exploration technologies for Newberry Volcano, including depths, dates, and drilling statistics from 2012

Tags: caldera, data, drilling, drilling-data, egs, exploration, geothermal, hydrothermal, iet, innovative-exploration-technologies, newberry, oregon, statistics, summary, temperature-gradient, tg, tgw, volcano, well, well-data
Organization: Department of Energy
Validation of Innovative Exploration Technologies for Newberry Volcano: GRC Paper on Geothermal Exploration at Newberry

Validation of Innovative Exploration Technologies for Newberry Volcano: 2012 GRC Paper Geothermal Exploration at Newberry

Tags: caldera, egs, exploration, geophysical-exploration, geophysics, geothermal, grc, grc-paper, hydrothermal, iet, newberry, oregon, paper, validation, volcano
Organization: Department of Energy
Validation of Innovative Exploration Technologies for Newberry Volcano: Gravity Report

Report detailing data acquisition, quality, processing, and presentation for the gravity survey conducted on the Newberry Volcano.
(Validation of Innovative Exploration Technologies for Newberry Volcano: Gravity Report of Newberry prepared by Zonge GeoSciences 2012)

Tags: caldera, data-acquisition, deschutes-county, egs, exploration, geophysics, geothermal, gravity, hydrothermal, iet, innovative-exploration-technologies, newberry, oregon, report, survey, volcano
Organization: Department of Energy
Validation of Innovative Exploration Technologies for Newberry Volcano: Raw Gravity Data

Validation of Innovative Exploration Technologies for Newberry Volcano: Raw data used to prepare the Gravity Report by Zonge 2012

Tags: caldera, data, egs, exploration, geophysics, geothermal, gravity, hydrothermal, iet, inoovative-exploration-technologies, newberry, raw, raw-data, volcano
Organization: Department of Energy
Validation of Innovative Exploration Technologies for Newberry Volcano: Shallow Temperature Data

Validation of Innovative Exploration Technologies for Newberry Volcano: Temperature Readings from 7 wells drilled to date by SMU 2012

Tags: caldera, drilling, egs, exploration, geothermal, hydrothermal, iet, innovative-exploration-technologies, newberry, oregon, shallow, temperature, tempterature, volcano, well, wells
Organization: Department of Energy
Validation of Innovative Exploration Technologies for Newberry Volcano: Raw Seismic Data

Validation of Innovative Exploration Technologies for Newberry Volcano: Seismic data - raw  taken by Apex Hipoint for 1st test 2012 (data in .ff format)

Tags: caldera, data, egs, exploration, geophysics, geothermal, hydrothermal, iet, innovative-exploration-technologies, newberry, oregon, raw, raw-data, seismic, seismic-data, volcano
Organization: Department of Energy
Active Management of Integrated Geothermal-CO2 Storage Reservoirs in Sedimentary Formations

Active Management of Integrated Geothermal-CO2 Storage Reservoirs in Sedimentary Formations: An Approach to Improve Energy Recovery and Mitigate Risk: FY1 Final Report
The purpose of phase 1 is to determine the feasibility of integrating geologic CO2 storage (GCS) with geothermal energy production. Phase 1 includes reservoir analyses to determine injector/producer well schemes that balance the generation of economically useful flow rates at the producers with the need to manage reservoir overpressure to reduce the risks associated with overpressure, such as induced seismicity and CO2 leakage to overlying aquifers. Based on a range of well schemes, techno-economic analyses of the levelized cost of electricity (LCOE) are conducted to determine the economic benefits of integrating GCS with geothermal energy production. In addition to considering CO2 injection, reservoir analyses are conducted for nitrogen (N2) injection to investigate the potential benefits of incorporating N2 injection with integrated geothermal-GCS, as well as the use of N2 injection as a potential pressure-support and working-fluid option. Phase 1 includes preliminary environmental risk assessments of integrated geothermal-GCS, with the focus on managing reservoir overpressure. Phase 1 also includes an economic survey of pipeline costs, which will be applied in Phase 2 to the analysis of CO2 conveyance costs for techno-economics analyses of integrated geothermal-GCS reservoir sites. Phase 1 also includes a geospatial GIS survey of potential integrated geothermal-GCS reservoir sites, which will be used in Phase 2 to conduct sweet-spot analyses that determine where promising geothermal resources are co-located in sedimentary settings conducive to safe CO2 storage, as well as being in adequate proximity to large stationary CO2 sources.

Tags: co2-cut, geologic-co2-storage, geothermal, heat-extraction, pressure-management, pressure-support, sedimentary, working-fluid
Organization: Department of Energy
Active Management of Integrated Geothermal-CO2 Storage Reservoirs in Sedimentary Formations

Active Management of Integrated Geothermal-CO2 Storage Reservoirs in Sedimentary Formations: An Approach to Improve Energy Recovery and Mitigate Risk : FY1 Final Report
The purpose of phase 1 is to determine the feasibility of integrating geologic CO2 storage (GCS) with geothermal energy production. Phase 1 includes reservoir analyses to determine injector/producer well schemes that balance the generation of economically useful flow rates at the producers with the need to manage reservoir overpressure to reduce the risks associated with overpressure, such as induced seismicity and CO2 leakage to overlying aquifers. 

This submission contains input and output files of the reservoir model analyses. A reservoir-model "index-html" file has been included to organize the reservoir-model input and output files according to sections of the FY1 Final Report to which they pertain. The recipient should save the file: Reservoir-models-inputs-outputs-index.html in the same directory that the files: Section2.1.*.tar.gz files are saved in.

Tags: artesian-well-flow, brine-reinjection, co2-cut, co2-injection, geologic-co2-storage, geothermal, heat-extraction, pressure-management, pressure-support, sedimentary
Organization: Department of Energy
Active Management of Integrated Geothermal-CO2 Storage Reservoirs in Sedimentary Formations

The purpose of phase 1 is to determine the feasibility of integrating geologic CO2 storage (GCS) with geothermal energy production. Phase 1 includes reservoir analyses to determine injector/producer well schemes that balance the generation of economically useful flow rates at the producers with the need to manage reservoir overpressure to reduce the risks associated with overpressure, such as induced seismicity and CO2 leakage to overlying aquifers. 

This submission contains input and output files of the reservoir model analyses. A reservoir-model "index-html" file has been included to organize the reservoir-model input and output files according to sections of the FY1 Final Report to which they pertain. The recipient should save the file: Reservoir-models-inputs-outputs-index.html in the same directory that the files: Section2.1.*.tar.gz files are saved in.

Tags: artesian-well-flow, co2-cut, co2-injection, geologic-co2-storage, geothermal, heat-extraction, pressure-management, pressure-managment, pressure-support
Organization: Department of Energy
Active Management of Integrated Geothermal-CO2 Storage Reservoirs in Sedimentary Formations

Active Management of Integrated Geothermal-CO2 Storage Reservoirs in Sedimentary Formations: An Approach to Improve Energy Recovery and Mitigate Risk : FY1 Final Report
The purpose of phase 1 is to determine the feasibility of integrating geologic CO2 storage (GCS) with geothermal energy production. Phase 1 includes reservoir analyses to determine injector/producer well schemes that balance the generation of economically useful flow rates at the producers with the need to manage reservoir overpressure to reduce the risks associated with overpressure, such as induced seismicity and CO2 leakage to overlying aquifers. 

This submission contains input and output files of the reservoir model analyses. A reservoir-model "index-html" file has been included to organize the reservoir-model input and output files according to sections of the FY1 Final Report to which they pertain. The recipient should save the file: Reservoir-models-inputs-outputs-index.html in the same directory that the files: Section2.1.*.tar.gz files are saved in.

Tags: artesian-well-flow, co2-cut, co2-injection, geologic-co2-storage, geothermal, heat-extraction, pressure-management, pressure-managment, pressure-support, sedimentary, working-fluid
Organization: Department of Energy
Active Management of Integrated Geothermal-CO2 Storage Reservoirs in Sedimentary Formations

Active Management of Integrated Geothermal-CO2 Storage Reservoirs in Sedimentary Formations: An Approach to Improve Energy Recovery and Mitigate Risk:  FY1 Final Report
The purpose of phase 1 is to determine the feasibility of integrating geologic CO2 storage (GCS) with geothermal energy production. Phase 1 includes reservoir analyses to determine injector/producer well schemes that balance the generation of economically useful flow rates at the producers with the need to manage reservoir overpressure to reduce the risks associated with overpressure, such as induced seismicity and CO2 leakage to overlying aquifers.

This submission contains input and output files of the reservoir model analyses. A reservoir-model "index-html" file has been included to organize the reservoir-model input and output files according to sections of the FY1 Final Report to which they pertain. The recipient should save the file: Reservoir-models-inputs-outputs-index.html in the same directory that the files: Section2.1.*.tar.gz files are saved in.

Tags: artesian-well-flow, co2-cut, co2-injection, geologic-co2-storage, geothermal, heat-extraction, pressure-management, pressure-support, working-fluid
Organization: Department of Energy
Salton Sea Fluid Inclusion Gas Analysis

Fluid inclusion gas analysis for wells in Salton Sea geothermal area, California.  Analyses used in developing fluid inclusion stratigraphy for wells and defining fluids across the geothermal fields.  Each sample has mass spectrum counts for 180 chemical species.

Tags: california, fluid-inclusion, fluid-inclusion-stratigraphy, gas-analysis, geothermal, imperial-valley, mass-spectrometry, salton-sea, sedimentary
Organization: Department of Energy
Fully Coupled Geomechanics and Discrete Flow Network Modeling of Hydraulic Fracturing for Geothermal Applications

The primary objective of our current research is to develop a computational test bed for evaluating borehole techniques to enhance fluid flow and heat transfer in enhanced geothermal systems (EGS). Simulating processes resulting in hydraulic fracturing and/or the remobilization of existing fractures, especially the interaction between propagating fractures and existing fractures, represents a critical goal of our project. This paper details the basic methodology of our approach. Two numerical examples showing the capability and effectiveness of our simulator are also presented.

Tags: discrete-flow-network, egs, enhanced-geothermal-system, fluid-flow, geothermal, geothermal-reservoir-modeling, heat-transfer, hydraulic-fracturing, non-isothermal-unsaturated-flow-and-transport, nuft-code
Organization: Department of Energy
Simulating Complex Fracture Systems in Geothermal Reservoirs Using an Explicitly Coupled Hydro-Geomechanical Model

Low permeability geothermal reservoirs can be stimulated by hydraulic fracturing to create Enhanced (or Engineered) Geothermal Systems (EGS) with higher permeability and improved heat transfer to increase heat production. In this paper, we document our effort to develop a numerical simulator with explicit geomechanics-discrete flow network coupling by utilizing and further advancing the simulation capabilities of the Livermore Distinct Element Code (LDEC). The important modules of the simulator include an explicit finite element solid solver, a finite volume method flow solver, a joint model using the combined FEM-DEM capability of LDEC, and an adaptive remeshing module. The numerical implementation is verified against the classical KGD model. The interaction between two fractures with simple geometry and the stimulation of a relatively complex existing fracture network under different in-situ stress conditions are studied with the simulator.

Tags: egs, enhanced-geothermal-system, flow, fracking, geothermal, hydraulic-fracturing, hydro, hydrofracking, model, modeling, reservoir, rock-mechanics, simulation
Organization: Department of Energy
Investigation of Stimulation-Response Relationships for Complex Fracture Systems in Enhanced Geothermal Reservoirs

Hydraulic fracturing is currently the primary method for stimulating low-permeability geothermal reservoirs and creating Enhanced (or Engineered) Geothermal Systems (EGS) with improved permeability and heat production efficiency.  Complex natural fracture systems usually exist in the formations to be stimulated and it is therefore critical to understand the interactions between existing fractures and newly created fractures before optimal stimulation strategies can be developed.  Our study aims to improve the understanding of EGS stimulation-response relationships by developing and applying computer-based models that can effectively reflect the key mechanisms governing interactions between complex existing fracture networks and newly created hydraulic fractures.  In this paper, we first briefly describe the key modules of our methodology, namely a geomechanics solver, a discrete fracture flow solver, a rock joint response model, an adaptive remeshing module, and most importantly their effective coupling.  After verifying the numerical model against classical closed-form solutions, we investigate responses of reservoirs with different preexisting natural fractures to a variety of stimulation strategies.  The factors investigated include: the in situ stress states (orientation of the principal stresses and the degree of stress anisotropy), pumping pressure, and stimulation sequences of multiple wells.


Tags: discrete-fracture-flow, egs, enhanced-geothermal-system, geothermal, hydraulic-fracturing, modeling, reservoir-stimulation, stimulation
Organization: Department of Energy
Modeling Responses of Naturally Fractured Geothermal Reservoir to Low-Pressure Stimulation

Hydraulic shearing is an appealing reservoir stimulation strategy for Enhanced Geothermal Systems. It is believed that hydro-shearing is likely to simulate a fracture network that covers a relatively large volume of the reservoir whereas hydro-fracturing tends to create a small number of fractures. In this paper, we examine the geomechanical and hydraulic behaviors of natural fracture systems subjected to hydro-shearing stimulation and develop a coupled numerical model within the framework of discrete fracture network modeling. We found that in the low pressure hydro-shearing regime, the coupling between the fluid phase and the rock solid phase is relatively simple, and the numerical model is computationally efficient. Using this modified model, we study the behavior of a random fracture network subjected to hydro-shearing stimulation.

Tags: discrete-fracture-network, egs, enhanced-geothermal-system, geothermal, hydraulic-fracturing, hydraulic-shearing, hydro-shearing, reservoir-modeling, reservoir-stimulation
Organization: Department of Energy
COSO Fluid Inclusion Gas Analysis

Fluid inclusion gas analysis for wells in COSO geothermal area, California.  Analyses used in developing fluid inclusion stratigraphy for wells and defining fluids across the geothermal fields.  Each sample has mass spectrum counts for 180 chemical species.

Tags: california, coso, fluid-inclusion, fluid-inclusion-stratigraphy, gas-analysis, geothermal, mass-spectrometry, sierra-nevada, transform-extension, well-data
Organization: Department of Energy
Proposed Drill Sites

Proposed drill sites for intermediate depth temperature gradient holes and/or deep resource confirmation wells. Temperature gradient contours based on shallow TG program and faults interpreted from seismic reflection survey are shown, as are two faults interpreted by seismic contractor Optim but not by Oski Energy, LLC.

Tags: drill-sites, faults, geospatial-data, geothermal, gis, hot-pot, map-package, nevada, seismic-reflection-survey, temperature-gradient
Organization: Department of Energy
Generalized Displacement Correlation Method for Estimating Stress Intensity Factors

This paper presents a generalized form of the displacement correlation method (the GDC method), which can use any linear or quadratic finite element type with homogeneous meshing without local refinement. These two features are critical for modeling dynamic fracture propagation problems where locations of fractures are not known a priori. Because regular finite elements' shape functions do not include the square-root terms, which are required for accurately representing the near-tip displacement field, the GDC method is enriched via a correction multiplier term. This paper develops the formulation of the GDC method and includes a number of numerical examples, especially those consisting of multiple interacting fractures. An alternative formulation using linear elements is also demonstrated to be accurate for mode-I fracturing, and acceptable mode-II results for most engineering applications can be obtained with appropriate mesh refinement, which remains considerably less than that required by most other methods for estimating stress intensities.

Tags: displacement-correlation-method, fracture-interaction, fracture-mechanics, fracture-propagation, gdc, generalized, geothermal, quarter-point-element, stress-intensity-factor
Organization: Department of Energy