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Brady Hot Springs Seismic Modeling Data for Push-Pull ProjectSource

This submission includes synthetic seismic modeling data for the Push-Pull project at Brady Hot Springs, NV. The synthetic seismic is all generated by finite-difference method regarding different fracture and rock properties.

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Brady Hot SpringsCO2NVNevadaVSPactive sourceboreholedataenergyfinite differencefracturefracturedgeologicgeophysicalgeophysicsgeothermalmediamodelingnon-fracturednumericalnumerical modelingpropertiespropertypush-pullrocksaturationseismicsyntheticvelocityvertical seismic profiling
Formats:
dat
National Renewable Energy Laboratory (NREL)about 1 year ago
Geocellular Model of Mt. Simon Sandstone for University of Illinois at Urbana-Champaign DDU feasibility studySource

The geocellular model of the Mt. Simon Sandstone was constructed for the University of Illinois at Urbana-Champaign DDU feasibility study. Starting with the initial area of review (18.0 km by 18.1 km [11.2 miles by 11.3 miles]) the boundaries of the model were trimmed down to 9.7 km by 9.7 km (6 miles by 6 miles) to ensure that the model enclosed a large enough volume so that the cones of depression of both the production and injection wells would not interact with each other, while at the same time minimizing the number of cells to model to reduce computational time. The grid-cell size was set to 61.0 m by 61.0 m (200 feet by 200 feet) for 160 nodes in the X and Y directions. Within the model, 67 layers are represented that are parameterized with their sediment/rock properties and petrophysical data. The top surface of the Mt. Simon Sandstone was provided by geologists working on the project, and the average thickness of the formation was taken from the geologic prospectus they provided. An average thickness of 762 m (2500 feet) was used for the Mt. Simon Sandstone, resulting in 60 layers for the model. Petrophysical data was taken from available rotary sidewall core data (Morrow et al., 2017). As geothermal properties (thermal conductivity, specific heat capacity) are closely related to mineralogy, specifically the percentage of quartz, available mineralogical data was assembled and used with published data of geothermal values to determine these properties (Waples and Waples, 2004; Robertson, 1988). The Mt. Simon Sandstone was divided into three separate units (lower, middle, upper) according to similar geothermal and petrophysical properties, and distributed according to available geophysical log data and prevailing interpretations of the depositional/diagenetic history (Freiburg et al. 2016). Petrophysical and geothermal properties were distributed through geostatistical means according to the associated distributions for each lithofacies. The formation temperature was calculated, based on data from continuous temperature geophysical log from a deep well drilled into the Precambrian basement at the nearby Illinois Basin Decatur Project (IBDP) where CO2 is currently being sequestered (Schlumberger, 2012). Salinity values used in the model were taken from regional studies of brine chemistry in the Mt. Simon Sandstone, including for the IBDP (e.g., Panno et al. 2018). After being reviewed by the project's geologists, the model was then passed onto the geological engineers to begin simulations of the geothermal reservoir and wellbores.

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3-D3DDDUDeep Direct-UseIllinoisIllinois BasinMt. Simon SandstoneSt. PeterUniversity of Illinois at Urbana Champaigncharacterizationdensitydepthenergyfeasibilitygeocellular modelinggeologicgeologygeothermalheat capacityhydrologicmechanicalmodelpermeabilitypetrophisicalporositypropertiesreservoirstructuralthermalthermal conductivitythickness
Formats:
ZIPXLSXDOCX
National Renewable Energy Laboratory (NREL)about 1 year ago
Geocellular model of St. Peter Sandstone for University of Illinois at Urbana-Champaign DDU Feasibility StudySource

The geocellular model of the St. Peter Sandstone was constructed for the University of Illinois at Urbana-Champaign DDU feasibility study. Starting with the initial area of review (18.0 km by 18.1 km [11.2 miles by 11.3 miles]) the boundaries of the model were trimmed down to 9.7 km by 9.7 km (6 miles by 6 miles) to ensure that the model enclosed a large enough volume so that the cones of depression of both the production and injection wells would not interact with each other, while at the same time minimizing the number of cells to model to reduce computational time. The grid-cell size was set to 61.0 m by 61.0 m (200 feet by 200 feet) for 160 nodes in the X and Y directions. The top surface of the St. Peter Sandstone was provided by geologists working on the project, and the average thickness of the formation was taken from the geologic prospectus they provided. An average thickness of 68.6 m (225 feet) was used for the St. Peter Sandstone, resulting in 45 layers for the model. Petrophysical data was taken from available rotary sidewall core data (Morrow et al., 2017). As geothermal properties (thermal conductivity, specific heat capacity) are closely related to mineralogy, specifically the percentage of quartz, available mineralogical data was assembled and used with published data of geothermal values to determine these properties (Waples and Waples, 2004; Robertson, 1988). The St. Peter Sandstone was divided into facies according to similar geothermal and petrophysical properties, and distributed according to available geophysical log data and prevailing interpretations of the depositional/diagenetic history (Will et al. 2014). Petrophysical and geothermal properties were distributed through geostatistical means according to the associated distributions for each lithofacies. The formation temperature was calculated, based on data from continuous temperature geophysical log from a deep well drilled into the Precambrian basement at the nearby Illinois Basin Decatur Project (IBDP) where CO2 is currently being sequestered (Schlumberger, 2012). Salinity values used in the model were taken from regional studies of brine chemistry in the St. Peter Sandstone, including for the IBDP (e.g., Panno et al. 2018). After being reviewed by the project's geologists, the model was then passed onto the geological engineers to begin simulations of the geothermal reservoir and wellbores.

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Tags:
3-D3DDDUDeep Direct-UseIllinoisIllinois BasinMt SimonSt. Peter SandstoneUniversity of Illinois at Urbana-Champaigncharacterizationdensitydepthenergyfeasibilitygeocellular modelinggeologicgeologygeothermalheat capacityhydrologicmechanicalmodelpermeabilitypetrophysicalporositypropertiesreservoirspecific heat capacitystructuralthermalthermal conductivitythickness
Formats:
ZIPXLSXDOCX
National Renewable Energy Laboratory (NREL)about 1 year ago
Material Properties for Brady Hot Springs Nevada USA from PoroTomo ProjectSource

The PoroTomo team has completed inverse modeling of the three data sets (seismology, geodesy, and hydrology) individually, as described previously. The estimated values of the material properties are registered on a three-dimensional grid with a spacing of 25 meters between nodes. The material properties are listed an Excel file. Figures show planar slices in three sets: horizontal slices in a planes normal to the vertical Z axis (Z normal), vertical slices in planes perpendicular to the dominant strike of the fault system (X normal), and vertical slices in planes parallel to the dominant strike of the fault system (Y normal). The results agree on the following points. The material is unconsolidated and/or fractured, especially in the shallow layers. The structural trends follow the fault system in strike and dip. The geodetic measurements favor the hypothesis of thermal contraction. Temporal changes in pressure, subsidence rate, and seismic amplitude are associated with changes in pumping rates during the four stages of the deployment in 2016. The modeled hydraulic conductivity is high in fault damage zones. All the observations are consistent with the conceptual model: highly permeable conduits along faults channel fluids from shallow aquifers to the deep geothermal reservoir tapped by the production wells.

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Tags:
3DBrady Hot SpringsNevadaPoissons ratioYoungs modulusconceptualconduitdensitydipenergyfaultfluidfracturedgeodesygeologygeothermalhydraulic conductivityhydrologyinterferometryinversionlithologymaterialmodelmodelingp-wavepermeableporoelastic tomographyporotomopressurepropertiespropertypumpingratereservoirs-waveseismicseismic amplitudeseismologyshallowstrain ratestrikestructuralsubsidencetemperaturethermal contractiontrendsunconsolidatedvelocityzone
Formats:
matXLSXCSVZIPPDF
National Renewable Energy Laboratory (NREL)about 1 year ago
Public Housing DevelopmentsSource

Public Housing DevelopmentsThis National Geospatial Data Asset (NGDA) dataset, shared as a Department of Housing and Urban Development (HUD) feature layer, displays the locations of public housing developments in the United States. Per HUD, "Public housing was established to provide decent and safe rental housing for eligible low-income families, the elderly, and persons with disabilities. Public housing comes in all sizes and types, from scattered single-family houses to high rise apartments for elderly families."D.C. Housing AuthorityData currency: current federal service (Public Housing Developments)Data.gov: Assisted Housing - Public Housing Developments - National Geospatial Data Asset (NGDA)Geoplatform: Not AvailableOGC API Features Link: Not AvailableFor more information, please visit: Public HousingSupport documentation: see Data Dictionary: DD_Public Housing DevelopmentsFor feedback, please contact: Esri_US_Federal_Data@esri.comNGDA Data SetThis data set is part of the NGDA Real Property Theme Community. Per the Federal Geospatial Data Committee (FGDC), Real Property is defined as "the spatial representation (location) of real property entities, typically consisting of one or more of the following: unimproved land, a building, a structure, site improvements and the underlying land. Complex real property entities (that is "facilities") are used for a broad spectrum of functions or missions. This theme focuses on spatial representation of real property assets only and does not seek to describe special purpose functions of real property such as those found in the Cultural Resources, Transportation, or Utilities themes."For other NGDA Content: Esri Federal Datasets

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Tags:
Department of Housing and Urban DevelopmentFGDCFederal Geospatial Data CommitteeHUDNGDANational Geospatial Data AssetPublic Housing Developmentscommunitydevelopmentsfacilitiesfederalfederal aidhousinghousing agencieslow-income familieslow-income residentspropertiespublic housingpublic housing unitsrental housing
Formats:
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The Federal Emergency Management Agency (FEMA)about 1 year ago
Raft River Geothermal Area Logical and Fact Data ModelsSource

This submission includes fact and logical data models for geothermal data concerning wells, fields, power plants and related analyses at Raft River, ID. The fact model is available in VizioModeler (native), html, UML, ORM-Specific, pdf, and as an XML Spy Project. An entity-relationship diagram is also included. Models are derived from tables, figures and other content in the following reports from the Raft River Geothermal Project: "Technical Report on the Raft River Geothermal Resource, Cassia County, Idaho," GeothermEx, Inc., August 2002. "Results from the Short-Term Well Testing Program at the Raft River Geothermal Field, Cassia County, Idaho," GeothermEx, Inc., October 2004.

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Tags:
ERERDSpy Projectanalysisattributecassia countyclassconceptual modeldata modeleditorentity-relationshipfact modelfieldgeothermalgeothermexhtmlidahological modelnativeormpdfpower plantprojectpropertiesraft riverumlus geothermalviziomodelerwellxmixmlxml spy
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PDFIMOHTMLXMLspp
National Renewable Energy Laboratory (NREL)about 1 year ago
The thermodynamic properties of benzothiazole and benzoxazole

The thermodynamic properties of benzothiazole and benzoxazole NIPER-533

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Tags:
Geologybenzothiazolebenzoxazoleniperpropertiesthermodynamic
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HTML
National Energy Technology Laboratory (NETL)about 1 year ago
Thermodynamic properties of 9-methylcarbazole and 1,2,3,4-tetrahydro-9-methylcarbazole

Removal of carbazole and its derivatives from heavy petroleum has proved to be particularly difficult using present technology. Studies have shown carbazole and its alkyl-homologs are the dominant nitrogen-containing components in clarified slurry oils, thereby indicating their low reactivity and/or formation during cat-cracking processes. The results reported here will point the way to the development of new methods of nitrogen removal from carbazole and its derivatives. Measurements leading to the calculation of the ideal-gas thermodynamic properties are reported for 9-methylcarbazole and 1,2,3,4-tetrahydro-9-methylcarbazole. For studies on 1,2,3,4-tetrahydro-9-methylcarbazole experimental methods included combustion calorimetry, adiabatic heat-capacity calorimetry, vibrating-tube densitometry, comparative ebulliometry, inclined-piston gauge manometry, and differential-scanning calorimetry (d.s.c.). Adiabatic heat-capacity and combustion calorimetric studies were reported previously for 9-methylcarbazole. Vapor pressures by comparative ebulliometry and inclined-piston gauge manometry, and heat-capacities for the liquid phase by d.s.c. are reported here. Entropies, enthalpies, and Gibbs energies of formation were derived for the ideal gas for both compounds for selected temperatures between 298.15 K and near 700 K. The Gibbs energies of formation will be used in a subsequent report in thermodynamic calculations to study the reaction pathway of the initial hydrogenation step in the carbazole/H{sub 2} hydrodenitrogenation network. 52 refs., 9 figs., 15 tabs.

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Tags:
GeologyThermodynamicmethylcarbazolepropertiestetrahydro
Formats:
PDF
National Energy Technology Laboratory (NETL)about 1 year ago
Triton-C Point Absorber Preliminary System Design PackageSource

Preliminary System Design Package for the Triton-C WEC, including a report and CAD drawings pertaining to the overall preliminary design, system arrangement, surface float hull, and surface float arrangement.

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Tags:
CADDesignHydrokineticMHKMarineOscilla PowerWECabsorberanchorarrangementconditionsdrawingsdrivetrainefficiencyfailurefloathullloadslow costmode analysismooringmulti-modeperformancepointpoint absorberpoint absorber buoypower productionpreliminarypropertiesreaction structurereportstrategysurface floatsurvivalsystemsystem loadssystem performancetarget masstechnologywavewave conditionswave energy converter
Formats:
DOCXPDF
National Renewable Energy Laboratory (NREL)about 1 year ago
Understanding Constraints on Geothermal Sustainability Through Reservoir Characterization at Brady Geothermal Field, NevadaSource

The vast supply of geothermal energy stored throughout the Earth and the exceedingly long time required to dissipate that energy makes the world's geothermal energy supply nearly limitless. As such, this resource holds the potential to provide a large supply of the world's energy demands; however, like all natural resources, it must be utilized in an appropriate manner if it is to be sustainable. Understanding sustainable use of geothermal resources requires thorough characterization efforts aimed at better understanding subsurface properties. The goal of this work is to understand which critical subsurface properties exert the most influence on sustainable geothermal production as a means to provide targeted future resource characterization strategies. Borehole temperature and reservoir pressure data were analyzed to estimate reservoir thermal and hydraulic properties at an active geothermal site. These reservoir properties then served as inputs for an analytical model which simulated net power production over a 30-year period. The analytical model was used to conduct a sensitivity analysis to determine which parameters were most critical in constraining the sustainability of a geothermal reservoir. Modeling results reveal that the number of preferential flow pathways (i.e. fractures) used for heat transport provides the greatest impact on geothermal reservoir sustainability. These results suggest that early and pre-production geothermal reservoir exploration would achieve the greatest benefit from characterization strategies which seek to delineate the number of active flow pathways present in the system.

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No licence known
Tags:
Brady Hot SpringsDTSNevadaPoroTomoanalysisanalyticalassessmentborehole pressureborehole temperaturecharacterizationdistributed temperature sensingenergyflowflow pathsfracturesgeothermalheathydraulichydrogeologyidentificationmodelnumericalparameterspathwayspower productionpreferentialpressureproductionpropertiesreservoirreservoir characterizationresorcesensitivitysimulationsubsurface propertiessustainabilitysustainable usetemperaturethermaltransport
Formats:
PDF
National Renewable Energy Laboratory (NREL)about 1 year ago
Wildlife AreasSource

WDFW cartography staff create map content designed to inform map viewers where certain types of recreation opportunities are promoted on WDFW Wildlife Areas. This layer is created from WDFW parcel data using parcel attributes to define where these targeted recreation opportunities exist. There are currently two focused map content areas, one is to support the GoHunt application where hunting opportunities are promoted. The other is used to identify WDFW lands where a Washington Discover Pass is required. The Recreation Access Code, managed in the WDFW_Lands feature class, is used to define which parcels are dissolved into this feature class. Recreation Access Code values that are brought across as a result of a standard definition query are: 1 - Parcels managed within a designated Wildlife Area and not restricted in any way for being displayed on GoHunt or Discover Pass maps; 4 - Parcels designated by the Wildlife Program for exclusion from GoHunt activities; 5 - Parcels designated by the Wildlife Program for exclusion from the Discover Pass. Users of this feature class can use ArcMap definition queries to appropriately display either GoHunt or Discover Pass map content. This feature class displays the finest scale of the Wildlife Area administrative hierarchy that consists of Widlife Area Complexes, Wildlife Areas and Wildlife Area Units. There are several fields in this data that can be used to label maps with the Wildlife Area Unit name.

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No licence known
Tags:
boundariescadastralpropertiespropertyreal estatewildlife areaswildlife units
Formats:
HTMLArcGIS GeoServices REST APICSVGeoJSONZIPKML
The Washington State Department of Ecology10 months ago