@prefix dcat: <http://www.w3.org/ns/dcat#> .
@prefix dct: <http://purl.org/dc/terms/> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix gsp: <http://www.opengis.net/ont/geosparql#> .
@prefix locn: <http://www.w3.org/ns/locn#> .
@prefix vcard: <http://www.w3.org/2006/vcard/ns#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<https://data.amerigeoss.org/dataset/2bf34e7b-4e37-4691-a2b6-0c32e23e78da> a dcat:Dataset ;
    dct:description "Lab-scale stimulation work on non-porous fused silica (similar mechanical properties to igneous rock) was performed using pure water, pure CO2 and water/CO2 mixtures to compare back to back fracturing performance of these fluids with PNNL's StimuFrac." ;
    dct:identifier <https://data.openei.org/submissions/7062> ;
    dct:issued "2016-07-06T06:00:00+00:00"^^xsd:dateTime ;
    dct:modified "2018-06-12T21:49:51+00:00"^^xsd:dateTime ;
    dct:publisher <https://data.amerigeoss.org/organization/727dbdd5-3f98-4ac0-9d28-5e344558139b> ;
    dct:spatial [ a dct:Location ;
            locn:geometry "POLYGON ((-119.2904 46.3391, -119.2904 46.3391, -119.2904 46.3391, -119.2904 46.3391, -119.2904 46.3391))"^^gsp:wktLiteral ] ;
    dct:title "Lab-Scale Stimulation Results on Surrogate Fused Silica Samples" ;
    dcat:contactPoint [ a vcard:Organization ;
            vcard:fn "Carlos Fernandez" ;
            vcard:hasEmail <mailto:carlos.fernandez@pnnl.gov> ] ;
    dcat:distribution <https://data.amerigeoss.org/dataset/2bf34e7b-4e37-4691-a2b6-0c32e23e78da/resource/5019497d-e3f1-46a0-ba7a-1221abe09983> ;
    dcat:keyword "AmeriGEO",
        "AmeriGEOSS",
        "CKAN",
        "GEO",
        "GEOSS",
        "National",
        "North America",
        "United States",
        "effective-pressure",
        "egs",
        "fracking-fluid",
        "fracturing-proformance",
        "fused-silica",
        "geothermal",
        "hydraulic-fracturing",
        "lab-scale-stimulation",
        "measured-effective-pressure",
        "pressure",
        "quartz",
        "reservoir-stimulation",
        "stimufrac",
        "supercritical-co2" .

<https://data.amerigeoss.org/dataset/2bf34e7b-4e37-4691-a2b6-0c32e23e78da/resource/5019497d-e3f1-46a0-ba7a-1221abe09983> a dcat:Distribution ;
    dct:description "Xls sheet with confining and fracking pressure values at 200degC including comparative overpressures required to fracture fused silica surrogate materials with mechanical properties similar to igneous rock using conventional fluids as well as PNNL's StimuFrac" ;
    dct:format "XLS" ;
    dct:issued "2025-01-11T22:25:30.393501"^^xsd:dateTime ;
    dct:modified "2025-09-23T14:32:26.439505"^^xsd:dateTime ;
    dct:title "Fused Silica Samples Fracking Summary Data.xlsx" ;
    dcat:accessURL <https://gdr.openei.org/files/872/SUMMARY%20Fused%20Silica%20samples%20fracking_Q4.xlsx> ;
    dcat:mediaType "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet" .

<https://data.amerigeoss.org/organization/727dbdd5-3f98-4ac0-9d28-5e344558139b> a foaf:Agent ;
    foaf:name "US Migrating" .