{
 "catalogue": {
  "name": "Open Well Data",
  "curator": "Daniel Delgado-Uriarte",
  "orcid": "https://orcid.org/0009-0006-0536-5158",
  "website": "https://danieldelgadouriarte.com",
  "linkedin": "https://www.linkedin.com/in/daniel-delgado-uriarte-b9a523278/",
  "how_to_cite": "Delgado-Uriarte, D. (2026). Open Well Data: an index of public subsurface data sources (Catalogue build 2026-11-04) [Data set]. https://openwelldata.org/",
  "this_record": "North Dakota Geological Survey. North Dakota Geological Survey Core Library. https://www.dmr.nd.gov/dmr/ndgs/library. Page checked by Open Well Data on 2026-11-04. Found through Open Well Data (Delgado-Uriarte, 2026), https://openwelldata.org/source/nd-ngs-core-library/."
 },
 "tipo": "ficha",
 "id": "nd-ngs-core-library",
 "nombre": "North Dakota Geological Survey Core Library",
 "url": "https://www.dmr.nd.gov/dmr/ndgs/library",
 "pais": "EE. UU. (Dakota del Norte)",
 "operador": "North Dakota Geological Survey",
 "categoria": "cientifico",
 "disciplinas": [
  "core"
 ],
 "formatos": [],
 "n_pozos": "no consta",
 "rango_temporal": "no consta",
 "volumen": "no consta",
 "acceso": "no_consta",
 "api": "no consta",
 "requiere_js": "no_consta",
 "licencia": "no consta",
 "licencia_url": "",
 "redistribucion": "no_consta",
 "canales_declarados": [
  "consulta presencial declarada por menú (Library Usage Instructions)"
 ],
 "estado": "verificada_web",
 "evidencia": [
  {
   "url": "https://www.dmr.nd.gov/dmr/oilgas",
   "cita": "Core Sampling Proposal Form"
  },
  {
   "url": "https://www.dmr.nd.gov/oilgas/",
   "cita": "ND Geological Survey Core Library"
  }
 ],
 "notas": "Ficha basada solo en menús y dirección de envío; la página de la biblioteca no se leyó. El menú enlaza Core Analysis, Core Database, Core Photography, Core Samples y Laboratory Capabilities. La toma de muestras usa propuesta con formulario; no se ha rellenado ninguno.",
 "verificacion": {
  "estado_web": "ok",
  "que_es": "Wilson M. Laird Core and Sample Library (ND Geological Survey): 493,404 ft of core (>163,300 boxes) and >55,620 boxes of cuttings, mainly Williston Basin (https://www.dmr.nd.gov/dmr/ndgs/library)",
  "tipo_web": "otro",
  "acceso_web": "abierto (visita gratuita; el listado informático va por la suscripción de NDIC; muestreo con propuesta)",
  "licencia_web": "no consta",
  "formatos_web": "PDF",
  "relevancia": "alta",
  "fecha": "2026-11-04",
  "metodo": "Web reader: one page per source, read without downloading data."
 },
 "tipos_dato": [
  "core",
  "geology"
 ],
 "tipos_dato_metodo": "reglas v1 (scripts/clasifica_tipos.py), 4 nov 2026",
 "variables_declaradas": [
  "permeabilidad_nucleo",
  "porosidad_nucleo"
 ],
 "variables_declaradas_metodo": "reglas v1 (scripts/variables_fuentes.py), menciones explícitas en la ficha, 4 nov 2026",
 "country": "United States",
 "country_inferred": false
}