{
 "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": "Ground Water Protection Council. FracFocus. https://fracfocus.org/. Page checked by Open Well Data on 2026-11-04. Found through Open Well Data (Delgado-Uriarte, 2026), https://openwelldata.org/source/fracfocus/."
 },
 "tipo": "ficha",
 "id": "fracfocus",
 "nombre": "FracFocus",
 "url": "https://fracfocus.org/",
 "pais": "EE. UU.",
 "operador": "Ground Water Protection Council",
 "categoria": "agregador",
 "disciplinas": [
  "completions",
  "otros"
 ],
 "formatos": [
  "MS SQL Server backup",
  "CSV",
  "ZIP"
 ],
 "n_pozos": "no consta (contador vacío sin JS)",
 "rango_temporal": "enero de 2011 a la actualidad",
 "volumen": "no consta",
 "acceso": "abierto",
 "api": "no consta",
 "requiere_js": "no",
 "licencia": "Data downloaded from the FracFocus site may be used without restriction. / The FracFocus data may not be altered in any way.",
 "licencia_url": "https://fracfocus.org/terms",
 "redistribucion": "restringida",
 "canales_declarados": [
  "descarga SQL y CSV de O&G",
  "descarga SQL y CSV de no O&G",
  "Find a Well"
 ],
 "estado": "verificada_web",
 "evidencia": [
  {
   "url": "https://fracfocus.org/data-download",
   "cita": "in both MS SQL Server backup and CSV formats"
  },
  {
   "url": "https://fracfocus.org/data-download",
   "cita": "This download will be updated 5 days a week"
  },
  {
   "url": "https://fracfocus.org/terms",
   "cita": "Data downloaded from the FracFocus site may be used without restriction."
  },
  {
   "url": "https://fracfocus.org/terms",
   "cita": "You agree not to sell, resell, reproduce, duplicate, copy or use for any commercial purposes any portion of this site."
  }
 ],
 "notas": "Los términos son contradictorios: uso sin restricción de lo descargado, pero sin alterar los datos; se permite agregar o combinar con otros datasets; y una cláusula general veta el uso comercial de 'any portion of this site'. Conviene aclararlo antes de redistribuir. Descargar implica aceptar los términos. Formato 1.0 (2011 a 31-05-2013) solo trae cabecera; 2.0-4.0 trae químicos; Water Source opcional desde 12/1/2023. Data dictionary en el readme. No se descargó nada.",
 "verificacion": {
  "estado_web": "ok",
  "que_es": "National hydraulic fracturing chemical disclosure registry since 2011 (oil and gas plus non-O&G wells)",
  "tipo_web": "dataset",
  "acceso_web": "abierto (descarga completa pública)",
  "licencia_web": "no consta (enlace a «Terms and Conditions»)",
  "formatos_web": "SQL (descarga completa)",
  "relevancia": "media",
  "fecha": "2026-11-04",
  "metodo": "Web reader: one page per source, read without downloading data."
 },
 "tipos_dato": [
  "completions",
  "well_headers"
 ],
 "tipos_dato_metodo": "reglas v1 (scripts/clasifica_tipos.py), 4 nov 2026",
 "variables_declaradas": [],
 "variables_declaradas_metodo": "reglas v1 (scripts/variables_fuentes.py), menciones explícitas en la ficha, 4 nov 2026",
 "country": "United States",
 "country_inferred": false
}