{
 "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": "USGS, National Geological and Geophysical Data Preservation Program. NGGDPP Well Log Data (QA/QC guide). https://www.usgs.gov/programs/national-geological-and-geophysical-data-preservation-program/well-log-data. Page checked by Open Well Data on 2026-11-04. Found through Open Well Data (Delgado-Uriarte, 2026), https://openwelldata.org/source/usgs-nggdpp-guia-well-logs/."
 },
 "tipo": "ficha",
 "id": "usgs-nggdpp-guia-well-logs",
 "nombre": "NGGDPP Well Log Data (QA/QC guide)",
 "url": "https://www.usgs.gov/programs/national-geological-and-geophysical-data-preservation-program/well-log-data",
 "pais": "EE. UU.",
 "operador": "USGS, National Geological and Geophysical Data Preservation Program",
 "categoria": "estandar",
 "disciplinas": [
  "wireline_logs"
 ],
 "formatos": [
  "TIFF",
  "LAS",
  "DLIS",
  "DPK",
  "PDS"
 ],
 "n_pozos": "no aplica",
 "rango_temporal": "no consta",
 "volumen": "no consta",
 "acceso": "abierto",
 "api": "no consta",
 "requiere_js": "no",
 "licencia": "no consta",
 "licencia_url": "",
 "redistribucion": "no_consta",
 "canales_declarados": [
  "PDF LAS QA-QC Utilities Jupyter Notebook"
 ],
 "estado": "verificada_web",
 "evidencia": [
  {
   "url": "https://www.usgs.gov/programs/national-geological-and-geophysical-data-preservation-program/well-log-data",
   "cita": "Geophysical well logs in paper format are scanned, saved, and distributed in tagged image file format (TIFF)."
  }
 ],
 "notas": "No contiene datos de pozo: describe el proceso del Kentucky Geological Survey de TIFF a LAS y problemas típicos de LAS (columnas duplicadas, profundidades sin cero), con LASIO, Welly y LAS Certify. La URL facilitada sigue viva. Solo la imagen de la página lleva Public Domain.",
 "nombre_en": "NGGDPP Well Log Data (QA/QC guide)",
 "verificacion": {
  "estado_web": "ok",
  "que_es": "USGS NGGDPP guide on scanning and converting paper well logs to LAS (KGS workflow) with a \"LAS QA-QC Utilities\" Jupyter notebook",
  "tipo_web": "otro",
  "acceso_web": "abierto",
  "licencia_web": "«Public Domain» (crédito de imagen)",
  "formatos_web": "TIFF, LAS, DLIS, DPK, PDS, ipynb",
  "relevancia": "media",
  "fecha": "2026-11-04",
  "metodo": "Web reader: one page per source, read without downloading data."
 },
 "tipos_dato": [
  "geology",
  "standards",
  "wireline_logs"
 ],
 "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",
 "nombre_es": "NGGDPP Well Log Data (guía de QA-QC)",
 "country": "United States",
 "country_inferred": false
}