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EnCompassLit is a non-patent literature database of over 930,000 document records from conferences, technical reports, and trade and scientific journals, started by the American Petroleum Institute in 1964 with patent database EnCompassPat and updated weekly.[1] Both the Journals Source List (PDF) and the Monographs, Series and Proceedings Source List (PDF) for EnCompassLit can be found on the Engineering Information website. From June 2001 on, EnCompassLit includes current business and economic news that was formerly included in EnCompass: News.[2]

EnCompassLit is available on Engineering Village and Dialog. In Dialog, EnCompassLit is File 354 (public access) and File 954 (subscribers).[2] EnCompassLit utilizes the EnCompass Thesaurus, which contains over 7,000 technical terms.[1] Users can receive weekly or monthly bulletins about specific subject areas:[3]

  • Automotive
  • Catalysts & Zeolites
  • Fuel Reformation
  • Health and Environment
  • Natural Gas
  • Oil Field Chemicals
  • Petroleum Refining and Petrochemicals
  • Petroleum Substitutes
  • Transportation and Storage
  • Tribology


  1. 1.0 1.1 "EncompassLIT & EnCompassPAT." Engineering Information website, http://www.ei.org/encompasslit_pat. Accessed September 15, 2011.
  2. 2.0 2.1 "Ei EnCompassLIT™." Dialog Bluesheets, http://library.dialog.com/bluesheets/html/bl0354.html. Accessed September 15, 2011.
  3. "EnCompassLit Bulletin Subject Areas." Engineering Information website, http://www.ei.org/LITBulletins. Accessed September 15, 2011.

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