Worldwide Refinery Survey and Complexity Analysis
Historical (1999-current)

Includes the estimated Nelson Refinery Complexity Index calculated for each refinery. The program provides complexity indices for each major upgrading process such as thermal operations, cat cracking, cat hydrotreating, etc.

Updated annually in January. Minimum 1 mg required.

click HERE to go to the survey list page

click on Survey Name and go to Survey menu page

at bottom of that page click on Download Sample Files (free)

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