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Petroleum / Crude Oil (Clasification (Sulfur content (Sulfur is considered…

- - - - Sulfur can corrode metal in a refining process, generating complications
        
        Sour petroleum: more 0.5% sulfur content
        
        Sweet petroleum: less 0.5% sulfur content
  - - - Greater than 10: "light" petroleum
        
        Less than 10 points: "heavy" petroleum
  - - - West Texas Intermadiate
      - Brent Crude
      - Dubai and Oman crude
- - - - Finally, they transform into hydrocarbons
- - - - Its extracted and passed through a shale shaker which removes any unwanted solids
        
        After the extraction, it initiates the refining process
- - - - Liquids and vapors purify the petroleum and start different process
        
        Reforming
        
        Alkylation
        
        Cracking