I wish Chevron the best with its process.
http://www.greencarcongress.com/2008/03/chevron-unveils.html
Chevron Unveils New Refining Technology That Converts Ultra-Heavy Oil Into Fuel; Up to 100% Conversion
7 March 2008
Chevron’s basic heavy-oil conversion process. The key is the preparation of the highly active catalyst incorporating the use of vacuum gas oil (vacuum resid). Click to enlarge.
Chevron Corporation plans to build a pre-commercial plant at its refinery in Pascagoula, Miss., to test the technical and economic viability of a new heavy-oil upgrading technology called Vacuum Resid Slurry Hydrocracking (VRSH). VRSH has the potential to significantly increase yields of gasoline, diesel and jet fuel from heavy and ultra-heavy crude oils and could be used to increase and upgrade production of heavy oil resources, according to Chevron