Contact of a crude feed with one or more catalysts produces a total product that include a crude product. The crude feed has a total content of alkali metal, and alkaline-earth metal, in metal salts of organic acids of at least 0.00001 grams per gram of crude feed. At least one of the catalysts includes...http://www.google.com/patents/US7837863?utm_source=gb-gplus-sharePatent US7837863 - Systems, methods, and catalysts for producing a crude product