Removing bitumen from tar sands with a double solvent...
Removing contaminant from a hydrocarbonaceous fluid
Removing haze from dewaxed hydrocarbon oil mixture boiling...
Rendering oily wastes landtreatable or usable
Resid cracking process and apparatus
Resid desulfurization and demetalation
Resid hydroprocessing catalyst and method
Resid hydrotreating with high temperature flash drum recycle...
Resid hydrotreating with resins
Residual fuel deriving from petroleum crude by hydrogenation
Residual oil cracking process using dry gas as lift gas...
Residual oil cracking with high surface area ultrastable...
Residual oil feed system for fluid catalytic cracking
Residual oil refining process
Residual oil sludge dispersant
Residue conversion process including two deasphaltings in a row
Residue hydrodesulfurization process with catalysts whose...
Residue hydrodesulfurization process with catalysts whose...
Residuum processing
Retort of oil shale, oil sands bitumen, coal and hydrocarbon...