Recovery of oil from tar sands

Recovery of oil from tar sands

Recovery of petroleum from oil-bearing sands

Recovery of petroleum from tar sands

Recovery of salvageable components from waste material

Recovery of soluble products from coaly substances

Recovery of tar from tar sands

Recovery of useful materials from refuse fuel ash

Recovery of values from rock asphalt, oil shales and like...

Recovery of values from rock asphalt, oil shales and like...

Recreational mining and prospecting device

Reducing the water and solids contents of bitumen froth...

Regulating the water input in the hot water process

Relocatable countercurrent decantation system

Relocatable oil sand slurry preparation system

Removal of clay from the water streams of the hot water process

Removing hydrophilic minerals from bitumen products

Resinous constituent extracting process

Retorting of oil shale using co2 as heat carrier

Rf applicator for in situ heating