Recovery of bituminous products from tar sands

Recovery of catalyst from coal liquefaction residues

Recovery of catalysts from the hydrogenation of coal

Recovery of coal liquefaction catalysts

Recovery of fuel from oil shale

Recovery of hydrocarbon from dilution centrifuging tailings

Recovery of hydrocarbon values by controlled eduction and oxidat

Recovery of hydrocarbon values from low organic carbon content c

Recovery of hydrocarbonaceous material from tar sands

Recovery of hydrocarbons from tar sands

Recovery of oil and gas from oil shale

Recovery of oil from oil sands

Recovery of oil from oil shale

Recovery of oil from oil shale

Recovery of oil from oil shale

Recovery of oil from oil-bearing carbonates

Recovery of oil from oil-bearing limestone

Recovery of oil from tar sands

Recovery of oil from tar sands

Recovery of retorted shale from an oil shale retorting process