Enhanced oil recovery from western United States type oil shale

Enhanced recovery of hydrocarbonaceous fluids from oil shale

Enhanced recovery of hydrocarbonaceous fluids from the oil shale

Enhanced removal of nitrogen and sulfur from oil-shale

Extra light hydrocarbon liquids

Extraction and upgrading of fossil fuels using fused caustic and

Extraction of oil shales and tar sands

Extraction of oil using amides

Extraction of tar sands or oil shale with organic sulfoxides or

Extraction process

Extrusion oil composition for carbon electrode manufacture

Feed mixing chute and packed bed for pyrolyzing hydrocarbonaceou

Fine particulate removal from oil shale on a travelling grate re

Finished lubricating comprising lubricating base oil with...

Fischer-tropsch wax composition and method of transport

Fluid bed retorting process with multiple feed lines

Fluid for electrical discharge machining

Fluidized bed hydroretorting of oil shale

Fluidized bed process for retorting oil shale

Fluidized bed retorting of tar sands