Method of preparing electrode pitches

Method of processing oil-shale or tar sand

Method of recovery of oil and bitumen from oil-sands and oil sha

Method of reducing sludge accumulation from tar sands hot water

Method of removing bitumen from tar sand for subsequent recovery

Method of removing bitumen from tar sand utilizing ultrasonic en

Method of separating bitumen from tar sand with cold solvent

Method of separating bitumin from bituminous sands and preparing

Method of sludge disposal related to the hot water extraction of

Method of solvent extraction of coal by a heavy oil

Method of treating shales

Methods and systems for manufacturing modified asphalts

Methods and systems for modifying asphalts

Methods and systems for modifying asphalts

Methods and systems for modifying asphalts

Modified coal-tar pitch

Modified staged turbulent bed process for retorting carbon conta

Molten salt hydroconversion process

Multi-phase separation methods and apparatus

Multiple stage desalting and dedusting process