Method and apparatus for pyrolyzing oil shale

Method and apparatus for recovering carbon products from oil sha

Method and apparatus for retorting oil shale

Method and apparatus for separating slurries and emulsions

Method and apparatus for separation of bitumen from tar sands

Method and apparatus for solvent extraction

Method and appratus for extracting tar sand

Method for aboveground separation, vaporization and recovery of

Method for combining coal liquefaction and gasification processe

Method for converting coal to upgraded liquid product

Method for destructive distillation of hydrocarbonaceous materia

Method for extracting an oil content from oil shale

Method for extracting hydrocarbons from oil shale

Method for extracting oil from oil shale

Method for extraction of bituminous material

Method for extraction solvent recovery

Method for filtering solvent and tar sand mixtures

Method for hydroconversion of solid carbonaceous materials

Method for hydrocracking a heavy polynuclear hydrocarbonaceous f

Method for interconnecting thermally and pressure-stressed multi