In situ retorting of oil shale with pulsed combustion

In situ retorting with flame front-stabilizing layer of lean oil

In situ roasting and leaching of sulfide minerals

In situ solution mining technique

In situ thermal processing and solution mining of an oil...

In situ thermal processing of an oil shale formation...

In situ values extraction

In-situ chemical reactor for recovery of metals and salts

In-situ chemical reactor for recovery of metals or purification

In-situ coal drying

In-situ leach mining method using branched single well for input

In-situ leaching of uranium

In-situ method and apparatus for sparging gas bubbles

In-situ methods of extracting bitumen values from oil-sand depos

In-situ mining method and apparatus

In-situ mining of copper and nickel

In-situ recovery of constituents from fragmented ore

In-situ recovery of mineral values

In-situ recovery of mineral values with sulfuric acid

In-situ retorting of carbonaceous deposits