General layout of an underground coal gasifier. Note: not to scale

Underground Coal Gasification (UCG), its Potential Prospects and

PDF) Unconventional Oil Production From Underground Coal Gasification And Gas To Liquids Technologies

Assessment of coal gasification in a pressurized fixed bed

Underground coal gasification – Part I: Field demonstrations and

Evidence of coal conversion in the Majuba underground coal

Effects of throat sizing and gasification agents in a biomass

Evidence of coal conversion in the Majuba underground coal

Underground coal gasification: Option for decarbonisation and

Underground coal gasification with CCS: a pathway to decarbonising