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Shale oil extraction and CO2 sequestration by a novel method of hot gas injection

Michael Youtsos (Energy)

 

A new method, under investigation, could mean that vast deposits of shale (an organic oil-rich solid) have the potential to deliver fuel oils and gases with 50% less of a conventional CO2 footprint. A reacting multiphase flow model was developed to simulate the thermal decomposition of shale and the subsequent transport of its products (fuel oils and gases) in a porous medium. Using this tool, the new method of extraction was modelled and its energy efficiency and environmental footprint were investigated. Currently we estimate 30-40% less CO2 impact while maintaining a 7 to 1 energy output to input ratio.