Development and integration of underground coal gasification (UCG) for improving the environmental impact of advanced power plants
M. Green, UCG Engineering Ltd, UK
This chapter discusses the process of underground coal gasification from the basic operating principles through to the criteria for geological site selection and the options for syngas utilisation. It reviews how UCG has developed in recent years in coal-producing countries. The application of directional drilling and completion from the oil and gas industry has provided an opportunity for UCG in deeper coal seams. Environmental, regulatory and licensing issues for UCG are examined and the importance of UCG with combined CO2 capture and storage as a viable and ...