Abstracts Archive

Longwall-induced deformation could compromise the stability of shale gas wells positioned in the abutment pillars of current and future coal reserves. Consequently, gas from the casing(s) could flow towards the mine increasing the risk of explosive gas accumulation beyond the mandated limits. To ass...

Jet fans are extensively used in civil road tunnels, large enclosures (such as underground car parks) and other applications requiring the movement of air in large low-pressure voids but are rarely systematically used in underground mining. Despite a relatively low cost and compact size compared to ...

This paper summarizes the changes in permeability for two boreholes located above an abutment pillar in a longwall coal mine to characterize potential interaction between shale gas wells and the coal mine operations under deep cover. To determine the safety of the mine environment in case of a poten...