Nitrogen Injection To Flush Coal Seam Gas Out Of Coal: An Experimental Study

Several mines operating in the Bulli seam of the Sydney Basin in NSW, Australia are experiencing difficulties in reducing gas content within the available drainage lead time in various sections of the coal deposit. Increased density of drainage boreholes has proven to be ineffective, particularly in sections of the coal seam rich in CO 2 . Plus with the increasing worldwide concern on green house gas reduction and clean energy utilisation,...