I haven't heard it mentioned. This is off their site.
-Kentucky USA will utilize typical air drilling techniques into the New Albany Shale =All well bores will be logged and completed based on acceptable industry standards for the formation =Lateral hydro-jetting will be performed where applicable, allowing multiple 500’ horizontal (lateral) holes to be drilled out from the vertical well bore -The formations will be treated by fracturing the shale with Nitrogen at high injection rate