The report by SRK Consulting increased the estimated prospective gas resources across the company's tenements from 34 trillion cubic feet to 57 Tcf.

Armour said the update included maiden prospective gas resources from from the Tawallah group unconventional reservoirs, in the Northern Territory's McArthur basin, and the Riversleigh shale located beneath the Lawn Hill shale in ATP 1087, Queensland.

The report also took into account a new combined inventory totalling 193 conventional leads and prospects in the Northern Territory which could target 4.9