Table Summary of onshore basin prospectivity rankings. * Area based on formation extent only; ** Area based on formation and gas window extent. Amadeus Basin Neoproterozoic–Late Larapintine, High 180,000 Large* Unknown Moderate–high Devonian Centralian Bowen Basin Permian–Triassic Gondwanan High 154,000 Large** Low–moderate High Clarence-Moreton Late Triassic–Early ?Murta Moderate 38,000 Small** Too few wells drilled Low–moderate Basin Cretaceous Cooper Basin ?Pennsylvanian– Middle Gondwanan High 127,000 Large** High: contingent High Triassic resources booked Georgina Basin Neoproterozoic– Devonian Larapintine Moderate 330,000 Large* Moderate Moderate Gippsland Basin Cretaceous–Cenozoic Austral 2 Moderate 15,000 Small** High: contingent Moderate (onshore) resources booked Isa Superbasin Undefined Moderate–high 56,000 Large* High: contingent Moderate–high resources booked McArthur Basin Urapungan; High 180,000 Large* High: contingent High McArthur resources booked Otway Basin Jurassic–Cenozoic Austral 1 and 2 Moderate–high 26,000 Medium** High Moderate–high (onshore) Table : Summary of onshore basin confidence rankings based on data density and overall exploration status. Area No of petroleum Approx. no of shale/ Seismic line Exploration status - Exploration status Confidence in Basin (km2) wells tight gas wells (km) conventional gas geological knowledge Amadeus Basin 180,000 ~40 Unknown 12,986 Producing/ mature Under-explored Moderate
Table Summary of onshore basin prospectivity rankings. * Area based on formation extent only; ** Area based on formation and gas window extent. Amadeus Basin Neoproterozoic–Late Devonian Larapintine, Centralian High 180,000 Large* Unknown Moderate–high Bowen Basin Permian–Triassic Gondwanan High 154,000 Large** Low–moderate High Clarence-Moreton Basin Late Triassic–Early Cretaceous ?Murta Moderate 38,000 Small** Too few wells drilled Low–moderate Cooper Basin ?Pennsylvanian– Middle Triassic Gondwanan High 127,000 Large** High: contingent resources booked High Georgina Basin Neoproterozoic– Devonian Larapintine Moderate 330,000 Large* Moderate Moderate Gippsland Basin (onshore) Cretaceous–Cenozoic Austral 2 Moderate 15,000 Small** High: contingent resources booked Moderate Isa Superbasin Undefined Moderate–high 56,000 Large* High: contingent resources booked Moderate–high McArthur Basin Urapungan; McArthur High 180,000 Large* High: contingent resources booked High Otway Basin (onshore) Jurassic–Cenozoic Austral 1 and 2 Moderate–high 26,000 Medium** High Moderate–high Table : Summary of onshore basin confidence rankings based on data density and overall exploration status. Basin Area (km2) No of petroleum wells Approx. no of shale/ tight gas wells Seismic line (km) Exploration status - conventional Exploration status gas Confidence in geological knowledge Amadeus Basin 180,000 ~40 Unknown 12,986 Producing/ mature Under-explored Moderate