Table C.8 Summary of shale and tight gas plays compiled from literature and well completion reports. Formation Age Environment Top Thickness Source rock(s) Source Source rock Play type Exploration status depth (m) (m) rock TOC maturity (Ro) (%) Showgrounds Middle <50 Bandanna Fm and N/A main oil to wet Tight gas preliminary exploration Sandstone Triassic equiv. coals and gas; 0.95-1.15% carbonaceous shales (Type II/III) Rewan Early fluvial-deltaic <400 Bandanna Fm and main oil to wet Tight gas preliminary exploration Formation Triassic equiv. coals and gas; 0.95-1.15% carbonaceous shales (lower) (Type II/III) Bandanna late deltaic <180 Type II/III to Type III; coal main oil to wet Shale/tight preliminary exploration Formation Permian coal, DOM gas; 0.95-1.15% gas Black Alley late Type II/III OM; marine main oil to wet <60 Shale gas preliminary exploration Shale Permian 4,500 shale gas; 0.85-~1.6% Tinowon late shallow 50-100 Wallabella Coal Mb; Main oil to dry Tight gas preliminary exploration Formation Permian Bandanna Fm and gas; equiv. coals and 0.95-1.15% carbonaceous shales; 1.05-~2.0%; early-late Permian marine shales
Table C.8 Summary of shale and tight gas plays compiled from literature and well completion reports. Formation Age Environment Top depth (m) Thickness (m) Source rock(s) Source rock TOC (%) Source rock maturity (Ro) Play type Exploration status Showgrounds Sandstone Middle Triassic <50 Bandanna Fm and equiv. coals and carbonaceous shales (Type II/III) N/A main oil to wet gas; 0.95-1.15% Tight gas preliminary exploration Rewan Formation (lower) Early Triassic fluvial-deltaic <400 Bandanna Fm and equiv. coals and carbonaceous shales (Type II/III) main oil to wet gas; 0.95-1.15% Tight gas preliminary exploration Bandanna Formation late Permian deltaic <180 Type II/III to Type III; coal, DOM coal main oil to wet gas; 0.95-1.15% Shale/tight gas preliminary exploration Black Alley Shale late Permian <60 Type II/III OM; marine shale main oil to wet gas; 0.85-~1.6% Shale gas preliminary exploration Tinowon Formation late Permian shallow 50-100 Wallabella Coal Mb; Bandanna Fm and equiv. coals and carbonaceous shales; early-late Permian marine shales Main oil to dry gas; 0.95-1.15% 1.05-~2.0%; Tight gas preliminary exploration 4,500
gba_stage1_appendices_final_small.docx