Table C.54 Summary of shale and tight gas plays (compiled from Munson et al., 2014; UPR, 2015; Revie, 2017a). Formation Age Environment Top Thickness Source Source rock Source rock Play type Exploration status depth (m) (m) rock(s) TOC (%) maturity Kyalla Mesoproterozoic shallow to 550–990 0–800 Type I to II 2–3% Early oil–gas shale gas Active exploration Formation moderately deep window (Origin, 2017) Max 4% (Roper Group) marine Moroak Mesoproterozoic tide-dominated 320–1,715 2.5–485 N/A N/A N/A tight gas Unknown Sandstone shoreline (Roper Group) Velkerri Mesoproterozoic shallow to nearshore 80 to >350 Type I to II 2-6 %. Early oil–gas shale gas Under assessment Formation marine window (Origin, 2017) Max 12.5% (Roper Group) Bessie Creek Mesoproterozoic tide-dominated 440–1230 20–422 N/A N/A N/A tight gas Unknown Sandstone shoreline (Roper Group) Vaughton Paleoproterozoic deep subtidal ? 600–1000 unknown unknown ?shale gas Unknown Siltstone (Balma Group) Yalco Paleoproterozoic shallow-marine ? 0–250 Type II Max. 6% Marginally shale gas Unknown Formation mature–over (McArthur mature Group) Lynott Paleoproterozoic subtidal marine to ? 50–600 ?Type II 0.2–3.4% Marginally shale gas Active exploration Formation mature–over intertidal (Armour Energy, 2017) (McArthur mature Group) Reward Paleoproterozoic deepwater to 260–615 30–350 N/A N/A N/A tight gas, Active exploration Dolostone shallow marine natural (Armour Energy, 2017) (McArthur fractures Group) Barney Creek Paleoproterozoic deeper-water marine 60–650 <200–1,200 Type I to II 0.6–10.4% Immature–over shale gas Active exploration (McArthur mature (Armour Energy, 2017) Group)
Table C.54 Summary of shale and tight gas plays (compiled from Munson et al., 2014; UPR, 2015; Revie, 2017a). Formation Age Environment Top depth (m) Thickness (m) Source rock(s) Source rock TOC (%) Source rock maturity Play type Exploration status Kyalla Formation (Roper Group) Mesoproterozoic shallow to moderately deep marine 550–990 0–800 Type I to II 2–3% Max 4% Early oil–gas window shale gas Active exploration (Origin, 2017) Moroak Sandstone (Roper Group) Mesoproterozoic tide-dominated shoreline 320–1,715 2.5–485 N/A N/A N/A tight gas Unknown Velkerri Formation (Roper Group) Mesoproterozoic shallow to nearshore marine 80 to >350 Type I to II 2-6 %. Max 12.5% Early oil–gas window shale gas Under assessment (Origin, 2017) Bessie Creek Sandstone (Roper Group) Mesoproterozoic tide-dominated shoreline 440–1230 20–422 N/A N/A N/A tight gas Unknown Vaughton Siltstone (Balma Group) Paleoproterozoic deep subtidal ? 600–1000 unknown unknown ?shale gas Unknown Yalco Formation (McArthur Group) Paleoproterozoic shallow-marine ? 0–250 Type II Max. 6% Marginally mature–over mature shale gas Unknown Lynott Formation (McArthur Group) Paleoproterozoic subtidal marine to intertidal ? 50–600 ?Type II 0.2–3.4% Marginally mature–over mature shale gas Active exploration (Armour Energy, 2017) Reward Dolostone (McArthur Group) Paleoproterozoic deepwater to shallow marine 260–615 30–350 N/A N/A N/A tight gas, natural fractures Active exploration (Armour Energy, 2017) Barney Creek (McArthur Group) Paleoproterozoic deeper-water marine 60–650 <200–1,200 Type I to II 0.6–10.4% Immature–over mature shale gas Active exploration (Armour Energy, 2017)
gba_stage1_appendices_final_small.docx