| Well | Sunset 1 | Loxton Shoals 1 | Chuditch 1 | Heron 1 | ||||
| Formation | Lithology | Top Depth (m RT) | Lithology | Top depth (m RT) | Lithology | Top depth (m RT) | Lithology | Top depth (m RT) |
| Barracouta | 100% limestone | 264 | 100% limestone | 315 | 100% limestone | 89 | Similarly Oliver | 50.3 |
| Oliver | 100% limestone | 523 | 100% limestone | - | 100% limestone | 318 | 2% siltstone + 50% shale + 40% limestone + 8% dolomite | 198 |
| Cartier | 25% shale + 70% limetone + 5% dolomite | 1017 | 100% limestone | - | - | - | - | - |
| Hibernia | 25% shale+75% limetone | 1144 | 100% limestone | 1305 | 25% shale + 75% limestone | 713 | 15% sandstone + 5% siltstone + 5% shale + 50% limestone + 25% dolomite + | 533 |
| Johnson | 25% shale + 75% limetone | 1443 | 2.5% sandstone + 2.5% siltstone + 15% shale + 80% limestone | 1435 | 25% shale + 75% limestone | 1128 | - | - |
| Puffin, Turnstone | - | - | - | - | 65% shale + 35% limestone | 1598 | 35% sandstone + 4% siltstone + 55% shale + 4% limestone + 3% dolomite | 1028 |
| Vee | 5% siltstone + 5% shale + 90% limestone | 1521 | 5% shale + 95% limestone | 1556 | 35% shale + 65% limestone | 1766 | 10% sandstone + 2% siltstone + 75% shale + 8% limestone + 5% dolomite | 1500 |
| Wangarlu | 1.57% siltstone + 97.80% shale + 0.63% limestone | 1756 | 50% siltstone + 50% shale | 1736.5 | 100% shale | 1972 | 70% shale + 30% limestone | 2500 |
| Jamieson | - | - | 7.5% shale + 92.5% limestone | 2074 | - | - |
| - |
| Darwin | 100% shale | 2091 | 6.25% sandstone + 6.25 siltstone + 11.25 shale + 76.25 limestone | 2096 | 25% shale + 75% limestone | 2894 | 3% siltstone + 70% shale + 20% limestone + 7% dolomite | 2657 |
| Echuca Shoals | 100% shale | 2122 | - | - | 100% shale | 2905.5 | 2% siltstone + 85% shale + 13% limestone | 3200 |
| Flamingo (upper frigate shale) | - | - | - | - | 65% sandstone + 35% shale | 2910 | Similarly Cleia | 3500 |
| Cleia (lower frigate shale) | - | - | - | - | - | - | 6.9% sandstone + 0.1% siltstone + 78.3% shale + 14.7% limestone |
|
| Elang, Laminaria | 100% shale | 2130 | 26% siltstone + 74% shale | 2100 | - | - | - | - |
| Plover | 59.89% sandstone + 23.02% siltstone + 17.09% shale | 2155 | 30.94% sandstone + 30.69% siltstone + 32.11% shale + 2.26 limestone | 2114.50 | 60% sandstone + 35% shale + 5% coal | 2919 | - | - |
| Base depth (m) |
| 2420 |
| 2330 |
| 3035 |
| 4209 |