| Age | Stratum | Vertical Depth (calculate from sea level) | Lithology |
| Cenozoic | Sea Bottom | 2535 m | Offshore clay |
| Pleistocene-Plio | 2655 m | Fine particle and poorly cemented sandstone, poor classified bioclastic rock and soft-semi-hard shale, some sandy and calcareous stones | |
| Upper Miocene | 2955 m | Semi-hard plastic shale, slight calcareous and squamose structure, fine particle sandstone lamination and shale matrix calcareous bonding | |
| Upper Eocene | 3170 m | Fine-grain shale and calcareous sandstone stromatolite | |
| Lower Eocene | 3800 m | Soft-semi-hard shale, sandy and calcareous stones, fine sandstone and sandstone of calcareous matrix stromatolite in some places. | |
| Lower Eocene/Wilcox | 4130 m | Sandstone and shale and fine grain gravel stromatolite is formed by anorthosite, metamorphic, sedimentary and auxiliary minerals (target layer) | |
| Upper Paleocene | 4675 m | Medium shale layer to well cemented fine-grain sandstone layer | |
| Paleocene/Whopper | 5670 m | Moderately classified fine sandstone (target layer) | |
| Total depth | 6195 m |
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