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| Horizon | Rock name | Layer thickness (m) | Cumulative thickness (m) | Description |
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| 1 | Aeolian sand | 3.78 | 3.78 | It is distributed in most of the well field, and its lithology is mainly aeolian siltstone and fine sandstone |
| 2 | Conglomerate | 40.26 | 44.04 | The conglomerate is mainly composed of lithic debris with a small amount of mineral debris |
| 3 | Sandy mudstone | 12.50 | 56.54 | It has mixed colors including purplish red, mica and high clay content, and shell-like fracture |
| 4 | Medium grained sandstone | 22.03 | 78.57 | It is grayish green, containing mica and locally feldspar. It is generally sorted and argillaceous cemented |
| 5 | Mudstone | 5.12 | 83.69 | It is gray black and has an argillaceous structure and relatively flat fracture |
| 6 | Sandy mudstone | 3.47 | 87.16 | It is grayish black and medium thick layered, has an argillaceous structure, and is hard |
| 7 | Fine grained sandstone | 14.48 | 101.64 | It is light gray, thick layered, dense, and hard |
| 8 | Mudstone | 8.5 | 110.14 | It is gray black and thin layered, has an argillaceous structure, is of hard quality, and has a complete core |
| 9 | Sandy mudstone | 4.55 | 114.69 | It is gray dark gray, massive, and containing carbon chips and sliding surface and has a flat fracture surface |
| 10 | 2–2 coal | 5.50 | 120.19 | It is black, massive, dark coal, containing silky carbon and dull luster, and locally containing a small amount of mudstone |
| 11 | Sandy mudstone | 4.03 | 124.22 | It is gray black and thin layered and has an argillaceous structure and a relatively flat fracture |
| 12 | Fine grained sandstone | 8.15 | 132.37 | It is light gray and thick layered, has fine grained sand-like structure, is hard, is mainly composed of felsic, and is followed by dark minerals, with more carbonaceous stripes |
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