| Cuttings level | area | Linear expansion ratio/% | Cuttings rolling recovery/% | ||
| water | Oil-based drilling fluid | water | Oil-based drilling fluid | ||
| Longmaxi | pengshui | 7.9 | 0.2 | 56.7 | 98.3 |
| Liangshan | zigong | 9.3 | 0.1 | 62.4 | 98.8 |
| Longmaxi | zigong | 8.1 | 0.2 | 81.7 | 97.9 |