| Cost components | Fixed proportion (%) | Variable proportion (%) |
| Drilling preparation | 100 | 0 |
| Drilling | 1.7 | 98.3 |
| Cementing | 13.6 | 86.4 |
| Subtotal | 7.5 | 92.5 |
| Logging | 1.5 | 98.5 |
| Well logging | 0 | 100 |
| Perforation | 0 | 100 |
| Party A | 100 | 0 |
| Mean value | 29.5 | 70.5 |