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 |