Table 2 Comparative statistics of key metrics among schemes A/B/C.
From: An integrated geomechanical–drill string trajectory optimization method for initial wellbore design
Metric | Scheme A (Geo-only) | Scheme B (Geo + Mech) | Scheme C (Geo + Mech + Prob, proposed) |
|---|---|---|---|
Well length L (m) | 3120 | 3185 | 3190 |
Avg-DLS (°/30 m) | 2.1 | 1.8 | 1.6 |
Max-DLS (°/30 m) | 5.8 | 4.2 | 3.5 |
Curvature P95 (1/m) | 0.032 | 0.027 | 0.021 |
Corridor coverage rate (ER, %) | 72.5 | 78.3 | 85.6 |
High-risk crossing length Lrisk (m) | 265 | 180 | 95 |
Pressure violation rate (%) | 2.3 | 0.7 | 0.0 |
Min anti-collision distance (m) | 23.5 | 25.1 | 25.3 |
Computational cost (s) | 185 | 210 | 255 |
