Research Article
Probabilistic Approach in Wellbore Stability Analysis during Drilling
Table 3
Rock properties for a sandstone formation [
4].
| Rock properties | Minimum | Maximum |
| Cohesion (kPa) | 4500 | 5500 | Friction angle (deg.) | 31 | 33 | Poisson’s ratio | 0.2 | 0.3 |
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