Research Article
Hydraulic Fracturing Breakdown Pressure and Prediction of Maximum Horizontal In Situ Stress
Table 2
Range of input and output parameters.
| | | Character | Unit | Minimum | Maximum |
| Input parameter | Minimum horizontal stress | | MPa | 20 | 40 | Normalized initial crack length | | --- | 0.015 | 3 | Tensile strength | | MPa | 20.82 | 31.23 | Breakdown pressure | | MPa | 12.37 | 64.49 |
| Output parameter | Maximum horizontal stress | | MPa | 20 | 110 |
|
|