Research Article
A Comparative Study on Fracture Characteristics of the Red Sandstone under Water and Nitrogen Gas Fracturing
Table 5
The numerical and experimental values of rupture time and breakdown pressure (water fracturing).
| | Specimen number | Method | Rupture time (s) | Breakdown pressure (MPa) |
| | W1 | Numerical modeling | 76 | 7.36 | | Experiment | 82.4 | 7.52 | | W2 | Numerical modeling | 96 | 7.14 | | Experiment | 102.2 | 7.38 | | W3 | Numerical modeling | 109 | 7.04 | | Experiment | 119.9 | 7.75 |
|
|
