Research Article
Rock Mechanical Properties and Breakdown Pressure of High-Temperature and High-Pressure Reservoirs in the Southern Margin of Junggar Basin
Table 2
Basic parameters of the sensitivity analysis for the corrected breakdown pressure prediction model.
| Parameters | Values | Parameters | Values |
| Elastic modulus (GPa) | 18-40 | Fracturing fluid temperature (°C) | 25 | Poisson’s ratio | 0.18-0.40 | Initial formation temperature (°C) | 100-200 | Vertical stress (MPa) | 160 | Rock thermal expansion coefficient (1/°C) | 0.00004 | Pore pressure (MPa) | 100-150 | Tectonic stress coefficient | 0.6 | Biot elastic coefficient | 0.8 | Tectonic stress coefficient | 0.11 | Tensile strength (MPa) | 7 | | |
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