Research Article
Research and Application of Radial Borehole Fracturing Based on Numerical Simulation
Table 2
Table of basic model parameters.
| | Well hole diameter (mm) | 240 | Formation elasticity modulus (GPa) | 20 | | Formation diameter (m) | 150 | Rock tensile strength (MPa) | 3 | | Formation thickness (m) | 0.2 | Pore pressure (MPa) | 15 | | Radial bore diameter (mm) | 50 | Vertical pressure (MPa) | 35 | | Radial bore length (m) | 75 | Horizontal maximum principal stress (MPa) | 32.45 | 33.33 | 34.18 | | Porosity (%) | 25 | Horizontal minimum principal stress (MPa) | 26.43 | 25.33 | 24.18 | | | | Horizontal stress difference (MPa) | 6 | 8 | 10 |
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