Research Article
Study on Propagation Behaviors of Hydraulic Fracture Network in Tight Sandstone Formation with Closed Cemented Natural Fractures
Table 1
The basic mechanical parameters of the artificial experimental model and natural tight sandstone.
| Type of specimen | Compressive strength (MPa) | Tensile strength (MPa) | Elastic modulus (GPa) | Poisson’s ratio | Permeability (10-3 μm2) | Porosity (%) |
| Artificial tight sandstone | 61.8 | 6.5 | 24.9 | 0.19 | 0.26 | 11.8 | Natural tight sandstone | 64.3 | 4.5 | 25.6 | 0.168 | 0.493 | 8.54 |
|
|