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 specimenCompressive strength (MPa)Tensile strength (MPa)Elastic modulus (GPa)Poisson’s ratioPermeability (10-3μm2)Porosity (%)

Artificial tight sandstone61.86.524.90.190.2611.8
Natural tight sandstone64.34.525.60.1680.4938.54