Research Article

Stress Interferences between Fractures and Fracturing Stages of a Horizontal Well in a Sandy Conglomerate Reservoir in Junggar Basin, Northwest China

Table 2

Parameters for the hydraulic fracturing model.

PropertiesValue

Young’s modulus25.4 GPa
Poisson’s ratio0.22
Fluid viscosity0.012 Pa·s
Permeability1.833 mD
Leakoff coefficient
Damage initiation stress6 MPa
Critical fracture energy30 kN/m
Specific weight of fluid9.8 kN/m3
Initial pore pressure35 MPa
Maximum principle horizontal stress52, 56, 60, and 64 MPa
Minimum principle horizontal stress50 MPa
Porosity10%
Injection rate0.0015 m3/s
Initial in situ stress difference2, 6, 10, and 14 MPa
Cluster spacing5 ~ 50 m