Research Article
Height Effect on Interactions between the Hydraulic Fracture and Natural Fractures
Table 3
Input variable values of the finite element numerical calculation of 3D simple hydraulic and natural fracture interaction.
| | Input variable | Value |
| | Elastic moduli, | 15, 000 MPa | | Poisson’s ratio, | 0.2 | | Pumping rate, | 1 × 10-3 m3/s | | Leak-off rate, | 1 × 10-14 m/(Pa·s) | | Permeability coefficient, | 1 × 10-7 m/s | | Viscosity of fracturing fluid, | 1 cp | | Cohesive strength of HF, | 2.48 MPa | | Cohesive strength of NF, | 1.86 MPa | | Fracture energy of HF, | 100 N/m | | Fracture energy of NF, | 75 N/m | | Porosity, dimensionless | 0.1 | | Vertical stress, | 18 MPa | | Horizontal principle stress, | 12/12 MPa | | Angle of intersection, | 30/45/60/90 degrees | | Formation thickness, | 4/15 m |
|
|
