Research Article
Height Effect on Interactions between the Hydraulic Fracture and Natural Fractures
Table 4
Input variable values of the finite element model for complex hydraulic and natural fracture joint interaction [
6].
| | Input variable | Value |
| | Elastic moduli, | 15,000 MPa | | Poisson’s ratio, | 0.2 | | Pumping rate, | 0.053 m3/s | | Leak-off rate, | 4.751 × 10-15 m/(Pa·s) | | Rock permeability, | 5.86 × 10-7 m/s | | Fluid viscosity, | 1.6 cp | | Cement mechanical strength along WE direction, | 2.48 MPa | | Cement mechanical strength along NS direction, | 1.86 MPa | | Fracture energy along WE direction, | 100 N/m | | Fracture energy along NS direction, | 75 N/m | | Porosity, dimensionless | 0.18 | | Horizontal stress, | 12/12 MPa | | Overburden stress, | 18 MPa | | Angle of intersection, | 60/90 degrees | | Thickness, | 4/20 m |
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