Half of the total length of the hydraulically induced vertical plane fracture .
For the fractured vertical well the geometrical skin-factor S_G is related to Fracture half-length X_f as:
| (1) | S_G= -\frac{X_f}{2\, r_w} |
Half of the total length of the hydraulically induced vertical plane fracture .
For the fractured vertical well the geometrical skin-factor S_G is related to Fracture half-length X_f as:
| (1) | S_G= -\frac{X_f}{2\, r_w} |