| PKN Hydraulic Fracture @model | Long Fractures X_f > h_f | 
| Short Fractures X_f < h_f | 
where
| X_f | fracture half-length | 
| h_f | fracture height | 
See Also
Petroleum Industry / Upstream / Well / Well-Reservoir Contact (WRC) / Hydraulic Fracture
[ Carter Leak-off Equation @model ]