Pattern Recognition of the Vertical Hydraulic Fracture Shapes in Coalbed Methane Reservoirs Based on Hierarchical Bi-LSTM Network

Table 2

Accuracy of the presented method; with the same fracturing operation parameters, the simulation was made on Fracpro PT (Figure 13).

Model	Short-Wide	Long-Narrow	Multiple-Narrow	High-Short	Average
LSTM	0.773	0.811	0.712	0.716	0.753
Bi-LSTM	0.743	0.801	0.762	0.796	0.776
H-Bi-LSTM	0.833	0.841	0.792	0.806	0.818