Research Article
The Calculation of Coal Rock Fracture Conductivity with Different Arrangements of Proppants
Figure 3
Schematic diagram of 3 kinds of proppant arrangements.
| (a) Model 4-1 |
| (b) Model 3-1 |
| (c) Model 2-1 |
| (a) Model 4-1 |
| (b) Model 3-1 |
| (c) Model 2-1 |