Table 1 Fracturing treatment preset pump injection program table.
Step | Liquid type | Displacement (m3/min) | Sand ratio (%) | Stage sand volume (m3) | Stage time (min) |
|---|---|---|---|---|---|
1 | Pre-liquid | 6.0 | 0 | 0 | 23 |
2 | sand-carrying fluid | 6.0 | 6.0 | 3.6 | 10 |
3 | sand-carrying fluid | 6.0 | 12.0 | 7.9 | 11 |
4 | sand-carrying fluid | 6.0 | 15.0 | 11.7 | 13 |
5 | sand-carrying fluid | 6.0 | 18.0 | 16.2 | 15 |
6 | sand-carrying fluid | 6.0 | 20.0 | 19.2 | 16 |
7 | sand-carrying fluid | 6.0 | 25.0 | 15.0 | 10 |
8 | Displacement fluid | 6.0 | 0 | 0 | 18 |
