Table 1. Geological information of the two Blocks.
| Block | Well ID | Oil production (t/day) | Water content (%) | pH | Temperature(°C) | Salinity (mg/L) | Average salinity (mg/L) |
|---|---|---|---|---|---|---|---|
| Liu | L.IW | — | — | 7.2 | 54 ± 3.62 | 972 | — |
| L.77.35 | 4.65 | 40.00 | 7.6 | 17101 | 17477 ± 6683.94 | ||
| L.84.39 | 1.59 | 78.41 | 7.8 | 24341 | |||
| L.81.58 | 2.35 | 85.14 | 7.9 | 10989 | |||
| Wangyao | W.IW | — | — | 7.6 | 45 ± 4.38 | 40833 | — |
| W.31.022 | 1.31 | 75.90 | 7.5 | 75817 | 40940 ± 31762.93 | ||
| W.9.27 | 0.95 | 64.60 | 7.5 | 13674 | |||
| W.14.08 | 0.48 | 78.00 | 7.4 | 33329 |
Note: L: Block Liu; W: Block Wangyao; L.IW: Injection water of Block Liu; W.IW: Injection water of Block Wangyao.