Research Article
A New Methodology for the Multilayer Tight Oil Reservoir Water Injection Efficiency Evaluation and Real-Time Optimization
Table 2
Tracer test results of the T1 well group.
| Injector | Tracer type & inject date | Tracer well | Tracer breakthrough date | Tracer breakthrough time (day) | Tracer peak concentration (ng/ml) | Duration (day) |
| T1 | Er 3/19/2019 | P1 | 4/14/2019 | 26 | 148.66 | 41 | P2 | 5/11/2019 | 54 | 126.31 | 30 | P4 | 5/19/2019 | 62 | 97.04 | 36 |
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