Research Article
Fault Diagnosis Method and Application of ESP Well Based on SPC Rules and Real-Time Data Fusion
Table 6
Trend changes of different oil wells in different time windows.
| | Well name | Fr | MC | MT | V | PIP | PDP | PD | PIT | WT | TP | F |
| | Time window: 5 minutes | | well_001 | 0 | −1 | 1 | 1 | 1 | 1 | −1 | −1 | −1 | −1 | −1 | | well_002 | 0 | 0 | −1 | 0 | 0 | 1 | 0 | −1 | 0 | −1 | 0 | | well_003 | 0 | −1 | 0 | −1 | −2 | 1 | −1 | −2 | 0 | −1 | −1 | | well_004 | 0 | 2 | 1 | −2 | 1 | 0 | 1 | −1 | 1 | −2 | −1 | | well_005 | 0 | −1 | −1 | 0 | 0 | 1 | 0 | −1 | 1 | −1 | 0 |
| | Time window: 60 minutes | | well_001 | 0 | −1 | 1 | 0 | 1 | 1 | −1 | −1 | −1 | −1 | −1 | | well_002 | 0 | 0 | 0 | −1 | 0 | 1 | 0 | 0 | −1 | 0 | 0 | | well_003 | 0 | −1 | 1 | −2 | 1 | 1 | −1 | 1 | −1 | −1 | −1 | | well_004 | 0 | −1 | 1 | −1 | 1 | 0 | −1 | −2 | −1 | −1 | −1 | | well_005 | 0 | 1 | 1 | −1 | 1 | 1 | 0 | −1 | −1 | −1 | 0 |
| | Time window: 1440 minutes | | well_001 | 0 | −1 | 1 | 0 | 1 | 1 | −1 | −1 | −1 | −1 | −1 | | well_002 | 0 | −1 | −1 | −1 | 1 | 1 | 0 | −1 | −1 | −1 | 0 | | well_003 | 0 | −1 | 1 | −1 | 1 | 1 | −1 | −1 | −1 | −1 | −1 | | well_004 | 0 | −1 | 1 | −1 | 1 | 0 | −1 | −1 | −1 | −1 | −1 | | well_005 | 0 | −1 | 1 | −1 | 1 | 1 | 0 | −1 | −1 | −1 | 0 |
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