Research Article
Data-Driven Methodology for the Prediction of Fluid Flow in Ultrasonic Production Logging Data Processing
Table 3
Approximate value matrix table of related variables for oil-water two-phase flow.
| | Correlation between vectors of power spectrum | | Total flow | Water cut | Peak amplitude | Center frequency | Amplitude of oil | Frequency of oil | Variance of oil | Area of oil peak | Amplitude ratio |
| | Total flow | 1.000 | .000 | .667 | -.555 | .668 | -.573 | -.455 | .651 | .659 | | Water cut | .000 | 1.000 | -.651 | .601 | -.648 | .656 | .556 | -.647 | -.690 | | Peak amplitude | .667 | -.651 | 1.000 | -.778 | .999 | -.852 | -.807 | .939 | .975 | | Center frequency | -.555 | .601 | -.778 | 1.000 | -.766 | .959 | .853 | -.630 | -.719 | | Amplitude of oil | .668 | -.648 | .999 | -.766 | 1.000 | -.837 | -.790 | .947 | .979 | | Frequency of oil | -.573 | .656 | -.852 | .959 | -.837 | 1.000 | .933 | -.687 | -.784 | | Variance of oil | -.455 | .556 | -.807 | .853 | -.790 | .933 | 1.000 | -.572 | -.684 | | Area of oil peak | .651 | -.647 | .939 | -.630 | .947 | -.687 | -.572 | 1.000 | .983 | | Amplitude ratio | .659 | -.690 | .975 | -.719 | .979 | -.784 | -.684 | .983 | 1.000 |
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