Research Article
Energy Demodulation Algorithm for Flow Velocity Measurement of Oil-Gas-Water Three-Phase Flow
Table 5
The comparison of experimental values and the actual values for oil-gas-water three-phase flow gas velocity and liquid velocity.
| Condition | Experiment value | The gas velocity actual value | Measurement error | Experiment value | The oil velocity actual value | Measurement error |
| 10o1g1w8 | 0.378 | 0.368 | 2.72% | 0.336 | 0.368 | 8.69% | 10o1g2w7 | 0.743 | 0.737 | 0.81% | 0.375 | 0.368 | 1.90% | 10o2g2w6 | 0.698 | 0.737 | 5.29% | 0.755 | 0.737 | 2.44% | 15o3g3w9 | 1.124 | 1.105 | 1.72% | 1.072 | 1.105 | 2.98% | 15o3g6w6 | 2.194 | 2.211 | 0.77% | 1.181 | 1.105 | 6.88% | 15o4g1w10 | 0.387 | 0.368 | 5.16% | 1.355 | 1.474 | 8.07% | 15o4g3w8 | 1.152 | 1.105 | 4.25% | 1.589 | 1.474 | 7.80% | 20o2g2w16 | 0.768 | 0.737 | 4.20% | 0.755 | 0.737 | 2.44% | 20o4g6w10 | 2.304 | 2.211 | 4.21% | 1.589 | 1.474 | 7.80% | 20o6g2w12 | 0.668 | 0.737 | 9.36% | 2.304 | 2.210 | 4.25% | 20o6g6w8 | 2.304 | 2.210 | 4.25% | 2.194 | 2.211 | 0.77% | 20o8g2w10 | 0.688 | 0.737 | 6.65% | 2.880 | 2.948 | 2.31% | 30o2g4w24 | 1.440 | 1.474 | 2.31% | 0.781 | 0.737 | 5.97% | 30o8g6w16 | 2.304 | 2.211 | 4.21% | 2.711 | 2.947 | 8.01% | 30o8g8w14 | 2.880 | 2.947 | 2.27% | 3.072 | 2.947 | 4.24% | 30o12g10w8 | 3.840 | 3.684 | 4.23% | 4.608 | 4.421 | 4.23% |
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