Research Article
Study on the Pressure Drop Variation and Prediction Model of Heavy Oil Gas-Liquid Two-Phase Flow
Table 3
Error percentages of different pressure drop models.
| | Flow pattern | Viscosity | Error | B-B | Aziz | Hasan | JPI | Kaya | New model |
| | Slug flow | 50 mPa∙s | AAPE (%) | 35.8 | 200.9 | 33.3 | 47.2 | 118.5 | 12.8 | | APE (%) | 35.8 | -167.2 | 33.3 | 47.2 | -95.1 | -6.5 | | 100 mPa∙s | AAPE (%) | 38.3 | 196.9 | 37.0 | 48.7 | 107.3 | 12.2 | | APE (%) | 38.2 | -163.5 | 37.0 | 48.7 | -84.3 | 0.02 | | 290 mPa∙s | AAPE (%) | 51.5 | 154.0 | 46.9 | 57.9 | 251.3 | 12.3 | | APE (%) | 51.5 | -88.6 | 46.9 | 57.9 | -241.3 | -4.4 | | 480 mPa∙s | AAPE (%) | 48.1 | 143.3 | 40.1 | 55.4 | 166.8 | 11.9 | | APE (%) | 48.0 | -91.7 | 39.6 | 55.4 | -163.0 | -3.6 |
| | Agitation flow | 50 mPa∙s | AAPE (%) | 65.4 | 47.5 | 61.4 | 64.8 | 72.5 | 13.9 | | APE (%) | 65.4 | 47.5 | 60.5 | 64.8 | -19.0 | -6.5 | | 100 mPa∙s | AAPE (%) | 73.0 | 56.3 | 78.0 | 69.3 | 34.9 | 15.3 | | APE (%) | 73.0 | 55.7 | 78.0 | 69.3 | 34.9 | -4.2 | | 290 mPa∙s | AAPE (%) | 84.3 | 62.6 | 89.6 | 75.4 | 404.2 | 19.4 | | APE (%) | 84.3 | 62.6 | 89.6 | 75.4 | -365.1 | -19.4 | | 480 mPa∙s | AAPE (%) | 84.5 | 64.0 | 84.8 | 77.6 | 594.8 | 19.8 | | APE (%) | 84.5 | 64.0 | 84.8 | 77.6 | -594.8 | -10.7 |
| | Annular flow | 50 mPa∙s | AAPE (%) | 66.5 | 43.7 | 69.3 | 60.3 | 115 | 14.6 | | APE (%) | 66.5 | 40.2 | 0.1 | 60.3 | 110 | -9.7 | | 100 mPa∙s | AAPE (%) | 71.7 | 50.6 | 63.3 | 63.9 | 35 | 13.8 | | APE (%) | 71.7 | 47.2 | 6.1 | 63.9 | -35 | -0.7 | | 290 mPa∙s | AAPE (%) | 82.6 | 73.0 | 69.8 | 75.5 | 164 | 14.5 | | APE (%) | 82.6 | 73.0 | 61.9 | 75.5 | -148 | 10.6 | | 480 mPa∙s | AAPE (%) | 84.1 | 79.2 | 72.4 | 80.6 | 782 | 14.3 | | APE (%) | 84.1 | 79.2 | 70.8 | 80.6 | -774 | 1.6 |
|
|
