Table 1
Comparison of induction time measurement obtained from convention visual method and temperature augmented visual method.
| Hydrate Inhibitors | Concentration (wt/vol%) | Induction Time (minutes) | Induction Time Difference/Error | |
|---|---|---|---|---|
| Conventional Visual Method | Temperature Augmented Visual Method | |||
| Luvicap 55W | 0.1 | 155 | 140 | 15 |
| 0.3 | 714 | 700 | 14 | |
| 0.5 | >1440 | >1440 | – | |
| 0.7 | >1440 | >1440 | – | |
| 1.0 | >1440 | >1440 | – | |
| PNIPAM | 0.1 | 107 | 95 | 12 |
| 0.3 | 476 | 460 | 16 | |
| 0.5 | 1217 | 1200 | 17 | |
| 0.7 | 1395 | 1380 | 15 | |
| 1.0 | >1440 | >1440 | – | |
| PVP | 0.1 | 92 | 80 | 12 |
| 0.3 | 215 | 200 | 15 | |
| 0.5 | 1016 | 1000 | 16 | |
| 0.7 | 1241 | 1230 | 11 | |
| 1.0 | >1440 | >1440 | – | |
| PAM | 0.1 | 08 | 10 | 02 |
| 0.3 | 08 | 10 | 02 | |
| 0.5 | 11 | 12 | 01 | |
| 0.7 | 09 | 14 | 05 | |
| 1.0 | 12 | 15 | 03 | |