Float Collar/Shoe used to increase the buoyancy of casing string and guide the casing string allow easier casing running during cementing operation. It will prevent the slurry flowing back after cementing.
Size | Casin | Working Pressure | ||
| in | mm | lb/ft | mm | MPa |
| 4-1/2 | 114.3 | 9.50-15.10 | 5.21-8.56 | 35 |
| 5 | 127 | 13.00-21.40 | 6.43-11.10 | 35 |
| 5-1/2 | 139.7 | 14.00-26.80 | 6.20-12.70 | 35 |
| 6-5/8 | 168.3 | 20.00-32.00 | 7.32-12.06 | 35 |
| 7 | 177.8 | 20.00-38.00 | 6.91-13.72 | 35 |
| 7-5/8 | 193.7 | 26.40-47.10 | 8.33-15.68 | 35 |
| 8-5/8 | 219.1 | 24.00-49.00 | 6.71-14.15 | 35 |
| 9-5/8 | 244.5 | 32.30-58.40 | 7.92-15.11 | 35 |
| 10-3/4 | 273.1 | 32.75-73.2 | 7.09-17.07 | 35 |
| 11-3/4 | 298.5 | 42.00-71.00 | 8.46-14.78 | 35 |
| 13-3/8 | 339.7 | 48.00-72.00 | 8.38-13.06 | 28 |
| 16 | 406.4 | 65.00-109.00 | 9.52-16.66 | 21 |
| 18-5/8 | 473.1 | 87.5 | 11.05 | 14 |
| 20 | 508 | 94.00-133.00 | 11.13-16.13 | 14 |
Float Collar/Shoe used to increase the buoyancy of casing string and guide the casing string allow easier casing running during cementing operation. It will prevent the slurry flowing back after cementing.
Size | Casin | Working Pressure | ||
| in | mm | lb/ft | mm | MPa |
| 4-1/2 | 114.3 | 9.50-15.10 | 5.21-8.56 | 35 |
| 5 | 127 | 13.00-21.40 | 6.43-11.10 | 35 |
| 5-1/2 | 139.7 | 14.00-26.80 | 6.20-12.70 | 35 |
| 6-5/8 | 168.3 | 20.00-32.00 | 7.32-12.06 | 35 |
| 7 | 177.8 | 20.00-38.00 | 6.91-13.72 | 35 |
| 7-5/8 | 193.7 | 26.40-47.10 | 8.33-15.68 | 35 |
| 8-5/8 | 219.1 | 24.00-49.00 | 6.71-14.15 | 35 |
| 9-5/8 | 244.5 | 32.30-58.40 | 7.92-15.11 | 35 |
| 10-3/4 | 273.1 | 32.75-73.2 | 7.09-17.07 | 35 |
| 11-3/4 | 298.5 | 42.00-71.00 | 8.46-14.78 | 35 |
| 13-3/8 | 339.7 | 48.00-72.00 | 8.38-13.06 | 28 |
| 16 | 406.4 | 65.00-109.00 | 9.52-16.66 | 21 |
| 18-5/8 | 473.1 | 87.5 | 11.05 | 14 |
| 20 | 508 | 94.00-133.00 | 11.13-16.13 | 14 |
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