API Oilfield displacement cementing rubber plug
Like the Top Cementing Plug, the fins and tail section provide positive wiping action. Fins also serve as a seal while cementing. The core of the bottom plug also made of special materials such as Plastic, Aluminium or Phenolic depending on the application and well conditions. A rubber diaphragm at the top of the plug ruptures after the plug is seated allowing cement to flow through.
API Oilfield displacement cementing rubber plug Features
- Available in Pressure Rating from 3,500 PSI up to 8,000 PSI.
- Available in sizes from 2-3/8“ up to 20”
- Made of special elastomeric blend that has a good temperature resistance of up to 250°C (482 °F).
- Manufactured for a standard Burst pressure of 300 PSI and can be adjusted to suit customer requirements
API Oilfield displacement cementing rubber plug Specification
Casing Size(in) | Casing Weight Range | Wiper Fin O.D |
mm | in | mm | in |
4 1/2" | 14.14-17.26 | 9.50-11.60 | 110 | 4.331 |
5" | 17.11-35.86 | 11.50-24.10 | 122 | 4.803 |
5 1/2" | 20.83-39.88 | 14.00-26.80 | 135 | 5.315 |
7" | 25.30-56.55 | 17.00-38.00 | 170 | 6.693 |
7 5/8" | 35.72-63.69 | 24.00-42.00 | 185 | 7.283 |
9 5/8" | 53.57-79.62 | 36.00-53.50 | 235 | 9.252 |
10 3/4" | 60.27-97.77 | 40.50-65.70 | 260 | 10.236 |
13 3/8" | 71.43-107.15 | 71.43-107.15 | 333 | 13.11 |
20" | 139.89-197.93 | 94.00-133.00 | 498 | 19.606 |
