Oil Drilling 7 " Cementing Non-rotating Wiper Plug
Product Description
Oil Drilling 7 inch Cementing Non-rotating Wiper Plug
4. Prompt Delivery Time
Product Name: Non-rotating Wiper Plug
Specifications
Top Non-rotating Wiper Plug
The top Non-rotating Wiper Plug is designed to exert continuous pressure on the casing wall. The core is made of special materials such as Plastic, Aluminium or Phenolic depending on the application and well conditions. The tapered base fits the cavbity of the top plug initiating a positive seal. A solid rubber top plug is also available.
Bottom Non-rotating Wiper Plug
The bottom Non-rotating Wiper Plug is 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.A rubber diaphragm at the top of the plug ruptures after the plug is seated allowing cement to flow through.
| 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 | 48.00-72.00 | 333 | 13.110 |
| 20" | 139.89-197.93 | 94.00-133.00 | 498 | 19.606 |
Usage of Non-rotating Wiper Plug
The Non-rotating Wiper Plug is used to separate the cement slurry from the mud. It can prevent the mud from blending into the cement slurry to influence the cementing quality.
Structure characteristics of Non-rotating Wiper Plug
There are two kinds of Wiper Plug: Conventional Wiper Plug and special Wiper Plug. Conventional Wiper Plug is divided into Top plug and Bottom plug.
Special plug has Top/Middle/Bottom plug used in two-stage cementing, drill pipe plug and hollow plug used in drilling liner cementing and composite plug used in composite casing.
Product Categories : Cementing Tool > Cementing Plug