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Cementing plugs are used to remove the mud during cementing operations. Top cementing plugs and bottom cementing plugs are used in the cementing process. The top and bottom cementing plus general have different colors (bottom plugs are red and top plugs are black) in production for easy usage in operation.
The top cementing plug has a solid body that provides positive indication of contact with cementing floating collar and bottom plug through an increase in pump pressure.
The bottom cementing plug with a hollow body is installed ahead of the cement slurry to minimize contamination by fluids inside the casing prior to cementing.
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Categories
The cementing plugs are divided into standard (conventional) cementing plugs and non-rotating cementing plugs, you can choose the right cementing plugs according to the floating equipment.
CP-01-CS
CP-02-NR
Conventional (Standard) Cementing Plugs
CP-01-CS Conventional/Standard Cementing Plug
Conventional top and bottom cementing plugs significantly reduce the drill out time to save cost. The bottom plug separates the cement from drill mud and features a rubber diaphragm which is opened once the plug has landed and latched into the conventional cementing float collar.
The top cementing plug is used as a floow-up plug to displace cement to provide a anti-rotational feature to eliminate rotation during drilling and save drill out time when it is latched into the upper end of the bottom plug.
Performance feature
Options
Non-Rotating Cementing Plugs
CP-02-NR Non-Rotational Cementing Plug
Non-rotating cementing plugs are designed to decrease the drill out times. Reinforced locking teeth are built into the plugs, which lock together between the plug and the float equipment to eliminate rotation of the plug during drill out. The top cementing plug are latched to the anti-rotational float collar.
Performance features
Options
Specifications
| Casing size | Casing weight range | O.D. of Rubber Cup | Working Temperature | Working Pressure | Burst Pressure | Hardness | ||
|---|---|---|---|---|---|---|---|---|
| inch | kg/m | lb/ft | mm | inch | MPa | MPa | ||
| 4-1/2 | 14.14–17.26 | 9.50–11.60 | 110 | 4.331 | -30 °C to 150 °C | ≥15 | 1–2 | 75–95 |
| 5 | 17.11–35.86 | 11.50–24.10 | 122 | 4.803 | -30 °C to 150 °C | ≥15 | 1–2 | 75–95 |
| 5-1/2 | 20.83–39.88 | 14.00–26.80 | 135 | 5.315 | -30 °C to 150 °C | ≥15 | 1–2 | 75–95 |
| 7 | 25.30–56.55 | 17.00–38.00 | 170 | 6.693 | -30 °C to 150 °C | ≥15 | 1–2 | 75–95 |
| 7-5/8 | 35.72–63.69 | 24.00–42.80 | 185 | 7.283 | -30 °C to 150 °C | ≥15 | 1–2 | 75–95 |
| 9-5/8 | 53.57–79.62 | 36.00–53.50 | 235 | 9.252 | -30 °C to 150 °C | ≥15 | 1–2 | 75–95 |
| 10-3/4 | 60.27–97.77 | 40.50–65.70 | 260 | 10.236 | -30 °C to 150 °C | ≥15 | 1–2 | 75–95 |
| 13-3/8 | 71.43–107.15 | 48.00–72.00 | 333 | 13.110 | -30 °C to 150 °C | ≥15 | 1–2 | 75–95 |
| 20 | 139.89–197.93 | 94.00–133.00 | 498 | 19.606 | -30 °C to 150 °C | ≥15 | 1–2 | 75–95 |
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