Cementing stopper/top and bottom rubber plug for oil drilling
The cementing plug is used to separate cement slurry from drilling fluid and prevent contamination.
Non rotating cementing plug is used along with the non rotating float collar/float shoe.
Plug is drillable, decrease drill out time.
The cementing plugs lock together between the top plug and the bottom plug to eliminate rotation of the plug during drill out.
Sizes ranging from 4-1/2" to 20"
Technical parameter of the cementing rubber plug-non rotating type
1. Covering material: Nitrite rubber
2. Temperature of operation: 20°C~120°C
3. Core: Phenolic material
4. Pressure rating: up to 3000PSI
Non Rotary cementing plug for drilling Specification
| Casing Size |
Casing Specification |
O.D of Rubber Cup |
| in. |
kg/m |
lb/ft |
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 |
24.00-42.80 |
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 |
Note: The cementing plug type should keep the same with the float equipmen
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