| Customization: | Available |
|---|---|
| After-sales Service: | Provided |
| Warranty: | 12months |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
|---|
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Cementing plug is used to separate the cement slurry from the mud. It can prevent the mud from blending into the cement slurry to influece the cementing quality. There are two kinds of cementing plug: conventional cementing plug and special cementing plug. Conventional cementing 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.
| Casing | Casing Weight Range | Wiper Fin O.D | Working Temperature |
Working Pressure |
Burst Pressure |
Hardness | ||
| Size(in) | mm | in | mm | in | ||||
| 4 1/2" | 14.14-17.26 | 9.50-11.60 | 110 | 4.331 | -30ºC to 150ºC | ≥15MP | 1 MP-2 MP | 75-90 |
| 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 | ||||
| 13 3/8" | 71.43-107.15 | 48.00-72.00 | 333 | 13.110 | ≥10MP | |||
| 20" | 139.89-197.93 | 94.00-133.00 | 498 | 19.606 | ||||

Xi'an BOBAN Oil Tools Co., Ltd. make and supply a multiple lines of underground drilling equipment and tools for oilfield, horizontal directional drilling (HDD), and water well, with products covering downhole drilling tools, drilling string, tubular handling tools, rig components, well control equipment, solids control equipment, mud pump & spare parts, etc., We can also supply sub-forging 4145H & non-magnetic solid or hollow bars for O&G drilling and other industries.
All our products are manufactured basing on international standard and we also obtained ISO:9001-2000. With advanced production facilities, rigorous quality management, and the joint efforts of our expert staff, Boban has been supplying the products to the global market since its establishment, covering UK, Germany, Netherlands, American, middle east & Australia, etc. and obtained a good reputation among the offshore customers as well as other industrial clients.
With our reasonable prices, quick reaction, high quality products and deliver anywhere on time as well as superior service, Boban has established good cooperation relationship with many well-known customers in the world, and also wish to have the chance to work with more and more customers from all over the world! 


1. As a professional oil and gas service company, Boban petroleum has many good experience is selling and serve for the oilfield industries, quality is the culture of the company, we obtained the American Petroleum Institute standard for all the oiltools, and also certified by ISO:9001-2000.
2. Good service for the communication, delivery and after sales.
3. With rich experience, so we can be your long term supplier.
4. Own factories in China mainland
5. QUALITY SESTEM to make sure the superior high quality
6. Large product series for one-stop service
7. Consulting, suggesting, help find perfect solution