API Oil Cementing Tool Top and Bottom Cementing Plug / Non-rotating Cement Plug
Brand Name:ZS
Certification:IOS,API
Model Number:4 1/2"-20"
Minimum Order Quantity:1
Delivery Time:15 work days
Payment Terms:T/T
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Product Details
Cementing Plug
Production description of OIl drilling rig equipment tools Cementing plugs
Typically, the top plug and bottom plug are used in conjunction for cementing operations. To initiate the process, the bottom plug is first placed into the wellbore. It is then pumped down to scrape and clean the hole wall. Once the pump plug is in position, the pressure is increased to 2-4 MPa, breaking the rubber film and establishing circulation.
Subsequently, the cement injection begins. The top plug is inserted and pumping commences. As pressure increases, the cementing process is carried out.
The top rubber plug is engineered with a core made of epoxy coated sand that is compressed into a solid mass. This design enables the plug to withstand shock when pumped to touchdown, while retaining its drillability. The core is fully encased in rubber and features a solid base to prevent separation.
On the other hand, the bottom rubber plug incorporates a cast aluminum core that is PDC drillable. After the plug has completed its wiping of the casing ahead of the cement slurry and is seated at the desired location, additional pump pressure ruptures the rubber diaphragm at the top of the core, allowing the slurry to continue flowing towards its intended destination.
Technical Data of Cementing Plug:
| 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 |
Product Paramenters of Cementing Plug
Company Information
Puyang Zhongshi Group Co., Ltd is a professional manufacturer of various oilfield equipments and cementing accessories since 1997, restructured enterprise of SINOPEC. Our group have 10 years export experience and 9 subsidiary factories, more than 500 employees. We are the first-class supplier of resources market of SINOPEC and CNPC.
We have the certificates of API 5CT, API 10D, API 11E, API 6A, API 11AX, ISO 9001 and ISO 14001. Our foreign customers are mainly from America, Central Asia, Russia, Southeast Asia, Middle East, etc.
API Oil Cementing Tool Top and Bottom Cementing Plug / Non-rotating Cement Plug
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