Puyang Zhongshi Group Co., Ltd.
Puyang Zhongshi Group Co., Ltd.
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Product Application
Casing centralizer is a cementing tool which applied to centralize casing to improving the cementing quality. They are designed for high restoring force and low starting force for centralizing the casing pipe in a horizontal and deviated
well.
Main Features
The hinged bow spring centralizer combines collar and bow, the bow is a good role in restoring force.
Traditional bow spring centralizer, the features are low price, easy installation and shipment.
There are two kinds of bow spring centralizers, hinged type and slip on (Non weld).
We have hinged non welded bow spring centralizer and hinged welded bow spring centralizer.
We have single bow spring centralizer and double bow (dual contact) bow spring centralizer, although these two kinds of centralizers have a similar function, many customers use the single bow spring centralizer as their first choice.
Powder baking coating.
Sizes are from 4-1/2inch to 20inch, any special sizes are available according to your requirement.
Designed for vertical where low starting force, as well as high restoring force, is required.
| Technical Parameter | ||||||
| Spring Casing Centralizer | Size(In) | OD(mm) | IN(mm) | Height(mm) | Max Start-up Force(N) | Min Reset Force(N) |
| 20" | 680 | 512 | 575 | ≤16725 | ≥8363 | |
| 13-3/8" | 455 | 342 | 560 | ≤10853 | ≥5427 | |
| 9-5/8"*12-1/4" | 335 | 248 | 560 | ≤7117 | ≥7117 | |
| 7" | 235 | 181 | 560 | ≤4626 | ≥4626 | |
| 6-5/8"*8-3/4" | 238 | 171 | 560 | ≤4270 | ≥4270 | |
| 5-1/2”*8-1/2” | 235 | 142 | 560 | ≤2758 | ≥2758 | |
| Rigid Centralizer | 13-3/8" | 437 | 344 | 180 |
| 9-5/8"*12-1/4" | 305 | 248 | 120 | |
| 7" | 210 | 182 | 120 | |
| 6-5/8"*8-3/4" | 215 | 171 | 120 | |
| 5-1/2"*8-1/2" | 210 | 142 | 120 |
| Semi-rigid Centralizer | Single Bow Spring Centralizer | Double-bow Spring Centralizer |
| Integral Centralizer | Rigid Centralizer | Rigid Roller Centralizer |