Product Description
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 |
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