API 10D Rigid Casing Centralizer Spring Steel 4-20 inch Oilfield Cementing Tool
API 10D certified rigid centralizer for oilfield casing cementing. Made from super strength spring steel or ductile iron. Available in sizes 4 to 20 inch. Ensures casing centralization, reduces rod wear. Custom options available.
API 10D Oilfield Cementing tool bow spring casing centralizer
1. Introduction of casing centralizer
The casing centralizers are used to protect sucker rod to reduce wearing.
2. Material
2.1. Super strength spring steel
2.2. ASTM A395 ductile iron ,or equivalent international series number.
2.3. Polyester centralizer
2.4. Aluminum alloy
3. Structure
3.1. One or double bow without welding
3.2. Rigid type
3.3. Roller type
4. Specification
4″×5-7/8″, 4-1/2″×6-1/8″, 5″×61/2″, 5-1/2″×8-1/2″, 7″×8-1/2″, 7-5/8″×9-1/2″ , 8-5/8″×10-5/8″, 9-5/8″×12-1/4″, 10-3/4″×14-3/4″, 13-3/8″×17-1/2″, 16″×20″, 20″×26″
| 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 |
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| Integral Centralizer | Rigid Centralizer | Rigid Roller Centralizer |
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