Puyang Zhongshi Group Co., Ltd.
Puyang Zhongshi Group Co., Ltd.
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Solid Spiral Vane Centralizer For Oil Water Well API ISO QHSE Certification
Roller centralizers are mainly used for big high Roller, high deviated wells and horizontal wells, to centre casings.Roller Centralizers can also remove wellbore cake and improve mud replacement efficiency etc.Roller Centralizers provide superior wear resistance and have been proven to remain functional throughout the life of the well and can aid in casing/tubing retrieval.
| Model | Max OD(mm) | ID (mm) | Length (mm) |
| 4-1/2" x 6" | 145 | 116.5 | 200 |
| 5" x 6" | 145 | 129 | 200 |
| 5-1/2" x 8-1/2" | 205-210 | 142 | 200/300 |
| 6-5/8" x 8-1/2" | 205-210 | 171 | 200/300 |
| 7" x 8-1/2" | 205-210 | 181 | 200/300 |
| 7" x 9-1/2" | 225-235 | 181 | 200/300 |
| 7" x 9-5/8" | 225-235 | 181 | 200/300 |
| 9-5/8" x 12-1/4" | 300-305 | 248 | 200 |
| 13-3/8" x 17-1/2" | 430-435 | 346 | 200 |
