Dongying Boru Mechanical Equipment Co.,Ltd
Oilfield Roller Rigid Casing Centralizer
Rigid casing centralizer is used in deviated wells and horizontal wells.
There are several blades on the rigid roller centralizer that can keep casing from contacting the wellbore wall
Oilfield Roller Rigid Casing Centralizer Features
- Simple structure , safe and reliable.
- The main body is made of casting, high strength ,easy to use.
- The body adopts the spiral groove, the cement slurry passing efficiency is high.
- The ball bearing can rotate 360 times, reducing the friction resistance
Oilfield Roller Rigid Casing Centralizer Specification
| Casing centralizer | Min Hole | I.D. | O.D. | OAL |
| (mm/inch) | (mm/inch) | (mm/inch) | (mm/inch) | (mm/inch) |
| 139.7(5-1/2) | 215.9(8-1/2) | 143(5-5/8) | 211(8-5/16) | 260(10-1/4) |
| 177.8(7) | 215.9(8-1/2) | 181(7-1/8) | 213.4(8-13/32) | 260(10-1/4) |
| 244.5(9-5/8) | 311.15(12-1/4) | 247.5(9-11/16) | 305.4(12-1/64) | 260(10-1/4) |
| 339.7(13-3/8) | 406.4(16) | 344(13-35/64) | 402(15-53/64) | 260(10-1/4) |
