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Oilfield Roller Solid Rigid Casing Centralizer
Oilfield Roller Solid Rigid Casing Centralizer can reduce the sliding friction resistance of the casing when entering the well wall and can effectively reduce the lower The casing is the frictional resistance.
| 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) |
