Puyang Zhongshi Group Co., Ltd.
Puyang Zhongshi Group Co., Ltd.
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Oilwell Spiral Vane of Casing Centralizer
This slip-on centralizer features a long steel collar with spiraled steel bars welded onto the outside to assist in either clockwise or counter-clockwise pipe rotation and to create turbulence in the annulus. It is normally run between two stop collars to provide the casing a smooth bearing surface and reduced torque.
Available in straight or spiral blades.
For lower torque and drag forces
Undergo a special coating to prevent from rust.
Minimum friction when running a casing duo to the smooth profile.
| Specification | casing size (mm) | Hole Size (mm) | Inner Diameter (mm) | Outer Diameter (mm) |
| 4-1/2"×6" | 114 | 152 | 118 | 146 |
| 5-1/2"×8-1/2" | 140 | 216 | 142 | 210 |
| 7″×8-1/2″ | 178 | 216 | 182 | 210 |
| 9-5/8″×12-1/4″ | 244 | 311 | 249 | 305 |