Stand Off Spiral Vane 5-1/2"×8-1/2" Bow Spring Centralizer Well cementing
Stand-off Spiral Vane Casing Centralizer
Stamped Centralizers are available in Straight Blade or spiral models and are made to run on the casing OD to centralize the casing that will be cemented in the wellbore and will also improve cement bonding onto the casing.
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Increase flow-by area to optimize mud displacement in vertical,inclined,and horizontal wells.
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For lower torque and drag forces, and undergo a special coating to prevent from rust.
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The blades design can reduce minimum friction when running a casing duo to the smooth profile.
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The set screws can be integral with solid rigid centralizer body and then help save operation time and cost.
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Available in straight or spiral blades.
| 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 |
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