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Antelope 400 Series Rigid / Positive Centralizers |
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Antelope 400 Series Rigid / Positive Centralizers |
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Product 400 |
Product 413 |
Product 47X |
Product 480 |
Product 490 |
Positive Welded Centralizer |
Straight Blade Welded Slip-On Centralizer |
"SPIRAFLO" Spiral Blade Welded Slip-On Centralizer |
Rigid Non-Metallic Centralizer * |
Liner Band |
| Antelope manufactures a wide variety of positive
(typically hinged) and rigid (typically slip-on) centralizers. These centralizers may be
ordered with or without set screws. We recommend running the slip-on rigid centralizers
between slip-on stop collars rather than with set screws, to reduce drag by allowing the
casing to move within the centralizer as a bearing. We recommend rigid centralizers in
5" length designs to further reduce drag, while maintaining a rigid standoff. The
Liner Band (Product 490) is designed to create a positive standoff when running liners,
and should be run between slip-on stop collars.
* US Patent No. 5,908,072
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