Puyang Zhongshi Group Co., Ltd.
Puyang Zhongshi Group Co., Ltd.
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One-Piece Non-Welded Spring Centralizers/Semi-Rigid Centralizers
API single piece centralizer performs satisfactorily in open hole as well as cased hole.These high quanlity product,developed to meet and exceed API 10D specifications for use in highly demanding downhole conditions.Single piece centralizer combines the highest restoring force with zero start force and zero running force.The single piece centralizer is used to position the casing in the center of the wellbore in vertical deviated and horizontal wells.
The single piece centralizers are available in size 4-1/2" to 20".Any special sizes or combination can be available on requirment.
Semi-rigid casing centralizer Features:
1. It's widely used in vertical and high angle oil wells.
2. Low starting force, high resetting force feature.
| Specification | casing size (mm) | Hole Size (mm) | Inner Diameter (mm) | Outer Diameter (mm) |
| 4-1/2″×6″ | 114 | 152 | 118 | 146 |
| 5"×6 5/8" | 127 | 168 | 131 | 162 |
| 5-1/2″×8-1/2″ | 140 | 216 | 142 | 210 |
| 7″×8 1/2″ | 178 | 216 | 182 | 210 |
| 7"× 9-1/2" | 178 | 241 | 182 | 235 |
| 9-5/8″×12-1/4″ | 244 | 311 | 248 | 305 |
| 13-3/8″×17-1/2" | 340 | 445 | 344 | 439 |
Singal piece centralizers packing photo:
