1. Non-welded, pressed by punching, high strength.
2. Compared with single bow centralizer, the restoring force is higher while the starting force and running force are lower.Therefore, it can be run in vertical, highly- deviated and horizontal wells.
3. Hinged design allows convenient field installation.
4. Can be unfolded and stacked flatly, saving storage and transportation cost.
Casing Size |
Hole Size |
Max O.D. |
|
in. |
in. |
mm |
in. |
20 |
24/26 |
630/680 |
24.803/26.772 |
13-3/8 |
17- 1/2 |
460 |
18.110 |
9-5/8 |
12-1/4 |
348 |
13.701 |
7 |
8-1/2 |
236 |
9.291 |
5-1/2 |
8-1/2 |
233 |
9.173 |
5 |
6-1/2 |
175 |
6.890 |
4-1/2 |
6 |
165 |
6.496 |