|
|
| model dct-s double bow centralizer |
|
| |
features
-
non-welded, pressed by punching, high strength.
-
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.
-
hinged design allows convenient field installation.
-
can be unfolded and stacked flatly, saving storage and transportation cost.
specifications
|
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
|
|
|
|
