API Spec 10D Cementing Accessory Integral Spring Centralizer for Oilfield Drilling
Description:
Casing centralizer can be applied directly to casing to form stabilizers for drilling with casing or liner in both straight and directional wells.
Almost 13 years experience of designing, manufacturing and continual improvement of our non-welded centralizers, we provide non-welded bow spring centralizers, which are designed and manufactured as per API spec. 10 D.
The popular styles available are non-welded single bow spring centralizer, and doublebow spring centralizer with high reliable quality.
Featrues:
1, Our latest design has features of making them ideal for both tubing and casing.
2, The non-weld design eliminates all weak spots.
3, Tapered pin hold the bows and hinges in the collars.
4, High-quality, super-strengthened spring-steel bows and especialy designed collar hinges provide reliable downhole performance.
5, The whole casing centralizer is made without any rivet and no welding.
6, The whole casing centralizer is composed of 3 parts, the spring, the hinges and tapered pin.
7, Easy for installation and transport
8, Conform to API standard
Technical Parameters:
| No. |
Specification |
Bow Type |
ID, mm |
Length, mm |
Max OD, mm |
Bow Spring |
| 1 |
5-1/2"*8-1/2" |
I, II |
142-148 |
650±50 |
225±5 |
5 |
| 2 |
7"*8-1/2" |
I, II |
181-186 |
650±50 |
235±5 |
6 |
| 3 |
9-5/8"*12-1/4" |
I, II |
250-255 |
650±50 |
330±5 |
8 |
| 4 |
10-3/4"*12-1/4" |
I, II |
274-276 |
650±50 |
330±5 |
9 |
| 5 |
13-3/8"*17-1/2" |
I, II |
342-347 |
650±50 |
450±5 |
11 |
| 6 |
20"*26" |
I, II |
510±1 |
600±50 |
660±5 |
12 |
