| Customization: | Available |
|---|---|
| Certification: | ISO 9001:2000, ISO 9001:2008, API |
| Surface Treatment: | Spray-Paint |
|
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The hydro-formed casing centralizer provides positive center positioning for cementing in vertical and deviated wells drilled using TDDirect casing-drilling and liner-drilling technology. The centralizers are placed on the outer diameter of the casing string to create standoff between casing and the borehole for casing or liner drilling.
The centralizer's design promotes the plastering effect, which strengthens wellbores for an effective cement bond that helps protect well integrity. Made with a special Hydro-forming process, the centralizer has an exclusive design and attachment method. The result is a casing drilling tubular that provides the strength and rigidity to withstand dynamic downhole loads while maintaining standoff under large side forces without being crushed.
Hydroform Centralizers provide a proven alternative to conventional centralizers in challenging hole sections where pipe rotation may be required to reach total depth and/or during cementing operations.
The hydro-formed casing centralizer provides positive center positioning for cementing in vertical and deviated wells drilled using TDDirect casing-drilling and liner-drilling technology. The centralizers are placed on the outer diameter of the casing string to create standoff between casing and the borehole for casing or liner drilling.
Hydro form Centralizers have become the product of choice for operators drilling Extended Reach Horizontal Wells. The smooth geometry and wrap-around rib coverage reduces torque and drag during casing and liner installation, and improves cement distribution and bond.
With its inherent robustness, there have been no mechanical failures. Hydro form centralizers have simultaneously delivered significant improvements in friction reduction.
Originally introduced as a crimp-on hard faced stabilizer specifically designed for casing drilling, these Centralizers are now also used in that environment where they are typically crimped onto the casing.
some specifications for reference:
|
Specifications |
In-Dia(mm) |
Wall Thickness (mm) |
Height(mm) |
Total height(mm) |
Largest Dia(mm) |
Spring Number |
|
5-1/2"*8-1/2" |
142-148 |
3-5 |
55 |
650 |
225 |
5 |
|
7"*9-5/8" |
181-186 |
3-5 |
55 |
650 |
255 |
6 |
|
7"*8-1/2" |
181-186 |
3-5 |
55 |
650 |
235 |
6 |
|
8-5/8"*12-1/4" |
223-228 |
3-5 |
55 |
650 |
330 |
8 |
|
9-5/8"*12-1/4" |
250-255 |
3-5 |
55 |
650 |
330 |
8 |
|
10-3/4"*12-1/4" |
274-276 |
3-5 |
55 |
650 |
330 |
9 |
|
13-3/8"*17-1/2" |
342-347 |
3-5 |
55 |
650 |
450 |
11 |
|
18-5/8"*24 |
476 |
3-5 |
55 |
600 |
610 |
12 |
|
20"*26 |
510 |
3-5 |
55 |
600 |
660 |
12 |
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