- Product Details
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Quick Details
-
Restoring force:
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Much higher than API standard
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Standard:
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API Spec 10D
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Size:
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5 1/2-20"
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Material:
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Carbon steel
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Sample test:
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Yes
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Port:
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China main port
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Delivery:
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30 days for large quantity
-
Technical support:
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Yes
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After Warranty Service:
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Video technical support
Quick Details
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Brand Name:
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Zhongshi
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Core Components:
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other
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Type:
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Integral Spring Centralizer
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Restoring force:
-
Much higher than API standard
-
Standard:
-
API Spec 10D
-
Size:
-
5 1/2-20"
-
Material:
-
Carbon steel
-
Sample test:
-
Yes
-
Port:
-
China main port
-
Delivery:
-
30 days for large quantity
-
Technical support:
-
Yes
-
After Warranty Service:
-
Video technical support
Very High Restoring Force Bow Spring Centralizer for Oilfield Drilling
Bow spring centralizers, both welded and non-welded, are to help center casing in wellbore, allowing even
distribution of the cement around the casing during cementing operations according to API standard.
The sizes cover 4-1/2 ” ~20 ” .
Features:
- Designed for high restoring force and low starting and running force.
- End collars are designed with self-locking action, which are easy to assemble.
- Undergo special coating process to prevent it from rusting.
- Can be shipped in half assembled condition to save costs in shipping and storage.
- Specifications: 4-1/2 ” ~20 ” . Any special size or combination is available on request.
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 |
Casing Centralizer Certification:
Product Pictures: