API Oilfield Casing Tool Downhole Centralizer
Overview
Casing centralizer is one of the necessary conventional casing accessories, upon well operations completion, the rational use of casing centralizer can play the role of
Reducing lower casing resistance phenomenon, making the casing smoothly down to the design position
Making casing centralizer centered within the well
Reducing the sticking phenomenon to make the annular space hydrostatic pressure balanced
Reduce channeling, improve the mud replacement efficiency, thus improve the cementing quality.
Specification
| No. | Type | Inside diameter (mm) | Height (mm) | Total height (mm) | Largest diameter (mm) |
| 1 | 5“*12-1/4” | 128-131 | 105 | 690 | 330 |
| 2 | 5”*20” | 128-131 | 105 | 720 | 535 |
| 3 | 5-1/2”*7” | 142-148 | 55 | 650 | 215 |
| 4 | 5-1/2”*8-1/2” | 142-148 | 55 | 650 | 225 |
| 5 | 6”*8-1/2” | 156-158 | 55 | 650 | 235 |
| 6 | 7”*8-1/2” | 181-186 | 55 | 650 | 235 |
| 7 | 7”*9-5/8” | 181-186 | 55 | 650 | 255 |
| 8 | 7-5/8”*9-5/8” | 197-201 | 55 | 650 | 275 |
| 9 | 9-5/8”*12-1/4” | 250-255 | 55 | 650 | 330 |
| 10 | 13-3/8”*17-1/2” | 342-347 | 55 | 650 | 450 |
| 11 | 5-1/2”*8-1/2” | 142-148 | 110 | 650 | 225 |
| 12 | 7”*9-5/8” | 181-186 | 110 | 650 | 255 |
| 13 | 7”*8-1/2” | 181-186 | 110 | 650 | 235 |
| 14 | 5”*6-1/2” | 128-131 | 110 | 650 | 175 |
| 15 | 7-5/8”*9-1/2” | 196-200 | 110 | 650 | 250 |
| 16 | 10-3/4”*12-1/4” | 274-276 | 110 | 650 | 330 |
| 17 | 5”*6-1/4” | 130-132 | 110 | 650 | 170 |
| 18 | 9-5/8”*12-1/4” | 250-255 | 110 | 650 | 330 |
| 19 | 13-3/8”*17-1/2” | 342-347 | 110 | 650 | 450 |
| 20 | 5-1/2”*8-1/2” | 142-148 | 55 | 650 | 225 |
Downhole Centralizer Bow Spring
Downhole Centralizer Rigid




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Step 1
Payment and order readiness
Minimum order: 1 Units
Payment terms, specifications, and order details are confirmed before preparation begins.
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Step 2
Preparation
30 days
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Step 3
Packaging and dispatch
Express · Approx. shipping fee: $ 13.21 for 1 unit · Estimated delivery in 7-13 business days
Final packing, freight, and delivery dates are confirmed before dispatch.
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