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APPLICATION-SPECIFIC CONFIGURATION
Hydraulic Casing Centralizer
Overview
The tool consists of a mandrel, hydraulic cylinder, shear pins, centralizing body, anti-retraction mechanism and upper and lower connections.
After the tool is run as part of the completion string, casing pressure expands the centralizing body into close contact with the wellbore wall to center the casing in the horizontal section.
Direct ManufacturerDrawing-Based SupplyExport Support
Product Advantages
- The self-protection design allows movement up and down the wellbore without premature expansion.
- A 10 mm high-strength alloy-steel centralizing body provides strong centralizing capacity.
- A single centralizing body provides more than 40 kN of centralizing force and can visibly centralize two to three casing joints.
- Hydraulic actuation is straightforward and does not change the existing cementing procedure.
- The locking mechanism prevents retraction after expansion.
- The expansion ratio accommodates a wellbore enlargement rate of 50%.
Technical Specifications
| Applicable Borehole (in) | Applicable Borehole (mm) | Effective Length (mm) | Applicable Casing (in) | Nominal Casing Size (mm) | Tool OD (mm) | Connection | Activation Pressure (MPa) | Working Pressure (MPa) | Pressure Rating (MPa) | Support Force (kN) | Maximum Expanded OD (mm) | Temperature Rating (°C) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 8 1⁄2 | 216 | 520 | 5 1⁄2 | 140 | 186 | Long round thread | 9 | 18–22 | 80 | >14 | 280 | 300 |
| 8 1⁄2 | 216 | 520 | 5 1⁄2 | 140 | 186 | 9 | 18–22 | 80 | >14 | 280 | 300 | |
| 8 1⁄2 | 216 | 520 | 5 1⁄2 | 140 | 186 | Buttress thread | 9 | 18–22 | 80 | >14 | 280 | 300 |
| 9 5⁄8 | 241 | 560 | 7 | 178 | 222 | Long round thread | 9 | 18–22 | 70 | >20 | 310 | 300 |
| 9 5⁄8 | 241 | 560 | 7 | 178 | 222 | 9 | 18–22 | 70 | >20 | 310 | 300 | |
| 9 5⁄8 | 241 | 560 | 7 | 178 | 222 | Buttress thread | 9 | 18–22 | 70 | >20 | 310 | 300 |
Manufacturing Support
Built for Controlled Oilfield Supply
YUXIN combines product engineering, machining, assembly, inspection and export coordination in Dongying, Shandong.
20+Years of industry experience
5,000+ m²Manufacturing base
40+Equipment sets
30+Core product series
Product FAQ
Before You Request a Quote
What information is needed to confirm the correct configuration?
Send the existing model or drawing, connection dimensions, operating pressure and temperature, well conditions, quantity and destination.
Can this product be manufactured from a drawing or sample?
Yes. YUXIN can review drawings and samples for material, tolerance, machining, inspection and batch-production feasibility.
Which materials and surface treatments are available?
Material and treatment options are selected around pressure, load, corrosion, wear, temperature and sour-service requirements.
How is the product inspected before shipment?
Inspection planning can include dimensional checks, material documentation, assembly review and product-specific pressure or functional testing.
Can YUXIN support distributor and project orders?
Yes. Batch supply, export packing and order documentation can be organized for distributors, service companies and project procurement.
How is final compatibility confirmed?
Website data is for preliminary selection. Final compatibility is confirmed against the approved drawing, specification and purchase requirements.
Engineering Inquiry
Send Product Requirements
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