Centralizers
1. Product Overview
Introducing our comprehensive series of downhole centralizers, meticulously engineered for superior performance in well completion, cementing, and other crucial operations. These robust centralizers are pivotal in providing dependable centering support to downhole tubing, ensuring consistent annular clearance within the wellbore, thereby elevating cementing integrity and operational safety to new heights. Our range encompasses spiral rigid centralizers, roller centralizers, and blade centralizers, among others, offering flexible selection tailored to specific well conditions, tubing types, and precise process requirements.
2. Core Advantages
- Our centralizers boast a diversified design, expertly crafted to excel in complex conditions, including vertical, horizontal, and high-angle wells.
- Constructed from high-strength materials like alloy steel and composite materials, they guarantee exceptional wear resistance and corrosion protection.
- The optimized structure significantly minimizes friction, easing the entry of pipe strings and enhancing operational efficiency.
- For customized needs, we offer tailored sizes and surface treatments, including chrome plating and the application of wear-resistant layers.
3. Product Type and Structural Features
Spiral Rigid Centralizer
Structure:
Its core features an integral spiral strip design, perfected through fluid mechanics for optimal performance. The addition of wear-resistant convex points on the surface further enhances durability.
Features:
The spiral flow channel adeptly reduces mud flow resistance, mitigating the risk of disruptive eddy currents.
With high rigidity support, it is ideal for high-speed and high-torque scenarios.
Available in optional welding or detachable types, ensuring straightforward on-site installation.
Roller Centralizer
Structure:
The main body integrates multiple groups of freely rotating rollers, either radially or axially arranged, with hardened roller surfaces for enhanced resilience.
Features:
This design leverages rolling friction to dramatically lower the pipe string resistance, making it perfect for lengthy horizontal sections or wells with substantial displacement.
The rollers adapt to irregular well wall shapes, proficiently shielding the casing from potential scratches.
Engineered to resist high temperatures, it is exceptionally suited for deep and ultra-deep wells.
Blade Centralizer
With 3 to 6 arc-shaped blades strategically distributed around the circumference, each blade end is crafted with smooth chamfers for optimal performance.
Features:
This lightweight construction is ideal for standard vertical wells or small wellbore operations.
The blades' elastic deformation accommodates changes in well diameter, ensuring a stable centralizing force throughout the operation.
Cost-effective, easily maintainable, and configurable in batches at critical pipe string nodes.
4. Technical Parameters
| Parameters |
Spiral Centralizer |
Roller Centralizer |
Blade Centralizer |
| Pipe diameter |
Φ73mm~Φ339.7mm |
Φ88.9mm~Φ244.5mm |
Φ60.3mm~Φ177.8mm |
| Working Temperature |
-30ºC~180ºC |
-20ºC~220ºC |
-30ºC~150ºC |
7″×8.125″,6 5/8″×8.125″,5 1/28″×8.125″,4 1/2″×5.600″, etc. Specific sizes can be customized according to customer needs.
5. Recommended application scenarios
Spiral Rigid Centralizer: Perfect for directional wells and high sand content formations, offering exceptional performance in cementing operations that demand superior centering.
Roller Centralizer: Ideally suited for horizontal wells, high-angle wells, and environments where minimizing casing wear is of utmost importance.
Blade Centralizer: Designed for conventional vertical wells, cost-effective operations, and temporary centralizing needs without compromising on efficiency.
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FAQ
Q1. How can I get samples of any product to confirm the quality?
A:1. Please provide us with your exact quantity. We can provide you with samples according to your specifications.
2. We can provide you with counter samples according to the samples you sent.
Q2. How can I get the price of the product?
A:1. Please send us your exact quantity. We can send you samples and pricing details back.
2. If you don't know any specifications. Please send us pictures of your products. We will give you an estimated price according to your pictures based on your needs. But the exact price must be given after we check your original samples.
Q3. I don't know the material or any other material information, how can I order from you.
A: It's the best way if you can send us samples so that we can provide you counter samples to check the quality. We will also quote you a price to verify the cost. After confirming all of these, you can contact our sales to place an order.
Q4. I am a small wholesaler, do you accept small orders?
A: If you are a small wholesaler, no problem, we are willing to grow with you.
Q5. Can you provide OEM or ODM service?
A: Yes. We can accept OEM services. Also, welcome to choose our ODM. Welcome to your inquiry!
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