Hinged Non Welded Positive Rigid Bow Centralizer
The COS Hinged Non-Welded Positive Rigid Bow Spring Centralizer is engineered to deliver maximum stand-off and reduced drag in challenging well conditions. Its unique flat-bottom U-profile bows minimize friction in deviated holes while ensuring nearly 100% stand-off in cased hole applications. Designed for strength and reliability, these centralizers enhance fluid circulation and improve cementing efficiency.
Key Benefits
- Reduced frictional drag for easier casing movement in deviated wells
- Provides maximum stand-off for improved zonal isolation and cement bonding
- U-profile bow design ensures wide fluid passage and eliminates weak spots
- Self-locking end collars allow quick installation with a secure grip
- Available in multiple U-profile depths for flexible wellbore requirements
- Manufactured from high-grade alloy steel for consistent spring performance
- Corrosion-resistant coating with iron phosphate treatment + polyester powder finish
Technical Details
- Available bow configurations: 10 special U-profile sizes for various hole diameters
- Supplied ¼″ (6 mm) less than hole ID for reliable centralization
- Shipped in half-assembled condition for cost-efficient storage and transport
- Sizes: 2 7/8″ to 30″ (custom sizes available on request)
Applications
- Ideal for vertical, deviated, and horizontal wells
- Suitable for cased hole operations requiring maximum stand-off
- Optimized for cementing jobs needing high fluid circulation efficiency
