Slip-On Welded Semi-Rigid Bow Spring Centralizer
COS Slip-On Welded Semi-Rigid Bow Spring Centralizers are built for high-performance casing centralization in deviated and horizontal wells. Their semi-rigid design combines the flexibility of bow springs with the strength of rigid centralizers, ensuring superior stand-off and mud removal even under heavy loads.
Key Benefits
- Provides high restoring force and strong stand-off in tough wellbore conditions
- Slip-on installation → quick and simple casing operations
- Set screw stop collars increase holding force and prevent slippage
- Collars with roll-formed peripheral ridges deliver added strength and stability
- Available with multiple bow height options for optimized performance
- Built for long-term reliability with rust- and wear-resistant coating
Features
- Semi-rigid design balances strength and flexibility
- Slip-on design for direct installation on casing pipe
- Configurable with four standard bow heights
- Optional set screw stop collars for improved grip
- Iron phosphate coating + polyester powder finish for corrosion protection
- Sizes: 2 7/8” to 30” (custom sizes available upon request)
Applications
- Deviated and horizontal wells where lateral loads are high
- Cementing jobs requiring strong stand-off and efficient mud removal
- Operations needing the combined benefits of spring action and rigid strength
