Centralizer / Under Reamed
Sub and ASLO™
Features
  • Minimized Envelope: The specialized sub provides a low-profile mounting section for the centralizer. 

  • Maximum Passability: Delivers at least a 30% improvement in restriction passage compared to conventional Sub-Cage systems. 

  • Performance at target depth: Maintains strong, stable restoring force to ensure optimal casing standoff. 

Options
  • Professional engineering support team

  • SUB pipeis available

  • Size range is 4 1/2” – 30”. Any special sizes can be made available upon request

  • New size designed and tested within 2-3 weeks

Quotation

Patented product- System-Level Integrity for Extreme Gaps 


For extreme under-reamed environments with minimal annular clearance or multiple severe restrictions, a standalone centralizer may face passability margins that are too slim. Sub-ASLO™ is a system-level solution that integrates a reduced-OD mandrel with the ASLO™ centralizer to minimize the effective OD envelope during passage.


Ideal Applications 

Extreme Under-Reamed Ratios: Wells with the industry's narrowest annular gaps. 

Multiple Severe Restrictions: Wellbores with complex geometries, ledges, or repeated swelling formations. 

Close-Tolerance Sections: Precise operations where the clearance between casing strings is minimal. 

High-Risk Deployments: Where ensuring the centralizer reaches target depth in 100% functional condition is mission-critical.

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