Hinged Bowspring Centralizer

Partnering with Centek Group, the #1 manufacturer of centralizers, we offer a full range of bowspring centralizers. We will work with you to find the best fit product for the job, balancing performance with economic factors. The OBH-W is a hinged, welded, bow spring centralizer designed with a new hinge that tests stronger than competitors.

The OBH-W hinged centralizer features heat-treated, spring-steel bows which are welded to rigid high strength end bands for optimized stand-off in less challenging wells.

The OBH-W utilizes Centek’s unique metallurgy and heat treatment process to develop strength and flexibility. Minimal start and running forces ease the casing to TD.

Tested to API 10D specification, the OBH-W centralizer consistently provides superior performance.

The integrated hinge has been developed for quick installation and with the axial load strength of our OBW non-hinged product.

It is designed for onshore, vertical and slightly deviated applications where an economic solution is preferred but performance is expected. An economical choice, the OBH-W can be used over casing couplings to remove the need for stop collars.

As with Centek’s other hinged products, the OBH-W can be nested on a pallet, taking up to 66% less space than its non-hinged counterpart. This can reduce transportation and storage costs by up to 30%. In addition, the unique integrated hinge ensures a quick installation process.



  • Designed to exceed API 10D
  • Can be used over casing couplings
  • Good centralization in less challenging wells
  • Economic choice / high performance
  • Unique, high strength hinge
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