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S2 Bow Spring Centralizer

Engineered for both high strength and flexibility, the patented S2 is a premium single piece bow spring centralizer developed for challenging wellbores.

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High Performance Single Piece

The revolutionary S2 bow spring centralizer is a high-performance, single-piece solution specifically designed for challenging wellbores.

Its engineered combination of strength and flexibility enhances run-in-hole (RIH) efficiency, reducing time and costs for operators aiming to reach total depth.

The S2's single-piece construction eliminates weak points, making it highly durable in demanding casing running environments. It is particularly suited for severe well geometries, high build rates, extended reach, and J-type and S-type wells, as well as high-temperature, high-pressure (HTHP) applications.

Manufactured to gauge, the S2 offers exceptional restoring force and superior flexibility in downhole conditions. Its innovative design has earned multiple accolades, including the prestigious Queen’s Award for Innovation.

 

Key Benefits

  • Tested to exceed API 10D
  • Supports cementing best practices
  • Made to gauge
  • Optimum stand-off
  • Zero start and running forces
  • Maximum flow by area
  • Reduced torque and drag
  • Enhanced rotation and reciprocation during RIH

Targeted applications

  • Onshore and offshore
  • Unconsolidated wells
  • Extended reach, horizontal and highly deviated wells
  • HTHP and geothermal wells
  • Shale oil & gas wells
  • OH completions w/packers
  • Sand screen completions
  • J-type and S-type

Stop Collars

The S2 is available with a corresponding range of high strength stop collars.

For more information talk to our Product Service Experts today or use our Product Finder to find the right product for your application

00SO Slip on Stop Collar

Available Sizing

S2 centralizers are available in sizes from 2 7⁄8" to 24".

For more information talk to our Product Service Experts today or use our Product Finder to find the right product for your application

Centek Product Service Experts

Download Product Overview

Download Product Overview

Also Available in this Range:

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S-H Hinged Bow Spring Centralizer

The Centek S-H Hinged centralizer is a high-strength solution engineered for challenging well applications that would typically require a single-piece design.

S-H Hinged Bow Spring Centralizer
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SHD Heavy Duty Bow Spring Centralizer

The S2 Heavy Duty Bow Spring Centralizer is engineered to provide exceptional strength and reliability in the most challenging well conditions.

SHD Bow Spring Centralizer
Customer Testimonial

Don't take our word for it!

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S2 Dutch North Sea, Netherlands
Drilling Engineer at Wintershall

"Good decision to use the Centeks. Due to the development costs we had to invest more money, but the job went well and the investment was worth the money.”

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TUR Nigeria
Christian Rogerson, Drilling Operations Engineer, Chevron

"This is a technology improvement/ innovation that will continue to be deployed for this application in deep water Agbami wells.”

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S2 USA
Completions engineer, BBC

"I was very sceptical about running this quantity of centralizers in the hole. The company man said he would bet money we’d have problems. The Centek centralizer got us to bottom under very difficult conditions.”

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UROS CT
UROS-CT North Sea
Customer

"Due to the tight tolerances and casing specifications, the UROS–CT was modelled. The simulations ran confirmed this was the best solution for the task at hand. Excellent technical support coupled with no downhole issues meant another positive outcome using Centek."

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Request a Simulation

Submit your well details to request a tailored Centek simulation and receive expert product recommendations for your application.

Complete Simulation Form
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Search our product catalogue to find the right product

The Centek Product Finder is your go-to tool for exploring our full range of centralizers and stop collars available worldwide. Designed to make product selection simple, it provides instant access to key dimensional and performance data, helping you compare options and identify the best fit for your well design.

Product Finder