O-CAT Technician

OCAT Technician Certification

O-CAT Technician

The Offshore Corrosion Assessment Training (O-CAT Technician) Certification addresses the elements of in-service inspection and maintenance planning for fixed offshore structures.

Who should pursue

Anyone involved in corrosion control and integrity management of fixed offshore structures. The certification benefits varied levels of professionals including:

  • Management and planning personnel
  • Field inspectors conducting in-service inspections of the facility
  • Offshore platform operations personnel

Steps to Certification

  1. Work experience and education requirements

    1.5 years work experience

  2. Course requirements and suggestions

    NACE Offshore Corrosion Assessment Training (O-CAT) Course - Strongly recommended

  3. Certification and application requirements

    Certification candidates have four (4) years to complete all requirements, including a successful completion of the exam, and an approved application with the required work experience and education requirements.

  4. Core exam requirements

    Certification Exam - O-CAT Technician Practical Exam

    Coming soon:
    Practical Exam Preparation Guide

    Note: This exam is delivered as part of the NACE O-CAT Course

    Certification Exam - O-CAT Technician Written Exam

    Written Exam Preparation Guide

    Note: This exam is available on CBT at Pearson VUE

Register for Course

Exam Preparation Guides

Written Exam Preparation Guide

Coming soon:
Practical Exam Preparation Guide


About computer-based testing (CBT)

Certification ethics

My certification portal

Certification exams

NII certification requirements include the practical exam administered at the end of course, along with an exam delivered via computer-based testing (CBT).

The multiple-choice CBT exam is scheduled separately from the course and delivered via Pearson VUE. A voucher needed to schedule the CBT exam is included as part of your initial course registration.

Renewal requirements

An approved recertification application is required every 3 years. The work experience requirement for renewals for all certifications is one and half (1.5) years for the most recent three (3) year period. Additionally, some certifications have other requirements related to responsibility in charge. 

As you prepare for renewal, you can use the Work Experience/Professional Development Log to keep track of your work experience and Professional Development Hours (PDH’s). Work experience and PDH’s will be submitted in your renewal application. See the certification renewal guide for PDH's requirements.

Certification holders are required to pay a non-refundable processing fee for renewal.
NOTE: NACE reserves the right to return any incomplete applications or those that do not meet the requirements. All application fees are non-refundable. To avoid processing delays or forfeiture of fees, please ensure that the application is complete, meets all the requirements and payment has been received.