API 653 Tank Inspector Training

Comprehensive training for tank inspection and maintenance. ASME tank code compliance. In-service inspection and risk assessment. Essential certification for refineries, petrochemical plants, and storage facilities worldwide.

API 653 certification is required for tank inspectors in refineries, storage terminals, and petrochemical facilities.

API 653 inspectors earn $80,000-$120,000+. Senior roles and consulting exceed $140,000/year.

Tank design, materials, inspection techniques, and maintenance assessment covered thoroughly.

Learn from instructors with 20+ years of tank inspection and API 653 experience.

API 653 certification opens doors in refineries, storage facilities, and major petrochemical companies worldwide.

Atlantis NDT runs API 653 Tank Inspector exam prep across all major energy hubs. Saudi Aramco's Jubail and Yanbu refining cities, ADNOC Ruwais terminals, Petronas Pengerang, and Reliance Jamnagar tank farm experience.

What this page covers

Why API 653 Training?
Advance Your Tank Inspection Career
API 653 Training by Location

What API 653 preparation covers

API 653 certifies inspectors of aboveground storage tanks — inspection, repair, alteration and reconstruction of tanks built to API 650 or its predecessors. The examination is calculation-heavy and code-reference-heavy, and candidates who arrive expecting a general NDT exam consistently underestimate it.

The reference set

API 653 itself — inspection intervals, minimum thickness, repair and alteration rules, reconstruction requirements.
API 650 — the construction code the tank was built to, which governs what "as built" means.
API 575 — recommended practice for inspection of atmospheric and low-pressure storage tanks.
ASME Section IX for welding qualification and Section V for the examination methods applied.
API 571 for the damage mechanisms credible in tank service.

The calculations that decide the result

Minimum required shell thickness by course, including the one-foot method and, where applicable, the variable-design-point method.
Corrosion rate and remaining life from measured thickness, and the inspection interval derived from them.
Floor evaluation — minimum floor thickness, MFL screening interpretation, and the settlement criteria in API 653 Annex B.
Hydrostatic test requirements following repair or alteration.

Preparation approach

Time on calculations is the single strongest predictor of passing. Candidates who drill minimum-thickness, corrosion-rate and settlement problems until they are automatic pass comfortably; candidates who read the code and hope pattern recognition carries them do not. Tabbing the code books properly matters for paper-based testing, since much of the examination is about finding the right clause quickly.

After certification

Most API 653 inspectors go on to own a tank inspection programme rather than perform isolated inspections, which brings in interval setting, CML register quality, MFL screening interpretation and audit defence. Those are programme skills rather than examination skills — see passing an API 653 client audit for what an auditor actually examines.