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Refinery Operator Training
More than 2 million students worldwide

Refinery Operator Training

Get the hands-on technical knowledge refineries demand from day one. This comprehensive training covers every major process unit, utility system, and safety requirement you'll encounter on the job. From crude distillation to FCC operations, you'll build the skills that make you a reliable, confident refinery operator.

Dedika for businesses

What you will learn:

This course takes you through the full scope of refinery operations, starting with petroleum chemistry and regulatory foundations and advancing through atmospheric distillation, vacuum units, conversion processes, and product treating. You will learn how to operate and troubleshoot fired heaters, reactors, compressors, and blending systems. Instrumentation chapters cover DCS operation, PID control, and safety instrumented systems. You will also develop skills in environmental compliance, process safety management, and refinery economics. By the end, you will understand how every unit connects and how your decisions affect product quality, safety, and plant profitability.

How you study in practice Refinery Operator Training

How you practice Refinery Operator Training

For companies that want to train their team

With Dedika for Business, the course includes exercises and examples tailored to your own business and the way your company needs.

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Course content

8 Chapters • 37 LessonsDuration between 4 and 360 hours (you decide)

Chapter 1See details

Refinery Industry Foundations

  • Lesson 1 • Petroleum Origins and Composition

    Covers crude oil formation, chemical composition, and classification by API gravity and sulfur content. Establishes the feedstock basis for all downstream refining decisions.

  • Lesson 2 • Regulatory and Safety Framework

    Introduces process safety regulations, environmental permit requirements, and occupational health standards applicable to refineries. Grounds operators in compliance obligations from day one.

  • Lesson 3 • Operator Roles and Responsibilities

    Defines board operator, field operator, and shift supervisor duties within the refinery hierarchy. Clarifies accountability chains essential for safe and efficient operations.

  • Lesson 4 • Refinery Layout and Units

    Maps the physical arrangement of process units, utilities, and interconnecting pipework. Enables operators to navigate the facility and understand material flow paths.

Chapter 2See details

Process Chemistry and Thermodynamics

  • Lesson 1 • Combustion and Fuel Chemistry

    Covers stoichiometric combustion, excess air control, and flue gas composition for fired heaters and boilers. Directly supports safe and efficient furnace operation.

  • Lesson 2 • Hydrocarbon Chemistry Essentials

    Reviews alkanes, alkenes, aromatics, and naphthenes relevant to refining reactions. Provides the chemical vocabulary needed to interpret process specifications.

  • Lesson 3 • Reaction Kinetics and Catalysis

    Introduces reaction rate, activation energy, and catalyst function relevant to hydrotreating and reforming. Prepares operators to manage catalyst performance and deactivation.

  • Lesson 4 • Thermodynamic Principles for Operators

    Explains heat transfer, enthalpy, and phase equilibria as applied to distillation and reaction systems. Connects thermodynamic concepts directly to observable process variables.

Chapter 3See details

Refinery Utilities and Offsites

  • Lesson 1 • Tank Farm and Product Movement

    Covers floating roof tank operation, product transfer procedures, and custody transfer metering. Operators manage inventory safely while maintaining product segregation and quality.

  • Lesson 2 • Steam Generation and Distribution

    Covers boiler operation, steam header pressure control, and condensate recovery across multiple pressure levels. Steam reliability underpins heat input, stripping, and turbine-driven equipment.

  • Lesson 3 • Hydrogen Production and Distribution

    Covers steam methane reformer operation, pressure swing adsorption purification, and hydrogen header management. Hydrogen availability is critical for hydrotreating and hydrocracking operations.

  • Lesson 4 • Flare and Relief System Operation

    Explains flare header pressure, seal drum operation, and relief valve management to safely handle emergency releases. Proper flare system operation prevents backpressure that could disable relief devices.

  • Lesson 5 • Cooling Water System Management

    Trains operators on cooling tower operation, biocide dosing, and heat exchanger performance monitoring. Cooling water quality and flow directly affect process condenser and cooler performance.

Chapter 4See details

Instrumentation and Process Control

  • Lesson 1 • Safety Instrumented Systems

    Covers safety integrity levels, safety instrumented function design, and bypass management for SIS. Operators understand when and how SIS activates to prevent hazardous events.

  • Lesson 2 • Process Measurement Devices

    Covers pressure, temperature, flow, and level transmitters including their operating principles and calibration needs. Accurate measurement is the foundation of reliable process control.

  • Lesson 3 • Distributed Control System Operation

    Trains operators on DCS graphics, alarm management, and trend analysis for real-time process monitoring. Builds proficiency in the primary operator interface used every shift.

  • Lesson 4 • Control Loop Fundamentals

    Explains feedback and feedforward control, PID tuning, and loop interaction. Operators learn to recognize and correct poorly performing control loops.

  • Lesson 5 • Advanced Control and Optimization

    Introduces multivariable control, model predictive control, and real-time optimization tools. Operators learn to interact with advanced controllers to maximize unit performance.

Chapter 5See details

Atmospheric Distillation Operations

  • Lesson 1 • Atmospheric Furnace Control

    Trains operators on fired heater startup, pass flow balancing, and outlet temperature control. Furnace operation directly sets the feed condition to the distillation column.

  • Lesson 2 • Crude Preheat Train Operation

    Covers heat exchanger network sequencing, desalter operation, and crude charge pump management. Proper preheat maximizes furnace efficiency and protects downstream equipment.

  • Lesson 3 • Product Cut Point Control

    Covers reflux ratio adjustment, side stripper steam, and draw tray temperature targets for naphtha, kerosene, and diesel cuts. Directly links operator actions to product quality.

  • Lesson 4 • Distillation Column Internals and Hydraulics

    Explains tray and packing types, vapor-liquid traffic, and flooding and weeping limits. Understanding column hydraulics enables operators to maintain stable separation.

  • Lesson 5 • Column Troubleshooting and Optimization

    Addresses flooding, foaming, emulsification, and off-spec product scenarios with systematic diagnostic steps. Builds operator confidence in resolving column upsets quickly.

Chapter 6See details

Vacuum and Secondary Distillation

  • Lesson 1 • Naphtha Stabilizer and Splitter

    Trains operators on stabilizer pressure control, reboiler duty, and light ends removal to meet vapor pressure specifications. Connects naphtha quality to downstream reformer feed requirements.

  • Lesson 2 • Sour Water and Overhead Corrosion Control

    Addresses hydrogen sulfide, ammonia, and chloride management in overhead systems to prevent corrosion and fouling. Protects equipment integrity and product quality simultaneously.

  • Lesson 3 • Vacuum System Principles

    Explains steam ejector and liquid ring pump systems that create and maintain column vacuum. Operators learn how vacuum level directly affects heavy oil vaporization and product recovery.

  • Lesson 4 • Vacuum Column Operation

    Covers feed flash zone control, wash oil circulation, and vacuum gas oil draw management. Proper operation maximizes VGO yield and minimizes metals carryover to the FCC.

Chapter 7See details

Conversion Unit Operations

  • Lesson 1 • Hydrocracker Reactor Operations

    Covers fixed-bed reactor temperature profiles, quench hydrogen management, and catalyst bed pressure drop monitoring. Safe reactor management prevents runaway and maximizes catalyst life.

  • Lesson 2 • Fluid Catalytic Cracking Fundamentals

    Covers riser reactor, regenerator, and catalyst circulation in the FCC unit. Operators learn how feed quality, catalyst activity, and operating severity interact to determine yields.

  • Lesson 3 • FCC Main Fractionator and Gas Plant

    Trains operators on the main column, wet gas compressor, and absorber-stripper system downstream of the FCC reactor. Product separation quality directly affects refinery economics.

  • Lesson 4 • Conversion Unit Troubleshooting

    Addresses afterburn, catalyst losses, reactor hot spots, and compressor surges with structured diagnostic approaches. Builds operator capability to stabilize units under abnormal conditions.

  • Lesson 5 • Delayed Coking Unit Operation

    Explains drum switching, coke cutting, and fractionator operation for the delayed coker. Operators manage the batch-continuous hybrid nature of coking safely and efficiently.

Chapter 8See details

Treating and Blending Operations

  • Lesson 1 • Additive Injection and Quality Assurance

    Addresses antioxidant, corrosion inhibitor, and detergent additive dosing systems and final product quality verification. Ensures every product batch meets customer and regulatory specifications.

  • Lesson 2 • Product Blending Principles

    Covers inline and batch blending strategies, blend property prediction, and octane and cetane optimization. Operators learn to achieve specification compliance at minimum cost.

  • Lesson 3 • Hydrotreating Unit Operation

    Covers reactor temperature, hydrogen partial pressure, and recycle gas purity management for sulfur and nitrogen removal. Hydrotreater performance directly determines product sulfur compliance.

  • Lesson 4 • Sulfur Recovery Unit Basics

    Introduces Claus process reaction furnace, catalytic converter stages, and tail gas treating for sulfur recovery. Operators understand how SRU performance affects environmental compliance.

  • Lesson 5 • Amine Gas Treating Systems

    Trains operators on absorber and regenerator operation, amine circulation rate, and lean amine quality for H2S removal. Amine system performance protects downstream units and fuel gas quality.

Certification

Your valid completion certificate

This course is for you:

  • Entry-level refinery workers: eager to build structured technical knowledge fast.

  • Chemical plant operators: ready to transition into petroleum refining careers.

  • Engineering graduates: seeking practical operational context beyond classroom theory.

  • Military veterans: translating industrial maintenance experience into civilian refinery roles.

  • Pipefitter or instrumentation technicians: moving into operator positions at processing facilities.

  • Career changers from manufacturing: drawn to the higher wages refinery work offers.

What our students say

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I like how the lessons are straight to the point and how I can switch chapters and skip content I don't need.
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