Fundamentals of Corrosion in the Oil and Gas Industry

Introduction

The course is appropriate for engineering professionals active in the oil and gas corrosion field and for those interested in learning more about the subject of corrosion. It will provide the student with sufficient background and technical fluency to understand the important issues in the field and to converse with experts. A background in materials science, chemical engineering, mechanical engineering or chemistry is recommended but not required.

Objectives

By the end of this course participants will know about:

• Fundamentals of corrosion
• Oil and Gas corrosion
• Corrosion control
• Coatings and inhibitors
• Material selection

Target Audience

• Process Engineers 
• Inspection Personnel
• Mechanical Engineers 
• Material Selection Personnel
• Corrosion Control Personnel
• Safety Officers

Corrosion & Metallurgy Outline

The course covers the following topics:

Introduction to Corrosion in Oil & Gas Industry

• Thermodynamics of Corrosion
• Nernst Equation
• Pourbaix Diagram

Kinetics of Corrosion

• Activation kinetics (Tafel Equation)
• Mixed Potential Theory
• Polarization Curves
• Concentration Polarization

Corrosion Testing

• Potentiodynamic polarization
• Polarization resistance
• Testing considerations
• Non-electrochemical methods

Oil and Gas Corrosion

• CO2 corrosion
• H2S corrosion basics
• Corrosion by organic acids
• Effect of surface scales and inhibition
• Effect of multiphase flow

Corrosion Phenomenology

• Galvanic corrosion
• Ohmic potential drops
• Passivity
• Localized corrosion
• Environmental cracking

Corrosion Control

• Coatings
• Inhibitors
• Cathodic protection
• Materials selection

Special environments

• Microbial induced corrosion
• Atmospheric corrosion
• Oxidation

Rebar corrosion