Course Objectives

• Corrosion principles and mechanisms
• Types of corrosion that are related to the oil, gas and water
• Materials of Construction for Refinery Applications
• Corrosion Monitoring and inspection Methods
• Aspects of Corrosion inspection and anti-corrosion management and mitigation

Course Outline

Introduction to Corrosion

• General corrosion, Corrosion mechanisms, Types of corrosion, Causes of corrosion failures
• Parameters influencing corrosion in the refining industry
• Different hydro carbon streams, Sulfur, Acidity, (TAN) number, pH Control, Desalting, Distilling, High and Low temp corrosion

Types of Corrosion in the Refinery Industry, Related to Oil, Gas and Water

• Wet H2S cracking, Causes, Hydrogen Induced Cracking and stress-oriented hydrogen induced Cracking (HIC/ SOHIC), Hydrogen Blistering.
• Naphthenic Acid Corrosion
• Carbonate Cracking (CC)
• Chlorine Stress Corrosion Cracking
• Ammonia Stress Corrosion Cracking
• Caustic Cracking
• Amine Plant Corrosion
• Microbiologically Induced Corrosion (MIC)
• Pitting Corrosion
• Erosion Corrosion
• Crevice Corrosion
• Corrosion under Lining
• Bimetallic Corrosion

Materials of Construction for Refinery Applications

• Common Materials in the Refinery Industry
• Carbon Steel
• Low Alloy Steels containing chromium and molybdenum,
• Stainless steels
• Nickel based alloys
• Selecting the proper material for the application
• Corrosion Protection and Monitoring

Coatings and linings

• Inhibitors, Types, Efficiency, Selection, H2S scavenger, Batch and continuous injection treatment
• Corrosion Monitoring Methods
• Off-Line Checks
• Corrosion coupons, probes
• On-line systems, types of on-line corrosion monitoring technologies such as Linear Polarization Resistance, Electrochemical Noise and Electrical Resistance