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 CORROSION CONTROL IN GAS, OIL (E637) QR Code

CORROSION CONTROL IN GAS, OIL

Overview:

Introduction:

This training course provides deep knowledge of corrosion and focuses on the examination and identification of metallurgical problems that occur in process units and methods of monitoring and damage reduction.

The equipment costs are a considerable part of the investment in the petrochemical and water industry, and for long-distance, large-diameter pipelines, they can become prohibitively high if the corrosivity of the fluid necessitates the use of corrosion-resistant alloys instead of carbon steel. Better understanding and control of the corrosion of carbon steel can increase its application range and therefore have a large economic impact.

Corrosion Control is an essential requirement in Oil & Gas activities. It utilizes the application of engineering principles and procedures to minimize corrosion to an acceptable level by the most economical method. It is rarely practical or economical to eliminate corrosion completely and in practice, one or more of the following methods would be applied.

Corrosion monitoring provides an early warning that damaging processes or conditions exist which may result in corrosion-induced failures. Moreover, it indicates the correlation of changes in process parameters and their effect on system corrosion. Corrosion Monitoring is essential to evaluate the service life of pipelines and to detect when would be the nearest replacement/shutdown

Course Objectives:

At the end of this course the participants will be able to:

  • Explore the materials of construction used in the oil, gas, and water fields
  • Learn about the corrosion theories and mechanisms
  • Understand the typical types of corrosion-related to oil, gas, and water fields
  • Learn about the corrosion monitoring and inspection methods
  • Understand the practical methods of controlling corrosion

Targeted Audience:

  • Petroleum Engineers
  • Welding Engineers
  • Process Engineers
  • Inspectors and Inspection Supervisors
  • Equipment Engineers
  • Maintenance Engineers and Planners
  • Design Engineers
  • Service Company Representatives

Course Outlines:

Unit 1: Construction Material Grades and Principles of Corrosion Engineering:

  • Metallurgy and Engineering material properties
  • Materials testing (destructive testing)
  • Material identification according to API 5L and ASME code
  • Economic impacts of corrosion
  • Theory of corrosion
  • Corrosion rates and ways of measurements

Unit 2: Types of Corrosion:

  • Galvanic corrosion
  • Localized / pitting corrosion
  • Corrosion exposed to stray currents
  • Soil corrosion
  • Crevice corrosion
  • Microbiologically Induced Corrosion (MIC)

Unit 3: Types of Corrosion (Continued)

  • Wet hydrogen sulfide H2S corrosion mechanisms
  • Corrosion Under Insulation (CUI)
  • Corrosion Under Supports (CUS)
  • Flow assisted corrosion (Erosion Corrosion)
  • Cl stress corrosion cracking
  • Intergranular corrosion

Unit 4: Corrosion Control in Oil, Gas & Water Fields:

  • Protection by changing design
  • Active Cathodic protection (Sacrifice anode)
  • Cathodic protection (Impressed Current)
  • Passive Protection (Coating)
  • Types of protection paints
  • Inhibitors

Unit 5: Corrosion Monitoring in Oil, Gas & Water Fields:

  • Thickness measurements using ultrasonic testing
  • Radiographic examination
  • Corrosion coupons
  • Electrical probes
  • Intelligent pigs
  • Risk-Based Inspection (RBI)

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