PIPELINE CORROSION MANAGEMENT FOR OIL AND GAS PRODUCTION INSTALLATIONS ONSHORE/OFFSHORE

Level: Advanced

Instructor: Carlos A. Palacios T., M.Sc., Ph.D., P.D., NACE Fellow

OBJECTIVES:

It is an advanced and intensive five days course that will provide the student with knowledge on:

1. How to manage internal corrosion in pipelines by presenting the description of different models and a methodology to develop and implement such management systems.
2. Learn about the different forms of corrosion and complete understanding on where and how this forms of corrosion manifest along the pipelines, how to assess them, how to characterize them.
3. How to Monitor Internal Corrosion:
   • Different Types of Corrosion Monitoring – Intrusive and Non-intrusive; Direct and Indirect Methods
   • Location of Corrosion Monitoring
4. Description and Application of Non-Destructive Testing Techniques
5. Description of principles of Pipeline Design to Minimize and Manage Internal
6. Description of the Internal Corrosion Mitigation Techniques
   • Corrosion Inhibition
   • Maintenance Pigging
   • Internal Coatings
   • Materials

7. Integrity Assessment Methods
   • Principles of Fluid Dynamics
     • Fluid Flow
     • Reynolds
     • Multiphase Flow Basic Theory
   • Corrosion Rate Prediction Models
   • Introduction to NACE Methodologies for ICDA for Pipeline Integrity Assessment
     • Liquids ICDA
     • Dry Gas ICDA
     • Wet Gas ICDA
     • Multiphase Flow ICDA
   • ILI
     • Types of ILI
     • ILI – Integrity Analysis
     • Defects
     • Pipeline Integrity
       • RSTRENG
       • ASME G
       • API 579
8. Risk Based Management of Pipelines

WHO SHOULD ATTEND

This course is designed for Engineers and Managers that are working in the area of Corrosion, Corrosion Control, Pipeline Integrity and Pipeline Design.

The content will help this understand the steps involved in development, implementing and run a Corrosion Management Program as well as help in the design stage to make pipelines friendlier to control corrosion.

DAY – BY – DAY – ACTIVITIES

DAY 1     INTRODUCTION

• Introduction of Participants Management Principles Consequences of Corrosion Cost of Corrosion
• Corrosion Principles – quick refreshment: Definition of corrosion
• Wet vs Dry Corrosion – just naming the forms with a short description Thermodynamics of Corrosion
• Pourbaix Diagrams
• Internal vs External Corrosion Causes/Threats of Corrosion
• Corrosive Agents Metallurgical aspects
• Flow Thermodynamics – Phase Diagrams Biological
• Class Exercise

DAY 2. FORMS OF CORROSION

• Uniform Attack Localized Attack
• Pitting UDC
• Crevice Corrosion Microbiological (MIC) Intergranular
• CUI
• Galvanic Corrosion
• Stray Current Delloying
• Mechanically Assisted
• Erosion Corrosion Corrosion Fatigue
• Environmentally Assisted Cracking SCC
• Hydrogen Damage Flow Induced Corrosion
• FILC
• Cavitation Impingment
• CO2 Corrosion
• Review of deWaard&Milliams correlation for CO2 Corrosion Rate Calculations H2S Corrosion
• Review of NACE MR0175/ISO 15156 for SSC
• Principles of Single and Multiphase Flow Basic Flow definitions
• Meaning of Re number
• Definition of Superficial Liquid and Gas Velocity
• Flow Patterns and its influence on Flow Induced Corrosion Introduction to the Oil and Gas Industry
• A complete description of the typical oil and gas system process
• Class Exercises

DAY 3     CORROSION MONITORING

In this section a detailed analysis of the different corrosion control and monitoring methods used for internal corrosion. The external corrosion ones, are just mentioned a general information.

• Corrosion Monitoring versus Corrosion Inspection Corrosion Monitoring Techniques
• Selection and identification of best locations for monitoring internal corrosion. Weight Loss Coupons
• ER Probes Electrochemical Probes Spools
• Chemical Methods Corrosion Inspection Techniques
• Ultrasonic Testing Shear Wave – TOFD Phased Array Guided Wave
• ILI Tools – Just Introduction

Review of NACE:

• 3T199 2013 Techniques for Monitoring Corrosion and Related Parameters in Field Applications (24203-SG),
• SP0192-2012 Monitoring Corrosion in Oil and Gas Production with Iron Counts (21053-SG),
• SP0775-2013 formerly RP0775 Preparation Installation Analysis and Interpretation of Corrosion Coupons in Oilfield Operations (21017-SG),
• TM0212-2012 Detection Testing Evaluation MIC in Internal Surfaces
• ANSI/NACE Standard RP0104-2004 The Use of Coupons for Cathodic Protection Monitoring Applications (21105-SG)

Class Exercises

DAY 4     CORROSION MITIGATION METHODS

• Pipeline Design Aspects to Minimize and Manage Corrosion:
• Chemical Methods
  • Chemical Injection Systems
  • Corrosion Inhibitors
  • Scale Inhibitors
  • Other Inhibitors
• Cathodic Protection
• Materials
• Coatings
• Fluid
• Maintenance Pigging REVIEW NACE DOCUMENTS:

SP0106-2006 Control of Internal Corrosion in SP0106-2006 – Steel Pipelines and Piping Systems (21111-SG)

TM-0173 – Injection Water Quality

Class Exercises

DAY 5     PIPELINE INTEGRITY ASSESSMENT METHODS

• Integrity Assessment Methods Principles of Fluid Dynamics
• Fluid Flow Reynolds
• Multiphase Flow Basic Theory Corrosion Rate Prediction Models
• Introduction to NACE Methodologies for ICDA for Pipeline Integrity Assessment Liquids ICDA
• Dry Gas ICDA
• Wet Gas ICDA Multiphase Flow ICDA
• ILI – Intelligent Inspection Tools
• Types of ILI
• ILI – Integrity Analysis Defects
• Pipeline Integrity
• RSTRENG ASME B31.G API 579
• Risk Based Management of Pipelines
• NACE PUBLICATION 35100 2012 In-Line Inspection of Pipelines (24211-SG) SP0102-2010 formerly RP0102 In-Line Inspection of Pipelines (21094-SG)
• Introduction to NACE DA Methods for Pipeline Integrity: ICDA: Liquid, Dry Gas, Wet Gas, Multiphase.
• SP0113-2013 SP0113-2013 – Pipeline Integrity Method Selection (21171-SG)
• Class Exercises