Pipeline Corrosion and Cathodic Protection

Pipeline Corrosion and Cathodic Protection

A Practical Manual for Corrosion Engineers, technicians, and field personnel

3rd Edition - July 11, 1988

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  • Authors: Marshall Parker, Edward G. Peattie
  • Paperback ISBN: 9780872011496

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Description

This update of Marshall Parker’s classic text contains the latest “hands-on” information for taking measurements and making the calculations necessary for cathodic protection of buried pipe lines. Essentially a practical field manual for corrosion technicians and engineers, it is a simple and direct introduction to the fundamentals of a complex subject. The contents cover soil resistivity surveys, potential surveys, line currents, current requirement surveys, rectifier systems for coated lines, ground bed design and installation, galvanic anodes on coated lines, hot spot protection, bond protection, stray current electrolysis, interference, operation and maintenance, and coating inspection and testing. There are also helpful appendixes that explain the fundamentals of underground corrosion, basic principles of cathodic protection, tables of properties of metals, and attenuation equations. While other books on corrosion are sometimes too theoretical for practical work, Pipe Line Corrosion and Cathodic Protection, Third Edition, shows you how to take actual field measurements and apply them to design a well-protected system.

Table of Contents

  • Chapter 1: Soil Resistivity Surveys
    Soil Resistivity Units
    Two-Terminal Resistivity Determination
    Four-Terminal Resistivity Determination
    Other Methods
    Locating Hot Spots on Bare Lines
    Surveys for Ground Beds
    Area Surveys
    Logarithmic Resistivity Ranges
    Summary

    Chapter 2: Potential Surveys
    Pipe-to-Soil Potentials: Electrodes
    Electrode Placement
    Pipe Line connection
    Surface Potential Survey for Corrosion
    Pipe-to-Soil Potential as a Criterion of Cathodic Protection
    Other Applications of Pipe-to-Soil Potentials
    Other Criteria
    Summary

    Chapter 3: Line Currents
    Measurement of Line Current in Test Section
    Stray-Current Studies
    Long-Line Currents
    Cathodic Protection Tests
    Coating Conductance Measurement
    Summary

    Chapter 4: Current Requirement Surveys
    The Problem: Coated Lines
    Principles of Current Requirement Test
    Current Sources for Tests
    Temporary Ground Beds
    Special Conditions
    Summary

    Chapter 5: Rectifier Systems for Coated Lines
    General Design Principles
    Attenuation Curves
    Line Termination
    Anode Proximity Effects
    Attenuation with Multiple Drain Points
    Design Procedure
    An Alternate Method
    The Economic Balance
    Summary

    Chapter 6: Ground Bed Design and Installation
    Design Principles
    Disturbing Factors
    Field Modification
    Installation Methods
    High-Silicon Iron Anodes
    Steel Anodes
    Horizontal Graphite Anodes
    Deep Anodes
    A Typical Ground Bed Installation
    Summary

    Chapter 7: Galvanic Anodes on Coated Lines
    When and Where to Use Magnesium
    When and Where to Use Zinc
    General System Design
    Installation Procedure
    Polarization and Final Adjustment
    Modification of Process with Experience
    Sample Problems
    Summary

    Chapter 8: Hot Spot Protection
    What Hot Spots Are
    Hot Spot Protection
    Locating Hot Spots
    Anode Selection and Spacing
    Field Installation
    Field Design
    Zinc Anodes in Hot Spot Protection
    Installation Details
    Supervision and Control
    Summary

    Chapter 9: Stray-Current Electrolysis
    Stray Current Corrosion
    Sources of Stray Currents
    Detection of Stray Current
    Remedial Measures
    Negative Bus Bonding
    Exposure Areas
    Potential Surveys
    Secondary Exposure
    Summary

    Chapter 10: Interference In Cathodic Protection
    The Problem
    Basic Solutions
    Design
    Crossing Bonds
    Calculation of Bond Resistance
    Multiple Bonds
    Auxiliary Drainage
    Parallel Lines
    Radial-Flow Interference
    Foreign Lines with Insulating Joints
    Summary

    Chapter 11: Operation and Maintenance
    Importance of Adequate Supervision
    Failures in Rectifier-Ground Bed Systems
    Failures in Magnesium Anode Systems
    Minimum Inspection Schedule for Rectifier-System
    Minimum Inspection Schedule for Anodes
    Monitor System
    Troubleshooting
    Summary

    Chapter 12: Coating Inspection and Testing
    Construction Inspection
    Evaluation of Coating in Place
    Coating or Leakage Conductance
    Pearson Surveys
    Accelerated Coating Tests
    Summary

    Appendices
    Appendix A: Fundamentals of Corrosion.
    Appendix B: Cathodic Protection of Steel in Soil. Appendix C: Corrosion of Steel in Soil.
    Appendix D: Attenuation Equations

    Index

Product details

  • No. of pages: 166
  • Language: English
  • Copyright: © Gulf Professional Publishing 2013
  • Published: July 11, 1988
  • Imprint: Gulf Professional Publishing
  • Paperback ISBN: 9780872011496

About the Authors

Marshall Parker

Marshall Parker began his career at Houston Light & Power Co & was a registered P.E in Texas & consultant on pipeline corrosion for many years. He was also active in the National Association of Corrosion Engineers, serving on several technical committees.

Affiliations and Expertise

Formerly Houston Light & Power Co

Edward G. Peattie

Affiliations and Expertise

Edward G. Peattie has held positions in the energy industries, both in the U.S. and overseas. He is a member of the SPE of AIME, NACE, NSPE, ACS, AIChE, ASM, and AAAS. Mr. Peattie is also a registered professional engineer in the state of Ohio, and is now a consulting engineer in Florida.

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  • wei c. Thu Feb 27 2020

    Content of the book

    Feed for what i need. Good book