Cathodic Protection

Electrochemical technique to prevent corrosion in metals by making them the cathode in a circuit, using anodes or impressed currents.

Pipeline Integrity

Current Response Testing: Measuring What Your Pipeline Actually Needs

Apr 16, 2026

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16 min read

Current Response Testing: Measuring What Your Pipeline Actually Needs

Article 0055 Test Procedure, Worked Calculations, Anode Bed Design, and Why the Numbers Tell You More Than You Think

Michael Roberts, +1

Pipeline Excavation

Locating and Repairing Cable Breaks in CP Systems

Apr 12, 2026

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16 min read

Locating and Repairing Cable Breaks in CP Systems

Article 0054 When the Amps Drop to Zero

Michael Roberts, +1

Reference Electrodes

Close Interval Survey - The Making Of A Great Technician

Apr 11, 2026

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12 min read

Close Interval Survey - The Making Of A Great Technician

Article LJM 005 What is CIS?

Levi McCullough

Pipeline Integrity

Drainage Bond Sizing: The Calculation Behind the Mitigation

Apr 9, 2026

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16 min read

Drainage Bond Sizing: The Calculation Behind the Mitigation

Article 0053 Drainage Bond Sizing: The Calculation Behind the Mitigation

Michael Roberts, +1

Coating Inspection

What Makes a Coating Repair Acceptable in the Field?

Apr 2, 2026

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7 min read

What Makes a Coating Repair Acceptable in the Field?

Article 0051 An inspector’s view from the pipeline right-of-way

Ken Cragle

Pipeline Integrity

Stray Current: The Corrosion Problem That Isn't Yours — Until It Is

Mar 31, 2026

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13 min read

Stray Current: The Corrosion Problem That Isn't Yours — Until It Is

Article 0050 When the Current on Your Pipeline Belongs to Someone Else

Michael Roberts, +1

Pipeline Integrity

Mar 29, 2026

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13 min read

E Log I Testing for Well Casings

Article 0049 How a Polarization Curve Solves a Problem Nobody Can Dig Up

Michael Roberts, +1

Pipeline Integrity

Mar 27, 2026

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13 min read

Current Density

Article 0048 The Number Behind the Protection

Michael Roberts, +1

Coating Inspection

Why Quality Coating Matters to Cathodic Protection

Mar 26, 2026

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6 min read

Why Quality Coating Matters to Cathodic Protection

Article 0047 The Key to Lower Current Demand and Longer Pipeline Life

Ken Cragle

Pipeline Integrity

Influencing Factors: Temperature, Oxygen & Relative Movement

Mar 22, 2026

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12 min read

Influencing Factors: Temperature, Oxygen & Relative Movement

Article 0046 How three key environmental variables drive the current required for cathodic protection — and what that means in the field.

Michael Roberts, +1

Cathodic Protection

Mar 15, 2026

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9 min read

Evaluating Galvanic Anode Beds

Article 0043 Evaluating a Galvanic Anode Bed on a Pipeline: A Guide for Corrosion Field Technicians

Michael Roberts, +1

Cathodic Protection

Setting A Current Interrupter - Fun Stuff

Mar 11, 2026

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5 min read

Setting A Current Interrupter - Fun Stuff

Article LJM 003 Interrupting a CP Rectifier

Levi McCullough

External Corrosion

Understanding Shielding and Its Impact on CP

Mar 1, 2026

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8 min read

Understanding Shielding and Its Impact on CP

Article 0037 Shielding and Its Impact on Cathodically Protected Metallic Structures

Michael Roberts, +1

Pipeline Integrity

Feb 22, 2026

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6 min read

Telluric Currents

Article 0034 Telluric Currents and Their Impact on Cathodic Protection Systems

Michael Roberts, +1

Corrosion Inspection

Feb 8, 2026

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11 min read

Compliance Documentation

Article 0027 Operator Liability and the Critical Role of Documentation in Pipeline Maintenance

Michael Roberts, +1

Pipeline Corrosion

Jan 30, 2026

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7 min read

Electrochemical Basics Part 2

Basic Electrochemical Cells and the Electrochemical Reactions That Allow Preferential Corrosion to Occur at the Anode

Michael Roberts, +1

Cathodic Protection

Jan 8, 2026

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9 min read

Electrical Fundamentals Part 2

Understanding Kirchhoff's Laws and Circuits

Michael Roberts, +1

Cathodic Protection

Jan 2, 2026

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9 min read

Electrical Fundamentals Part 1

Electrical Terms and Ohm's Law

Michael Roberts, +1

Pipeline Integrity

Dec 26, 2025

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10 min read

Soil Resistivity

Article 0015 Understanding the Basics of Soil Resistivity

Michael Roberts, +1

Corrosion Inspection

The Effect of Relative Movement on Current Required for Cathodic Protection

Dec 17, 2025

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7 min read

The Effect of Relative Movement on Current Required for Cathodic Protection

Influencing Factors 04

Michael Roberts, +1

Pipeline Corrosion

Dec 16, 2025

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12 min read

Deep Anode Wells

Article 0013 An Introduction to Deep Groundbeds and Cathodic Protection

Michael Roberts, +1

External Corrosion

Applying Cathodic Protection Current to Reduce the Potential Difference Between Anodic and Cathodic Sites

Dec 9, 2025

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8 min read

Applying Cathodic Protection Current to Reduce the Potential Difference Between Anodic and Cathodic Sites

CP Theory & Application 04

Michael Roberts, +1

Corrosion Inspection

The Effect of Oxygen on Current Required for Cathodic Protection

Dec 3, 2025

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6 min read

The Effect of Oxygen on Current Required for Cathodic Protection

Influencing Factors 03

Michael Roberts, +1

Pipeline Integrity

Nov 28, 2025

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6 min read

Evan's Diagram

Electrochemistry 03

Michael Roberts, +1

Pipeline Integrity

The Effect of Temperature on Current Required for Cathodic Protection

Nov 17, 2025

•

7 min read

The Effect of Temperature on Current Required for Cathodic Protection

Influencing Factors 02

Michael Roberts, +1

Cathodic Protection

Current Response Testing: Measuring What Your Pipeline Actually Needs

Locating and Repairing Cable Breaks in CP Systems

Close Interval Survey - The Making Of A Great Technician

Drainage Bond Sizing: The Calculation Behind the Mitigation

What Makes a Coating Repair Acceptable in the Field?

Stray Current: The Corrosion Problem That Isn't Yours — Until It Is

E Log I Testing for Well Casings

Current Density

Why Quality Coating Matters to Cathodic Protection

Influencing Factors: Temperature, Oxygen & Relative Movement

Evaluating Galvanic Anode Beds

Setting A Current Interrupter - Fun Stuff

Understanding Shielding and Its Impact on CP

Telluric Currents

Compliance Documentation

Electrochemical Basics Part 2

Electrical Fundamentals Part 2

Electrical Fundamentals Part 1

Soil Resistivity

The Effect of Relative Movement on Current Required for Cathodic Protection

Deep Anode Wells

Applying Cathodic Protection Current to Reduce the Potential Difference Between Anodic and Cathodic Sites

The Effect of Oxygen on Current Required for Cathodic Protection

Evan's Diagram

The Effect of Temperature on Current Required for Cathodic Protection

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