Field Testing

On-site evaluations of corrosion and protection systems using portable tools and real-time data collection.

Coating Inspection

The Role of Stripe Coating in Preventing Early Failure

May 4, 2026

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6 min read

The Role of Stripe Coating in Preventing Early Failure

Article 0061 Why the Small Details Often Decide Coating Performance

Ken Cragle

Cathodic Protection

May 3, 2026

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8 min read

Testing Electrical Isolation

Article 0060 Why the Ohmmeter Lies - and What to Use Instead

Michael Roberts, +1

CP Rectifiers

CP Rectifier Troubleshooting: Follow the Electricity

Apr 28, 2026

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8 min read

CP Rectifier Troubleshooting: Follow the Electricity

Article 0059 A systematic approach to diagnosing rectifier problems from the incoming AC to the output terminals

Michael Roberts, +1

Pipeline Integrity

Sizing a Rectifier for Impressed Current Cathodic Protection

Apr 26, 2026

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7 min read

Sizing a Rectifier for Impressed Current Cathodic Protection

Article 0058 Design calculations get you close. Field testing gets you there.

Michael Roberts, +1

Coating Inspection

Photo Documentation for Coating Inspectors: Taking Them Is Not Enough

Apr 21, 2026

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5 min read

Photo Documentation for Coating Inspectors: Taking Them Is Not Enough

Article 0057 A field-first guide to capturing, labeling, organizing, and preserving inspection photos that still make sense later.

Ken Cragle

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

Pipeline Integrity

Apr 5, 2026

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15 min read

Current Span Test Stations

Article 0052 The Pipe as Its Own Shunt

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

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

Coating Inspection

Mar 20, 2026

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4 min read

When Surface Profile Exceeds the Coating Manufacturer’s Limits

Article 0045 How Overly Aggressive Profiles Undermine Coating Protection

Ken Cragle

Pipeline Integrity

Mar 18, 2026

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12 min read

Internal Corrosion: Sweet and Sour

Article 0044 Carbon Dioxide and Hydrogen Sulfide Corrosion

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

Coating Inspection

New Coating Inspectors: Practical Field Guidance

Mar 10, 2026

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8 min read

New Coating Inspectors: Practical Field Guidance

Article 0042 Guidance, Links, and Downloads

Ken Cragle

Coating Inspection

Mar 8, 2026

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9 min read

Dew Point - Inside and Out

Article 0041 Dew Point Explained in Different Contexts

Michael Roberts, +1

Coating Inspection

Mar 6, 2026

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5 min read

QA vs QC in Coating Inspection

Article 0040 Understanding the Difference

Ken Cragle

Coating Inspection

Clean Air: The Most Overlooked Step in Surface Preparation

Mar 5, 2026

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6 min read

Clean Air: The Most Overlooked Step in Surface Preparation

Article 0039 Understanding the Importance of Compressed Air Testing in Accordance with ASTM D4285

Ken Cragle

Reference Electrodes

Mar 3, 2026

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6 min read

Reference Cells - They're Pretty Cool

Article LJM 002 Types, Applications, and Maintenance of Reference Cells

Levi McCullough

Corrosion Inspection

How Glutaraldehyde Works as a Biocide for SRB

Feb 25, 2026

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9 min read

How Glutaraldehyde Works as a Biocide for SRB

Article 0036 Combating Microbiologically Influenced Corrosion with Effective Biocide Strategies

Michael Roberts, +1

Corrosion Inspection

Feb 24, 2026

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9 min read

Understanding ASME B31G-2023

Article 0035 How to Use the Manual for Determining the Remaining Strength of Corroded Pipelines

Michael Roberts, +1

Field Testing

Feb 18, 2026

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4 min read

Soil Resistivity

Article LJM 001 Soil Resistivity Measurement

Levi McCullough

Field Testing

The Role of Stripe Coating in Preventing Early Failure

Testing Electrical Isolation

CP Rectifier Troubleshooting: Follow the Electricity

Sizing a Rectifier for Impressed Current Cathodic Protection

Photo Documentation for Coating Inspectors: Taking Them Is Not Enough

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

Current Span Test Stations

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

Why Quality Coating Matters to Cathodic Protection

Influencing Factors: Temperature, Oxygen & Relative Movement

When Surface Profile Exceeds the Coating Manufacturer’s Limits

Internal Corrosion: Sweet and Sour

Setting A Current Interrupter - Fun Stuff

New Coating Inspectors: Practical Field Guidance

Dew Point - Inside and Out

QA vs QC in Coating Inspection

Clean Air: The Most Overlooked Step in Surface Preparation

Reference Cells - They're Pretty Cool

How Glutaraldehyde Works as a Biocide for SRB

Understanding ASME B31G-2023

Soil Resistivity

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