Current Requirement Testing

Evaluation of electrical current needed for adequate cathodic protection in corrosion control systems.

External Corrosion

Over-Protection: When More Cathodic Protection Becomes the Problem

May 10, 2026

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6 min read

Over-Protection: When More Cathodic Protection Becomes the Problem

Article 0062 When CP is Pushed Past its Upper Limit

Michael Roberts, +1

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

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 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

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

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

Pipeline Integrity

Feb 1, 2026

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1 min read

Resistance Measurements

SOP 004 - Corrosion Control SOP Template

Michael Roberts, +1

Pipeline Integrity

Resistance to Earth in Cathodic Protection

Feb 1, 2026

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5 min read

Resistance to Earth in Cathodic Protection

Article 0025 A Practical Guide for Field Technicians

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

Pipeline Corrosion

Jan 4, 2026

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6 min read