Topic
Corrosion control and cathodic protection explained by certified specialists: CP design, potential surveys, stray current, and pipeline integrity.
At a glance
Longer guides that explain the methods and the codes behind this work.
1 to 24 of 64
Corrosion and Cathodic Protection
What 49 CFR 192.465 and 195.573 require of an annual cathodic protection survey: intervals, criteria, rectifier and bond checks, records and repairs.
10 min read
Corrosion and Cathodic Protection
Cathodic protection systems fail quietly. Here are 7 common causes, from rectifier faults to stray current, and the test readings that flag trouble early.
11 min read
Corrosion and Cathodic Protection
Cathodic protection compliance on a Colorado pipeline depends on the type of line: 192.465 for gas, 195.573 for hazardous liquids, ECMC rules for flowlines.
4 min read
Corrosion and Cathodic Protection
CP in high-resistivity Rocky Mountain soil takes more voltage to push the same current, so we survey the whole route and size for the driest season.
4 min read
Corrosion and Cathodic Protection
Stray current corrosion can destroy pipelines and buried infrastructure fast. Learn how it happens, why it's increasing, and how cathodic protection helps.
6 min read
Corrosion and Cathodic Protection
AMPP certifications like CP4 don't replace a professional licensed engineer for cathodic protection design. Here is the legal difference and what it means.
10 min read
Electrical
What separates a field-tested electrical and corrosion expert witness from paper-only opinions? Get screening questions and a retain-or-pass checklist.
9 min read
Forensic
Corrosion in water infrastructure leaches lead into taps and drives main breaks. How cathodic protection and testing protect a residential water supply.
7 min read
Corrosion and Cathodic Protection
Machine learning for cathodic protection turns CP monitoring into predictive maintenance, spotting anomalies before corrosion damages pipelines.
7 min read
Corrosion and Cathodic Protection
Regular mechanical integrity assessments catch corrosion, cracks, and equipment failures early. Learn what inspections involve and when to schedule.
5 min read
Corrosion and Cathodic Protection
Corrosion in shale wells from CO2, H2S and fracking fluids damages equipment fast. Proven protection strategies, from inhibitors to cathodic systems.
4 min read
Corrosion and Cathodic Protection
How a DCVG survey is conducted: current interruption, paired half-cell readings over the pipe, coating holidays, and what the results can and cannot show.
7 min read
Corrosion and Cathodic Protection
Construction site commissioning for cathodic protection: from soil assessment to energizing the system and baseline testing, and why every plan needs it.
6 min read
Corrosion and Cathodic Protection
Anodes in cathodic protection: how sacrificial and impressed current anodes protect buried and submerged metal, and how to keep them working.
6 min read
Corrosion and Cathodic Protection
Three challenges in comprehensive cathodic protection design: stray current interference, uneven current distribution and high soil resistivity.
6 min read
Corrosion and Cathodic Protection
Corrosion in the power industry starts in plant gas and water lines. Common causes and effects, and how cathodic protection extends their service life.
6 min read
Corrosion and Cathodic Protection
Why your project needs a NACE/AMPP certified CP4 cathodic protection specialist backed by a licensed professional engineer, and how to hire one.
4 min read
Corrosion and Cathodic Protection
Cathodic protection maintenance after start-up: annual surveys, rectifier inspections, interference testing, repairs and what owners can check between visits.
10 min read
Corrosion and Cathodic Protection
Learn how to interpret cathodic protection survey data (on, instant-off, and depolarized potentials) and what the -850 mV criterion means for your pipeline.
8 min read
Corrosion and Cathodic Protection
Explore 4 cathodic protection testing methodologies (rectifier checks, CIPS, anode output, and AC interference surveys) that keep pipelines corrosion-free.
2 min read
Corrosion and Cathodic Protection
What do cathodic protection engineers do? Learn their responsibilities, required PE licensure, AMPP certifications, and how to choose a qualified firm.
8 min read
Electrical
How pipeline electrical isolation confines cathodic protection current, prevents interference and corrosion, and keeps personnel safe around pipelines.
3 min read
Corrosion and Cathodic Protection
The cathodic protection testing equipment a CP survey uses: reference electrode, voltmeter, multimeters and soil resistivity meter, and what each measures.
4 min read
Corrosion and Cathodic Protection
What is NACE? It is now AMPP. What NACE certification means, the CP1 to CP4 cathodic protection levels, coating inspector levels and how to verify one.
7 min read
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