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Cathodic protection snapshot

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Name of technique Cathodic protection Use Prevent corrosion Complement protection given by coatings Definition A technique where an ionic current towards the structure from the electrolyte is used to counter the corrosion current flowing out of the structure. CP criteria CP potential of -850 mV vs. CSE An instant off potential of at least -850 mV vs CSE A minimum 100 mV polarization post instant off CP measurement techniques Soil resistivity CIPS DCVG Line current Factors affecting CP requirements pH velocity ionic type ionic concentration temperature Issues with CP Stray current corrosion Insufficient CP potential Insufficient CP current Electrical shorting I will discuss all these with examples in this major course, where you can prepare for the basics for your certification course! Check out the introductory video for the brand new course and click on the link to access! https://corrospective.com/courses/basics-of-cathodic-protection-cp-in-oil-and-gas-industry Practice your CP knowl...
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