Mitcorr Technical Guide Series
Eight engineering guides covering cathodic protection design, survey, and systems: published as web articles for open accessIntroduction to Cathodic Protection
A primer on electrochemical corrosion, galvanic vs. impressed current systems, protection criteria, and typical CP applications across infrastructure sectors.
Read Guide →Pipeline CP Design Fundamentals
Soil resistivity testing, current demand calculations, anode groundbed design, and transformer rectifier sizing for onshore pipelines per NACE SP0169 / ISO 15589-1.
Read Guide →Offshore CP Design (DNV-RP-B401)
Offshore CP design methodology including sacrificial anode alloy selection, seawater corrosion zone current densities, and anode retrofit planning per DNV-RP-B401.
Read Guide →CIPS & DCVG Survey Procedures
Field procedures for close-interval potential surveys and DCVG coating defect detection: including data interpretation and severity classification.
Read Guide →Stray Current Interference & Mitigation
Static and dynamic stray current interference from DC railways and HVDC systems: identification, measurement, drainage bonds, and polarization cell mitigation.
Read Guide →Storage Tank CP (API RP 651)
Cathodic protection of aboveground petroleum storage tanks: under-floor ICCP and sacrificial anode systems, internal CP, and monitoring requirements per API RP 651.
Read Guide →Transformer Rectifiers & CP Power Systems
Rectifier types, voltage and current control, TR sizing methodology, operational maintenance, and remote monitoring systems for impressed current CP installations.
Read Guide →AC Interference & AC Corrosion on Pipelines
AC coupling mechanisms, inductive interference from HV power lines, AC corrosion mechanisms on pipelines, and mitigation using gradient control mats and decoupling devices.
Read Guide →Key CP Standards & Codes
International standards Mitcorr designs and works to| Standard | Issuing Body | Scope |
|---|---|---|
| NACE SP0169 (2024) | NACE/AMPP | Control of external corrosion on underground or submerged metallic piping systems |
| NACE SP0176 (2022) | NACE/AMPP | Corrosion control of submerged areas of permanently installed steel offshore structures associated with petroleum production |
| NACE SP0575 (2022) | NACE/AMPP | Internal cathodic protection (CP) systems in oil-treating vessels |
| ISO 15589-1 (2015) | ISO | Petroleum, petrochemical and natural gas industries — cathodic protection of pipeline systems — Part 1: On-land pipelines |
| ISO 15589-2 (2024) | ISO | Petroleum, petrochemical and natural gas industries — cathodic protection of pipeline transportation systems — Part 2: Offshore pipelines |
| NORSOK M-503 | Standards Norway | Cathodic protection — requirements for CP design of submerged offshore installations, pipelines, internally in vessels and tanks, and seawater-containing compartments (Norwegian continental shelf) |
| DNV-RP-B401 (2021) | DNV | Cathodic protection design — recommended practice for offshore structures (galvanic anode systems) |
| API RP 651 (2024) | API | Cathodic protection of aboveground petroleum storage tanks |
| EN 12954 (2019) | CEN | Cathodic protection of buried or immersed onshore metallic structures — general principles and application for pipelines |