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This paper details a comprehensive AC interference analysis and implementation of an extensive AC corrosion mitigation and monitoring system for a 100-mile (328 kilometer) portion of a regulated pipeline.
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This paper will focus on design parameters required for cathodic protection (CP) of stainless steel screens with particular attention on design and operational current density values and suitable protection criteria. The detrimental effects of overprotection will also be discussed.
By implementing Automated Waveform Analysis during CP surveys, operators of structures using CP systems can accurately and consistently record CP data to better assess their level of protection.
Specific challenges encountered in the application of CP to thermally insulated pipeline risers in northern Alberta (Canada). The CP issues resulting from the use and installation of thermal insulation, resistance heating (heat trace), and other instrumentation are discussed.
Various solutions implemented to achieve effective corrosion control in above ground crude oil storage tanks have been described to evaluate effectiveness of the implemented solutions. The effectiveness of the implemented corrosion control methods has been evaluated over a period of more than twenty years.
Temperature effect on cathodic protection (CP) design current density was examined by electrochemical tests, and a case study of optimized CP design for the FPSO (Floating Production Storage and Offloading) using a computational analysis tool was performed.
For reinforced concrete (RC) structures that are in drier locations but still need of cathodic protection (CP), impressed current cathodic protection (ICCP) systems are preferred. In this study, the performance of activated zinc anodes installed on dry or high resistance concrete on Florida Bridges was evaluated.
An alternative method for directly measuring effectiveness of AC-induced corrosion control and mitigation efforts. This method takes the form of traditional coupons imbedded with ultrasound testing (UT) transducers designed to directly measure and track coupon metal loss and related corrosion-induced anomalies.
Here we would like to elaborate on corrosion risk associated with coatings that shield cathodic protection.
This paper discusses options available to rehabilitate, extend the service life and strengthen damaged columns and piles in marine environments.
In this study, enamel-coated steel pipe samples with various levels of cathodic protection were tested to investigate their impedance models by electrochemical impedance spectroscopy (EIS).
Design issues with well casing Cathodic Protection - CP. Need for and benefits of CP discussed. Case history dealing with design issues and what solutions were available and utilized.