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Keywords: insulation
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Proceedings Papers

Paper presented at the AMPP Annual Conference + Expo, March 19–23, 2023
Paper Number: AMPP-2023-19102
... ABSTRACT Corrosion under insulation (CUI) is a common phenomenon caused by ingressed water and corrosive species on insulated metal piping and equipment. The severity of CUI is strongly influenced by process parameters such as temperature, types of insulation, types, and concentration...
Proceedings Papers

Paper presented at the AMPP Annual Conference + Expo, March 19–23, 2023
Paper Number: AMPP-2023-19167
... ABSTRACT Corrosion under insulation refers to localized corrosion under thermal insulations which has resulted in failure incidents in the hydrocarbons industry. The non-destructive examination (NDE) inspections for in-service assets (pipes, equipment) via stripping-off insulations...
Proceedings Papers

Paper presented at the AMPP Annual Conference + Expo, March 19–23, 2023
Paper Number: AMPP-2023-19244
... ABSTRACT Corrosion Under Insulation (CUI) is one of the most significant corrosion issues in oil and gas production facilities. One way to address this issue is to use insulation materials with corrosion inhibitors. In this study, under the simulated CUI conditions in the laboratory...
Proceedings Papers

Paper presented at the AMPP Annual Conference + Expo, March 19–23, 2023
Paper Number: AMPP-2023-19209
...Paper No. 19209 MARCH 19-23, 2023 | DENVER, COLORADO Modelling of Corrosion Under Insulation in Oil Sands Andrea Marciales InnoTech Alberta 1 Oil Patch Drive Devon, Alberta, T9G 1A8 Canada Martin Huard InnoTech Alberta 250 Karl Clark Road Edmonton, Alberta, T6N 1E4 Canada Kofi Freeman Adane...
Proceedings Papers

Paper presented at the AMPP Annual Conference + Expo, March 19–23, 2023
Paper Number: AMPP-2023-19350
... ABSTRACT Corrosion under insulation (CUI) refers to the external corrosion on the metallic pipe/ equipment body subjected to thermal insulations. CUI manifests localized corrosion (mainly) and has always been a driver behind failures on thermally insulated pipelines. Despite the advent...
Proceedings Papers

Paper presented at the AMPP Annual Conference + Expo, March 19–23, 2023
Paper Number: AMPP-2023-18959
... ABSTRACT Mineral wool has been widely used for several decades as the primary thermal insulation on piping and equipment. As Corrosion under insulation (CUI) is a key challenge in the heavy industrial segment, it has been a mineral wool industry focus to reduce any effects insulation materials...
Proceedings Papers

Paper presented at the AMPP Annual Conference + Expo, March 19–23, 2023
Paper Number: AMPP-2023-19065
... ABSTRACT Online Risk Monitoring and risk reduction of Corrosion Under Insulation (CUI) is described for use in critical industrial assets using Electro-Magnetic Guided Radar (EMGR) technique and with API 581 guidelines. Risk Based Inspection (RBI) is used to optimize the inspection plan...
Proceedings Papers

Paper presented at the AMPP Annual Conference + Expo, March 6–10, 2022
Paper Number: AMPP-2022-18201
... Abstract Thermal insulation of piping, valves, tanks, and vessels is achieved by an INTEGRAL SYSTEM of corrosion mitigating coating, thermal insulation media, and external cladding. For many years the use of thermal insulation coatings TIC 's has been used for personal protection against burns...
Proceedings Papers

Paper presented at the AMPP Annual Conference + Expo, March 6–10, 2022
Paper Number: AMPP-2022-18173
... Abstract Corrosion Under Insulation (CUI) is widely acknowledged to be a critical issue facing plant operators in the oil, gas and chemical industries. CUI studies from a petrochemical facility have shown that 40-60% of pipe maintenance costs are due to CUI and approximately 10% of the total...
Proceedings Papers

Paper presented at the AMPP Annual Conference + Expo, March 6–10, 2022
Paper Number: AMPP-2022-17618
... Abstract CUI (Corrosion Under Insulation) is among the key damage mechanisms affecting equipment and piping in hydrocarbon processing facilities, as well as pipelines. The key reason behind CUI is the contact of soaked insulations with the metal(s). Insulation stand-offs and membranes can keep...
Proceedings Papers

Paper presented at the AMPP Annual Conference + Expo, March 6–10, 2022
Paper Number: AMPP-2022-17594
... Abstract CUI (Corrosion Under Insulation) is a key degradation in facilities and pipelines and known to drive 40% - 60% failures in the piping systems. CUI is known to trigger from the soaked insulations that are held in contact with the metal(s). Although high operating temperatures...
Proceedings Papers

Paper presented at the AMPP Annual Conference + Expo, March 6–10, 2022
Paper Number: AMPP-2022-17682
... with specified minimum yield strength (SMYS) 52 ksi or higher, but there were also reports of external SCC on A106 Gr B and A234 WPB steel grades. All the cracks manifested on the bare (uncoated) Outside Diameter (OD) surface of the pipe, and all were associated with wet mineral wool insulation. Common features...

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