October 2018, Vol. 245, No. 10
Corrosion Control
Stopping Corrosion Under Insulation in Global Oil and Gas Facilities
By Del Williams, Technical Writer, Torrance, Calif. Corrosion under insulation (CUI) is the root cause of many of the global petrochemical industry’s most serious problems including forced shutdowns, lost production, early repair and replacement, as well as safety and environmental consequences that can cost millions of dollars per incident. CUI, which involves the corrosion of vessels or piping beneath insulation due to water penetration, is insidious because it can remain undetected until the insulation is removed for inspection or leaks occur. Water penetration can result from many causes including monsoons, rain, flooding, wash downs, and sprin
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