Following a number of recent in-service incidents with flexible pipe a literature survey of relevant published documents was commissioned to assess the amount of literature available in the public domain regarding the corrosion of reinforcing armour wires in the annuli, ie. between the internal and outer sheaths, of flexible pipes. Three conditions were to be examined, undamaged, damaged and, damaged and repaired.

Reinforcing wire corrosion in flexible pipe

Original post by HSE and many thanks to them for allowing “I want CHAS” to use and their entry about Health & Safety