What is an opportunity crude oil? Home › Forums › Petro Solutions Forum › Product Quality › What is an opportunity crude oil? Tagged: corrosion, desalter, extra heavy crude, fouling, naphthenic acids This topic has 0 replies, 1 voice, and was last updated 3 years, 8 months ago by Nasir Hussain. You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In Log in / Register