دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: The process of dissolving matrix metal of diamond bit by acid soluble method and galvanic corrosion and reclaiming the diamond that can be used again.

n: a type of corrosion that occurs when a small electric current flows from one piece of metal equipment to another. It is particularly prevalent when two dissimilar metals are present in an environment in which electricity can flow (as two dissimilar joints of tubing in an oil or gas well).

n: thin. dense oxide scale that forms on the surface of newly manufactured steel as it cools. Mill scale can become cathodic to its own steel base. forming galvanic corrosion cells.

an iron oxide on the pipe walls that is formed during pipe manufacture.