دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a compound in which chromium has a valence of 6, e.g., sodium bichromate. Chromate may be added to drilling fluids eimer directly or as a constituent of chrome lignites or chrome lignosulfonates. In certain areas, chromate is widely used as a corrosion inhibitor, often in conjunction with lime.

n: organic drilling fluid additives derived from by products of sulphite paper manufacturing processes from coniferous woods. Some of the common salts, such as the ferrochrome, chrome, calcium and sodium, areused as universal dispersants while others are use