(n.) Drilling Fluids. An aqueous solution of sodium, calcium or zinc bromide salt or mixtures of these salts. These dense aqueous solutions are used for well completion and workover purposes. See: brine, calcium bromide, zinc bromide
Schlumberger Ltd. (The World's Leading Supplier Of Technology, Integrated Project Management And Information Solutions to Customers Working in The Oil and Gas Industry Worldwide), Schlumberger Oilfield Glossary Cedex, France 2014. http://www.glossary.oilfield.slb.com/en/Terms/sym/ a.aspx, (Ergo - Brit) {766}