Dart 08 : (n.) Well Workover and Intervention. A device dropped or pumped through a tubing or coiled tubing string to activate downhole equipment and tools. See: Coiled Tubing String
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}