Last-Shot Detection : (n.) Perforating. A surface detection system used to ensure that all tubing-conveyed perforating guns have fired, from the top shot to the bottom shot. See: Tubing-Conveyed Perforating
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}