Jet-Perforating : An operation similar to gun-perforating except that a shaped charge of high explosives is used to burn a hole through the casing instead of the gun which fires a projectile. (Bul 10C)
The Mudblogger (Oilfield, Energy and Related Photographs), Oil Field Glossary, TX, USA 2014. http://mudblogger.com/oilfield-glossary/, (Oil - Amer) {777}