Detector or Detector Shoe : A scanning shoe carrying one or more transducers. Is used to protect transducers from mechanical damage from the pipe surface, etc. (RP 5A5)
The Mudblogger (Oilfield, Energy and Related Photographs), Oil Field Glossary, TX, USA 2014. http://mudblogger.com/oilfield-glossary/, (Oil - Amer) {777}