Attenuation 16 : The loss in acoustic energy which occurs between any two points of travel (this loss may be due to absorption, reflection, etc.), or the controlled reduction in sensitivity within the instrument. (RP 2X)
The Mudblogger (Oilfield, Energy and Related Photographs), Oil Field Glossary, TX, USA 2014. http://mudblogger.com/oilfield-glossary/, (Oil - Amer) {777}