Skew Angle 2 : The angle by which the beam deviates right or left relative to its normal path in front of the transducer, due to curvature effects. (RP 2X)
The Mudblogger (Oilfield, Energy and Related Photographs), Oil Field Glossary, TX, USA 2014. http://mudblogger.com/oilfield-glossary/, (Oil - Amer) {777}