Swab 03 : A rubber-faced device, which closely fits the inside of tubing, that is pulled through the tubing to lift fluid from the well. Also to pull such a device through the tubing. (ITOGP)
The Mudblogger (Oilfield, Energy and Related Photographs), Oil Field Glossary, TX, USA 2014. http://mudblogger.com/oilfield-glossary/, (Oil - Amer) {777}