Work-Over 7 : To perform one or more of a variety of remedial operations on a producing well with the hope of restoring or increasing production. (Bul 10C)
The Mudblogger (Oilfield, Energy and Related Photographs), Oil Field Glossary, TX, USA 2014. http://mudblogger.com/oilfield-glossary/, (Oil - Amer) {777}