Beam-pumping unit is one of the elements to operate oil-producing wells using a sucker rod pump.
- Categories: Economy, Business & Finance
- Location: Republic of Udmurtia, Russia
- Event date: 01.07.1982
- Date published: 10.09.2009
- Author: V. Alekseev
- Source: Sputnik
- Credit: Sputnik
- Original: DP83-291, 6x9 slide
- Media: JPEG, 5217x3501px, 5.6Mb