Головата, Ю. Б., Д. М. Зварич, and Г. Н. Семенцов. “THE ANALYSIS OF THE IMPACT OF MUD PUMPS EFFICIENCY ON THE WELL DEEPENING WITH ELECTRIC DRILL”. Oil and Gas Power Engineering, no. 2(26) (October 25, 2016): 7–18. Accessed April 28, 2024. https://nge.nung.edu.ua/index.php/nge/article/view/381.