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1. DC link power supply system of electric drill
(Content №1 2020)
... drilling of wells is investigated. The necessity of transition to an electric drill power supply system with DC link “one wire ‒ pipe” is justified. This power supply system will increase reliability and ...
Created on 10 March 2020
2. Dependence of the drilling speed on the frictional forces on the cutters of the rock-cutting tool
(Mining)
... Dolgy, I. Ye. and Nikolayev, N. I., 2016. Resistance of rocks to fracture during drilling of wells. Notes of the Mining Institute, 221, pp. 655‒660. DOI: 10.18454/PMI.2016.5.655. 8. Bilgin, N., Copur, ...
Created on 08 March 2019
3. Increasing reliability and energy efficiency of electrically driven drilling units
(Power supply technologies)
... of influence on reliability and energy efficiency during drilling of wells by an electric rotation downhole motor. It allows working out measures to increase the reliability and energy efficiency indicators ...
Created on 21 May 2017

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ISSN (print) 2071-2227,
ISSN (online) 2223-2362.
Journal was registered by Ministry of Justice of Ukraine.
Registration number КВ No.17742-6592PR dated April 27, 2011.

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