Free Monitoring of Technical Condition of the Wire Ropes of Drilling Rigs for Production and Exploratory Drilling of Oil and Gas Wells: Technology, Efficiency, Prospects Slesarev D.A., Potekhin O.P., Shpakov I.I., Volokhovsky V.Yu., Vorontsov A.N. DOI: 10.24000/0409-2961-2018-6-13-22 Year: 2018 Issue num: 6 more