Comparative characterization of the efficiency of penetrators of different shapes for thermal drilling
About authors
- 1 — Saint Petersburg Mining Institute
- 2 — Ph.D., Dr.Sci. rector Saint Petersburg Mining University ▪ Orcid ▪ Elibrary ▪ Scopus ▪ ResearcherID
Abstract
To evaluate the efficiency of the shape of the working surface of the heating device (penetrator) of thermal drilling, it was previously proposed to use their efficiency.
Similar articles
Hydraulic resistances to movement of the drilling rig on the cable in the borehole during up-and-down operations
1993 N. I. Vasiliev, B. B. Kudryashov
Selection of criterion and calculation method for drill string bottom layouts for core drilling
1993 A. G. Kalinin, A. F. Fedorov, K. M. Solodky, A. S. Povalikhin, G. V. Korosteleva