New vanishing chip and its tests in laboratory conditions

by B. T. Ratov, B. V. Fedorov, A. R. Bajboz, D. R. Korgasbekov
Published 2019

Drilling carbide rock cutting tool of a new type

by A. A. Kozhevnikov, E. T. Besimbaev, B. T. Ratov, V. L. Khomenko, A. R. Bajboz
Published 2016

Influence of the thickness of the wall of the drilling pipe on the length of the semi-final in the comprised combined drilling column

by A. A. Kozhevnikov, Ju. L. Kuzin, A. A. Leksikov, B. T. Ratov, A. R. Bajboz
Published 2017