Пригоровська, Т.О.
(Породоразрушающий и металлообрабатывающий инструмент – техника и технология его изготовления и применения, 2010)
At this article it was analized the PDC drill bit running at domestic and world oil and gas
fields, based on these data the regression models of rate of penetration as the fbnction of rocks,
drill bits’ drilling ...