Characterisation of the wear of the roller cone caused by improperly chosen drilling regime - Šporin, Jurij (RMZ-materials and geoenvironment, 2020)
Keywords: change of the material properties; drilling regime; kotalno dleto; obraba; reduced penetration rate; režim vrtanja; roller cone bit; sprememba lastnosti materiala; wear; zmanjšani napredek vrtanja