Drillability prediction in some metamorphic rocks using composite penetration rate index (CPRI) – An approach - Srivastava, Gaurav Kumar; Vemavarapu, M.S.R. Murthy (International journal of mining science and technology, 2021)
Keywords: Abrasivity; Composite penetration rate index (CPRI); Drillability; Hardness; Metamorphic rocks; Composite penetration rate index (CPRI); Abrasivity; Metamorphic rocks; Drillability; Hardness