What type of drill bit is best suited for formations with high compressive strength and low abrasivity, and what parameters influence it?

For formations with high compressive strength and low abrasivity, a Polycrystalline Diamond Compact (PDC) bit is generally the best choice. PDC bits use fixed cutters made of synthetic diamonds bonded to a tungsten carbide substrate. These cutters shear the rock formation as the bit rotates, making them very effective in hard, non-abrasive formations. Unlike roller cone bits that crush the rock, PDC bits rely on a continuous shearing action, which is more efficient in formations that resist indentation but c....