Oilfield Drill Bits Market, By Type (Roller Cone Bits, Tungsten Carbide Insert Bits, Milled Tooth Bits, Fixed Cutter Bits, Polycrystalline Diamond Compact (PDC) Drill Bits, Impregnated Bits, Others), By Application (Onshore, Offshore), By Geography (North America, Europe, Asia Pacific, Latin America, Middle East and Africa)