... almost all IADC codes suitable for sidetracking, deep well drilling Advantage: 1> TCI tricone bit, ... stock,used mud pumps,etc9> be used for water well, oil field, underground, construction, geothermal, directional ... ApplicationIt is suitable for sidetracking, deep well drilling and old well repairing.6> Current Main AvailabilitysizeBit TypeIn ... 8149.2517, 527, 537, 6176152.4517 single cone bit