The drill bit is widely used in the oil and gas industry, as well as PDC drill bits are actively used in drilling various wells
Special milling assembly is used to make casing window for sidetrack
String stabilizers are used to provide proper wellbore contact points of BHA and its general centralizing to obtain optimal directional performance
Maintain control of wellbore spirality and deviation may need downhole reamers to be run in BHA
Hole opener to be run in hole to enlarge existed diameter of wellbore during drilling or by separate run
Crossover sub is used to join components of drill string or BHA elements with different type of size and connection type
Mills assemblies are used to be run in workover operations to grind out metal junk downhole, drill out cement and other well intervention operations
Many auxiliary operations during drilling process may require different set of tools and accessories