7 power operated oil field machines and equipment and parts and accessories therefor; namely, drills, down hole drilling motors, wet stab connectors, bent subs, motor mounted stabilizers, dump subs, orienting subs, non-magnetic drill collars, crossover subs, stabilizers, hole openers; wire line equipment; namely, conductor wire line winch drums; electrical generators; pipe recovery machines; back off shoots; plug casing setters; wire line units; side door subs; perforating guns; tubing conveyed perforators