Drill String Accessories

Downhole Oil Tools represents small oil tool manufacturers and surplus suppliers of drillstring accessories for the oil industry. We uphold the highest standards in customer service, client satisfaction, and quality product delivery in the oilfield industry.

We Don't Just CLOSE Deals - We OPEN Relationships

Circulating Subs Crossover Subs Drillable Lifting Subs Drill Pipe Pup Joints

Kelly Saver Subs Lift Nubin Lifting Subs Lower Kelly Valves

Side Entry Subs (Integral) Side Entry Subs (Welded) Upper Kelly Valves