Our Non-Mag Drill Collars are made from oilfield industry standard modified stainless steel. RDS M-SERIES offers specific types of drill collars (slick, flex, and spiral) that are engineered for specific purposes in both vertical and horizontal drilling.
Drill Collars, Oil & Gas field Equipment
What is the difference between drill pipe and drill collar
Functions of the Drill Collars - Download Free PDF Book
China Drill Collar-Slick and Spiral Downhole Pipe Manufacturer and Supplier
Typical schematics of drill string whirling vibration in a vertical
Heavy Wall Drill Pipe, Oil & Gas Field Equipment
Safety Clamps - Crown to Ground Oil Tools
Presentation: Heavy Weight Drill Pipe and Drill Collar
Drill Collars
Drill Collars
Drill String Components Guide In Oil & Gas - Drilling Manual
