:: Training Aids: AV Materials
Care and Handling of Drill Collars (Script Only)
Catalog No. 65.1078S
Drill collars are used primarily to put weight on the bit and put tension in the drill pipe. If there are too few drill collars in the bottom-hole assembly, the drill pipe string may bend. This video presentation teaches rig personnel about the function and design of drill collars and shows how to care for and handle drill collars properly to get the most from them. Produced with assistance from Smith-Drilco. 1977.
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Don’t Forget the Essentials!