DRILL PIPE USA™
We import from the best mills around the world.
Please let us quote your next drill string and we look forward to doing business with you.
DPU's drill collars are made of self-designed premium alloy steel bar and pipe materials, and heat treated by continuous gas furnace to meet the mechanical requirements in API Specs. In addition, to meet customers' special order, DPU also provide collars with impact power greater than 80 Joule, and collars with impact power greater than 110 Joule. DPU supplier utilizes double end trepanner to machine drill collars, which could provide collars with consistently even and balanced wall thickness.
2、Elevator, Slip Recess or Slip Holes
Unless otherwise specified, those are machined according to API RP7G recommendation.
3、Stress Relief Groove
4、Cold Rolling of Thread Roots
5、Make In & Break Out
6、 Hardbanding DPU (QHD) fabricate customer specified hardbanding materials. Besides DPU standard hardbanding material HB9000, we are one of the certified applicators of ANRCO 100XT, 300XT, etc.
7、Thread Surface Process
All threads will be treated with phosphate coating process to improve wearness and prevent galling.
© 2006 - All Rights Reserved
Drill Pipe USA™ is a Trademark of Wesley Holley RBI Industries LLC.