Heavy Weight Drill Pipe 3-1/16” – 6-5/8” OD
- API rotary shouldered
- HI-TORQUE™ (HT™)
- eXtreme™ Torque (XT™)
- Delta™
- XT-M™
- CET
- EVRDRL™
- GEODRL™
- PTECH™
- Double Shoulder (DS)
Integral HWDP and welded HWDP (HW55, HW90)
NOV Grant Prideco™: DELTA™ I HI-TORQUE™ (HT™), eXtreme™ Torque (XT™) are registered trademarks of National Oilwell Varco and its affiliates
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