Heavy Weight Drill Pipe (HWDP) from China Suppliers - Reliable Factory Manufacturing per API Spec 7-1
Features
Quenching and tempering heat treatment for optimized toughness and wear resistance.
100% FLUT inspection on pipe bodies (longitudinal, transverse, ultrasonic thickness), and 100% UT/MPI on tool joints, upset ends, and weld zones.
Optional upgrades: make-up/breakout torque tests, cold-rolled threads, spiral grooves on center wear pads.
Performance enhancing surface options include internal plastic coating (IPC) and hardbanding for extended tool life.
With extensive field applications in both onshore and offshore drilling, TAKELO HWDP has repeatedly demonstrated lower failure rates and extended run life, making it a trusted choice for operators seeking durability and reduced non-productive time (NPT).
Product Specification
| Size (in) | D. (In) | I.D. (in) | Tool Joint O.D. (in) | Tool Joint ID. (in) | Connection | Max. Elevator Diameter (in) | Central upset Dia. (in) | Min. Drift Dia. Size (in) |
|---|---|---|---|---|---|---|---|---|
| 3 1/2 | 3 1/2 | 2 1/4 | 4 3/4 | 2 1/4 | NC38 | 3 7/8 | 4 | 2 |
| 2 1/16 | (4 7/8, 5) | 2 1/16 | 1 13/16 | |||||
| 4 | 4 | 2 1/2 | 5 1/4 | 2 1/2 | NC40 | 4 3/16 | 4 1/2 | 2 1/4 |
| 2 9/16 | 2 9/16 | 2 5/16 | ||||||
| 4 1/2 | 4 1/2 | 2 11/16 | 6 1/4 | 2 11/16 | NC46 | 4 11/16 | 5 | 2 7/16 |
| 2 3/4 | 2 3/4 | 2 1/2 | ||||||
| 2 13/16 | 2 13/16 | 2 9/16 | ||||||
| 5 | 5 | 3 | 6 5/8 | 3 | NC50 | 5 1/8 | 5 1/2 | 2 3/4 |
| 5 1/2 | 5 1/2 | 3 1/4 | (7 1/4, 7 1/2) | 3 1/4 | 5 1/2 FH | 5 11/16 | 6 | 3 |
| 3 3/8 | 3 3/8 | 3 1/8 | ||||||
| 3 7/8 | 3 7/8 | 3 5/8 | ||||||
| 4 | 4 | 3 3/4 | ||||||
| 6 5/8 | 6 5/8 | 4 | 8 (8 1/4, 8 1/2) | 4 | 6 5/8 FH | 6 15/16 | 7 1/8 | 3 3/4 |
| 4 1/2 | 4 1/2 | 4 1/4 | ||||||
| 5 | 4 3/4 |
Frequently Asked Questions
What are the primary benefits of your heat treatment process?
Our heavy weight drill pipes undergo a specialized quenching and tempering heat treatment, which is designed to provide optimized toughness and superior wear resistance for demanding drilling conditions.
What kind of inspections do the drill pipes undergo?
We maintain strict quality control with 100% FLUT (longitudinal, transverse, ultrasonic thickness) inspection on pipe bodies. Additionally, we conduct 100% UT/MPI on tool joints, upset ends, and weld zones to ensure maximum reliability.
What optional upgrades are available for the drill pipes?
We offer several optional upgrades to meet specific operational needs, including make-up/breakout torque tests, cold-rolled threads, and spiral grooves on center wear pads.
What coating and hardbanding options do you offer?
To extend tool life, we provide Internal Plastic Coating (IPC) options such as TK34, TK34P, TC2000, and DPC2000. Our hardbanding options include industry-leading choices like Arnco 100XT and Arnco 300XT.
Where can TAKELO HWDP be applied?
TAKELO Heavy Weight Drill Pipes are highly versatile and suitable for extensive field applications in both onshore and offshore drilling operations.
How does this product help reduce Non-Productive Time (NPT)?
By utilizing advanced heat treatments, comprehensive inspections, and durable surface enhancements, our drill pipes repeatedly demonstrate lower failure rates and extended run life, directly reducing costly NPT for operators.




