China API 5DP Drill Pipe Factory: Premium Alloy Steel Suppliers for Oilfield Tubular Products
Versatile Details
With extensive field deployment across major oilfields worldwide and a proven record of high-volume supply contracts, TAKELO has become a trusted partner for drilling contractors and operators. Our dedicated oil tubular production line is specifically designed for drill pipe manufacturing, ensuring tight dimensional tolerances, consistent mechanical properties, and high production capacity for large projects.
Drill Pipe Features
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Enhanced Operational Efficiency
Supports faster drilling penetration rates, consistent hole quality, and reliable performance in vertical, directional, and extended reach wells.
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Multiple Configurations
API Drill Pipe, High Torque Drill Pipe, High Grade Drill Pipe, Sour-Service Drill Pipe available from 2 3/8" to 7-5/8".
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Premium Connection Options
Proprietary double shoulder connections and industry standard tool joints.
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Surface & Thread Treatments
Cold rolling on thread roots, phosphating, nitriding, or tungsten alloy plating to extend service life.
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Wear Protection & Corrosion Control
Hardbanding (Arnco 100XT, Arnco 300XT, etc.) and internal plastic coating (IPC) for harsh drilling fluids and abrasive formations.
Product Specifications
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Standard
API SPEC 5DP
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Size Range
2 3/8" – 7 5/8"
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Grades
E75, X95, G105, S135
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Coating Options
TK34, TK34P, TC2000, DPC2000
Product Parameters
| Size (Inch) |
Nominal Weight (lb/ft) |
Weight c/w blank end | OD | Wall Thickness | Grade | Upset Type | |||
|---|---|---|---|---|---|---|---|---|---|
| Kg/m | inch | mm | inch | mm | inch | ||||
| 2-3/8 | 6.65 | 6.27 | 9.33 | 2.375 | 60.3 | 0.280 | 7.11 | E, X, G, S | EUE |
| 2-7/8 | 10.4 | 9.72 | 14.47 | 2.875 | 73.0 | 0.362 | 9.19 | E, X, G, S | EUE |
| 3-1/2 | 13.3 | 12.32 | 18.34 | 3.500 | 88.9 | 0.368 | 9.35 | E, X, G, S | EUE |
| 3-1/2 | 15.5 | 14.64 | 21.79 | 3.500 | 88.9 | 0.449 | 11.4 | E, X, G, S | EUE |
| 4 | 14.0 | 12.95 | 19.27 | 4.000 | 101.6 | 0.330 | 8.38 | E, X, G, S | IUE |
| 4-1/2 | 16.6 | 15.00 | 22.32 | 4.500 | 114.3 | 0.337 | 8.56 | E, X, G, S | IEUE |
| 4-1/2 | 20.0 | 18.71 | 27.84 | 4.500 | 114.3 | 0.430 | 10.92 | E, X, G, S | IEUE |
| 5 | 19.5 | 17.95 | 26.70 | 5.000 | 127.0 | 0.362 | 9.19 | E, X, G, S | IEUE |
| 5 | 25.6 | 24.05 | 35.80 | 5.000 | 127.0 | 0.500 | 12.7 | E, X, G, S | IEUE |
| 5-1/2 | 21.9 | 19.83 | 29.52 | 5.500 | 139.7 | 0.361 | 9.17 | E, X, G, S | IEUE |
| 5-1/2 | 24.7 | 22.56 | 33.57 | 5.500 | 139.7 | 0.415 | 10.54 | E, X, G, S | IEUE |
| 6 5/8 | 25.2 | 22.2 | 33.04 | 6.625 | 168.275 | 0.330 | 8.38 | E, X, G, S | IEUE |
| 6 5/8 | 27.7 | 24.23 | 36.05 | 6.625 | 168.275 | 0.362 | 9.19 | E, X, G, S | IEUE |
Frequently Asked Questions
What is the standard compliance for your drill pipes?
Our drill pipes strictly comply with the API SPEC 5DP standard, ensuring high quality and reliability for drilling operations.
What size ranges do you offer for drill pipes?
We offer a wide variety of configurations with size ranges available from 2 3/8" up to 7-5/8".
Which grades of drill pipes are available?
Our drill pipes are manufactured and available in multiple grades including E75, X95, G105, and S135 to meet different operational requirements.
What kind of surface and thread treatments do you apply?
To extend the service life of our drill pipes, we apply treatments such as cold rolling on thread roots, phosphating, nitriding, or tungsten alloy plating.
How do you protect the drill pipes from wear and corrosion?
We use hardbanding (such as Arnco 100XT and Arnco 300XT) and internal plastic coating (IPC) like TK34, TK34P, TC2000, and DPC2000 to protect against harsh drilling fluids and abrasive formations.
What types of connections are provided?
We provide premium connection options, including proprietary double shoulder connections as well as industry-standard tool joints.






