API SPEC 7-1 Drill Pipe China Factory
Drill Pipe is a heavy, seamless tube can rotate the drill bit and circulates drilling fluid. It allows the drilling fluid to be pumped through the bit and back up the annulus. The pipe is subject to axial tension, extremely high torque and high internal pressure. Drill Pipe is durable steel pipe used in drilling activities, standards in API 5DP and API SPEC 7-1.
| Size | Weight Designation | Calculated Plain-End Weight | Outside Diameter | Grade | Wall Thickness | Upset Ends. For Weld-on Tools Joint | |||
| Lb/ft | kg/m | in | mm | In | mm | ||||
| 2 3/8 | 6.65 | 6.26 | 9.32 | 2.375 | 60.3 | E,X,G,S | 0.280 | 7.11 | EU |
| 2 7/8 | 10.40 | 9.72 | 14.48 | 2.875 | 73.0 | E,X,G,S | 0.362 | 9.19 | IU or EU |
| 3 1/2 | 9.50 | 8.81 | 13.12 | 3.500 | 88.9 | E | 0.254 | 6.45 | IU or EU |
| 3 1/2 | 13.30 | 12.31 | 18.34 | 3.500 | 88.9 | E,X,G,S | 0.368 | 9.35 | IU or EU |
| 3 1/2 | 15.50 | 14.63 | 21.79 | 3.500 | 88.9 | E | 0.449 | 11.40 | IU or EU |
| 3 1/2 | 15.50 | 14.63 | 21.79 | 3.500 | 88.9 | X,G,S | 0.449 | 11.40 | EU or IEU |
| 4 | 14.00 | 12.93 | 19.26 | 4.000 | 101.6 | E,X,G,S | 0.330 | 8.38 | IU or EU |
| 4 1/2 | 13.75 | 12.24 | 18.23 | 4.500 | 114.3 | E | 0.271 | 6.88 | IU or EU |
| 4 1/2 | 16.60 | 14.98 | 22.31 | 4.500 | 114.3 | E,X,G,S | 0.337 | 8.56 | EU or IEU |
| 4 1/2 | 20.00 | 18.69 | 27.84 | 4.500 | 114.3 | E,X,G,S | 0.430 | 10.92 | EU or IEU |
| 5 | 16.25 | 14.87 | 22.15 | 5.000 | 127.0 | X,G,S | 0.296 | 7.52 | IU |
| 5 | 19.50 | 17.93 | 26.71 | 5.000 | 127.0 | E | 0.362 | 9.19 | IEU |
| 5 | 19.50 | 17.93 | 26.71 | 5.000 | 127.0 | X,G,S | 0.362 | 9.19 | EU or IEU |
| 5 | 25.60 | 24.03 | 35.79 | 5.000 | 127.0 | E | 0.500 | 12.70 | IEU |
| 5 | 25.60 | 24.03 | 35.79 | 5.000 | 127.0 | X,G,S | 0.500 | 12.70 | EU or IEU |
| 5 1/2 | 21.90 | 19.81 | 29.51 | 5.500 | 139.7 | E,X,G,S | 0.361 | 9.17 | IEU |
| 5 1/2 | 24.70 | 22.54 | 33.57 | 5.500 | 139.7 | E,X,G,S | 0.415 | 10.54 | IEU |
| 6 5/8 | 25.20 | 22.19 | 33.05 | 6.625 | 168.3 | E,X,G,S | 0.330 | 8.38 | IEU |
| 6 5/8 | 27.70 | 24.21 | 36.06 | 6.625 | 168.3 | E,X,G,S | 0.362 | 9.19 | IEU |
| Group | Grade | Yield Strength | Tensile Strength | ||||
| Minimum | Maximum | Minimum | |||||
| psi | Mpa | psi | Mpa | psi | Mpa | ||
| 1 | E-75 | 75000 | 517 | 105000 | 724 | 100000 | 689 |
| 3 | X-95 | 95000 | 655 | 125000 | 862 | 105000 | 724 |
| G-105 | 105000 | 724 | 135000 | 931 | 115000 | 793 | |
| S-135 | 135000 | 931 | 165000 | 1138 | 145000 | 1000 | |
1- Plastic caps plugged at the two sides of pipe ends
2- Should be avoided by the steel strapping and transport damage
3- Bundled signs should be uniform and consistent
4- The same bundle(batch) of steel pipe should be came from the same furnace.
5- The steel pipe has the same furnace number, the same steel grade, the same specifications.
We offers different grades of API 5DP Drill Pipe, sourcing from professional drill pipe manufacturers from China, supply range as below:
Standard and Grades
1-API 5DP Grade DZ50,
2-General Grade of Drill Pipe API 5DP Grade E75,
3-General Grade of Drill Pipe API 5DP Grade R780,
4-Medium high grade of Drill Pipe API 5DP Grade X95,
5-High grade Drill Pipe API 5DP Grade G105,
6-High grade Drill Pipe API 5DP Grade S135
API 5DP drill pipe is trailing with screw thread for connecting the drilling rig located at the bottom of surface drilling equipment and mill equipment or bottom outlet device. The purpose is to drill the drilling mud delivered to the drill bit, and drill with the increase, decrease or rotating bottom outlet means. Drill pipe must be able to withstand great external pressure, twisting, bending and vibration. In the mining and oil and gas refining process, the drill pipe can be used multiple times.
①How about your company？
One of the leading manufacturers and suppliers specializing in drill pipe products in China, mainly offering drill pipes including oil drill pipe, water well drill pipe, flat drill pipe, geological drill pipe and non-dig drill pipe. Other than drill pipes we are also capable of supplying a wide variety of pipeline accessories, drill joints, steel pipe fittings, valves etc. consists of our one-stop sales. The integrated sales & service ensures customers with various demands an easier access for purchasing management.
②How to guarantee the quality of the products？
We have established the international advanced quality management system，every link from raw material to final product we have strict quality test；We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.
③How long can we receive the product after purchase?
In the purchase of product within 7 working days, We will arrange the factory delivery as soon as possible.
