As the important part of drill string, Drill Pipe is used to transmit torque to the Drill Bit. Each Drill Pipe is furnished with a pressed steel thread protectors. In the process of oil and gas extraction and refining, drill pipe can be used repeatedly. Some other testing of finished products, including hardness testing, stress testing and non destructive testing, should be carried out before painting and packing.
Standard and Grades
API 5DP Grade DZ50,
General Grade of Drill Pipe API 5DP Grade E75,
General Grade of Drill Pipe API 5DP Grade R780,
Medium high grade of Drill Pipe API 5DP Grade X95,
High grade Drill Pipe API 5DP Grade G105,
High grade Drill Pipe API 5DP Grade S135
Size: OD 2-3/8” — 6-5/8”
Length: R1, R2, R3
Upsetting: IU, EU, IEU
Yield strength: Min 517 Mpa
Tensile strength: Min 724 Mpa
Pipe body material: High quality alloy seamless pipe of E75
Thread treatment: Phosphorization or copper plating
Technical Parameter–Drill Pipe
|
Size |
Weight Designation | Plain-End Weight
Wpe |
Outsid
Diameter D |
Wall thickness T |
Grade |
Upset Ends,for weld-on tool joints |
|||
| lb/ft | kg/m | in | mm | in. | mm | ||||
| 2 3/8 | 6.65 | 6.27 | 9.33 | 2.375 | 60.3 | 0.28 | 7.11 | E, X, G, S | Ext.Upset |
| 2 7/8 | 10.4 | 9.72 | 14.47 | 2.875 | 73 | 0.362 | 9.19 | E, X, G, S | Int.Upset or Ext.Upset |
| 3 1/2 | 9.5 | 8.81 | 13.12 | 3.5 | 88.9 | 0.254 | 6.45 | E | Int.Upset or Ext.Upset |
| 3 1/2 | 13.3 | 12.32 | 18.34 | 3.5 | 88.9 | 0.368 | 9.35 | E, X, G, S | Int.Upset or Ext.Upset |
| 3 1/2 | 15.5 | 14.64 | 21.97 | 3.5 | 88.9 | 0.449 | 11.4 | E | Int.Upset or Ext.Upset |
| 3 1/2 | 15.5 | 14.64 | 21.97 | 3.5 | 88.9 | 0.449 | 11.4 | X, G, S | Ext.Upset or Int.-Ext.Upset |
| 4 | 14 | 12.95 | 19.27 | 4 | 101.6 | 0.33 | 8.38 | E, X, G, S | Int.Upset or Ext.Upset |
| 4 1/2 | 13.7 | 12.25 | 18.23 | 4.5 | 114.3 | 0.271 | 6.88 | E | Int.Upset or Ext.Upset |
| 4 1/2 | 16.6 | 15 | 22.32 | 4.5 | 114.3 | 0.337 | 8.56 | E, X, G, S | Ext.Upset or Int.-Ext.Upset |
| 4 1/2 | 20 | 18.71 | 27.84 | 4.5 | 114.3 | 0.43 | 10.92 | E, X, G, S | Ext.Upset or Int.-Ext.Upset |
| 5 | 16.25 | 14.88 | 22.16 | 5 | 127 | 0.296 | 7.52 | X, G, S | Int.Upset |
| 5 | 19.5 | 17.95 | 26.7 | 5 | 127 | 0.362 | 9.19 | E | Int.-Ext.Upset |
| 5 | 19.5 | 17.95 | 26.7 | 5 | 127 | 0.362 | 9.19 | X, G, S | Ext.Upset or Int.-Ext.Upset |
| 5 | 25.6 | 24.05 | 35.8 | 5 | 127 | 0.5 | 12.7 | E | Int.-Ext.Upset |
| 5 | 25.6 | 24.05 | 35.8 | 5 | 127 | 0.5 | 12.7 | X, G, S | Ext.Upset or Int.-Ext.Upset |
| 5 1/2 | 21.9 | 19.83 | 29.52 | 5.5 | 139.7 | 0.361 | 9.17 | E, X, G, S | Int.-Ext.Upset |
| 5 1/2 | 24.7 | 22.56 | 33.57 | 5.5 | 139.7 | 0.415 | 10.54 | E, X, G, S | Int.-Ext.Upset |
| 6 5/8 | 25.2 | 22.21 | 33.04 | 6.625 | 168.3 | 0.33 | 8.38 | E, X, G, S | Int.-Ext.Upset |
| 6 5/8 | 27.72 | 24.24 | 36.06 | 6.625 | 168.3 | 0.362 | 9.19 | E, X, G, S | Int.-Ext.Upset |
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Min. Order: 1 Ton
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