Complaint
| Why you choose us? | |||
| 1. more than 20 years experiences in steel business | |||
| 2. good quality | |||
| 3. competitive price | |||
| 4. meet your needs via reprocessing | |||
| 5. excellent service | |||
| 6. short delivery time | |||
| 7. long mutual beneficial business cooperation |
1. Strictly according to API 5DP standard
2. Yield strength: Min 517 Mpa
3. Tensile strength: Min 724 Mpa
4. Pipe body material: High quality alloy seamless pipe of E75
5. Thread treatment: Phosphorization or copper plating
Drill pipe quality control:
1.Before order to be confirmed, the raw material of pipe and tool joint body should be booked from famous big steel enterprises in China.
2.Checked by our QC staff and factory own laboratory.
3.Every drill pipe has nondestructive inspection , cleaned and breach oil before packing.
4.Before delivery clients could send one QC or point the third party to check the quality such SGS, BV or others.
Drill pipe usage notes:
1.New drill pipe should be pasted thread oil before connection
2.Make up and break at least 3 times before drilling
3.Hard bending and plastic coating can be processed according to costumer special requirement.
| Outside Diameter, in. | Inside Diameter, in. | Connection | Tool Joint OD , in. | Tool Joint ID , in. | Center Upset Diameter, in. |
| 3-1/2 | 2-1/4 | NC38 | 4-3/4 (4-7/8, 5) | 2-1/4 | 4 |
| 2-1/16 | 2-1/16 | ||||
| 4 | 2-1/2 | NC40 | 5-1/4 | 2-1/2 | 4-1/2 |
| 2-9/16 | 2-9/16 | ||||
| 4-1/2 | 2-11/16 | NC46 | 6-1/4 | 2-11/16 | 5 |
| 2-3/4 | 2-3/4 | ||||
| 2-13/16 | 2-13/16 | ||||
| 5 | 3 | NC50 | 6-5/8 | 3 | 5-1/2 |
| 5-1/2 | 3-1/4 | 5-1/2FH | 7 (7-1/4, 7-1/2) | 3-1/4 | 6 |
| 3-3/8 | 3-3/8 | ||||
| 3-7/8 | 3-7/8 | ||||
| 4 | 4 | ||||
| 6-5/8 | 4 | 6-5/8FH | 8 (8-1/4, 8-1/2) | 4 | 7-1/8 |
| 4-1/2 | 4-1/2 | ||||
| 5 | 5 |
| Name: | water well drill pipe |
| OD: | 2.375-140mm |
| Thickness: | 0.27-11.4mm |
| Steel Grade: | E75 , X95, G105, S135 |
| Type od end finish: | EU-external upset, IEU-internal & external upset |
| Standard: | API 5DP |
| payment: | L/C,TT |
| Package: | bare bundle or as request |
| Delivery: | 10-20days after receiving the deposit |
| Port: | xingang, tianjin |
| Market: | Mid east, North/South America,Europe,Asia,Africa etc. |
drill pipe diameter(inch) | Thickness Type | Steel Pipe Grade | Pipe Wall Thickness(mm) | Connection Tool Joint Diameter (mm) | Thread | Weight (KG) |
| 1.6" | EU | DZ50 | 6.5 | Φ57 | 1:16 | 5.7 |
| R780 | 6.5 | |||||
| 2" | EU,IU | DZ50 | 6.5 | Φ65, Φ68 | 1:16 | 7 |
| N80,R780 | 6.5 | |||||
| 2 3/8" | EU,IU | E75,R780 | 7 | Φ75, Φ85 | NC26 | 9.4 |
| E75,G105 | 7.11 | |||||
| 2 7/8" | EU,IU | N80,R780 | 9 | Φ95, Φ105 | NC31 | 14.2 |
| E75,G105 | 9.11 | |||||
| 3 1/2" | EU,IU | N80,R780 | 9.5/10 | Φ121, Φ127 | NC38 | 18.6 |
| E75,G105 | 9.3 | 19 |
| Grade: | E75/R780/N80/G105/S135 |
| Length: | RI, RII, RIII (2~12.5 meters) |
| Wall Thickness: | 10mm |
| Connection: | 95mm(internal upset)/105mm(external upset) |
| Tool Joint: | 35CrMo |
| Apply to: | well drilling,mining drilling,gas drilling |
| Safe drilling depth: | Within 800-3000 meters |
| Process type: | Friction welding drilling |
| Thread type: | NC31 |
| Thickness style: | Internal and External Upset |
| Thread treatment: | Phosphorization, copper plating |
