Well Drilling Pipe

Short Description:

The drill pipe,the shortened form of down the hole drill pipe, is a kind of outer flat drill rod. It is mainly used in rotary percussive drilling that contains gases and liquids. Its main components include pipe (rod) body and joint.


Product Detail

Product Tags

Product overview导航栏

 Drill pipes are widely used in mining,geological exploring and all kinds of drilling(water,oil,gas,etc) projects.As a leading drill pipe manufacture,we make all kinds of standards and non-standard drill pipes for our customers. Our drill pipes including steel drill pipe,mining drill pipe,water well drill pipe,oil well drill pipe,API drill pipe,DTH drill rod,wireline drill rod,etc.

 

 

The key features of a high quality DTH tube are durability, accuracy and manageability. 

 

 Drill Pipe :

 

1.Pipe body : cold draw seamless pipe . so the pipe have the accurate size , good centralizer. 
2.Pipe body’s material is the same grade as Sandvik.
3.Thread connector :Heat and Nitrogen treatment , so the pipe is more durable and easier to load and unload .
4.Friction welding .

 

 

 

Standard DTH drill pipe:

 

Diameter: 76mm, 89mm, 102mm, 114mm, 127mm, 140mm;

 

Length: 1000mm, 1500mm, 2000mm, 3000mm, 5000mm, 6000mm;

 

Thread: 2 3/8” API REG, 2 7/8” API REG, 3 1/2” API REG, 4 1/2” API REG,

 

               2 3/8 API IF, 3 1/2 API IF

 

 

 

 

 图片-2 图片-4图片-1

 

Specification导航栏

  Size Nominal mass Lb/ft Calculated weight type Wall thickness
in. mm lb/ft kg/m in. mm
2 3/8 60.3 6.65 6.26 9.32 0.28 7.11
2 7/8 73 10.4 9.72 14.48 0.362 9.19
3 1/2 88.9 9.5 8.81 13.12 0.254 6.45
3 1/2 88.9 13.3 12.31 18.34 0.368 9.35
3 1/2 88.9 15.5 14.63 21.79 0.449 11.4
3 1/2 88.9 15.5 14.63 21.79 0.449 11.4
4 101.6 14 12.93 19.26 0.33 8.38
4 1/2 114.3 13.75 12.24 18.23 0.271 6.88
4 1/2 114.3 16.6 14.98 22.31 0.337 8.56
4 1/2 114.3 20 18.69 27.84 0.43 10.92
5 127 16.25 14.87 22.15 0.296 7.52
5 127 19.5 17.93 26.71 0.362 9.19
5 127 19.5 17.93 26.71 0.362 9.19
5 127 25.6 24.03 35.79 0.5 12.7
5 127 25.6 24.03 35.79 0.5 12.7
       5 1/2        139.7                      21.90         19.81        29.51         0.361          9.17
       5 1/2        139.7                            24.70         22.54        33.57         0.415        10.54





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