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About us
Our factory located in Xinxiang Industrial park, have extreme experience in steel manufacturing. Over the year's technical capabilities and commitment to quality have enabled us to build a broad client base across a wide range of market. We shall a good -will of credit quality and prompt delivery and hold the belief of "quality for improvement ,credit for developments and customer first". So that can offer clients advanced products and satisfied service. We sincerely would like to set up business relationship with clients from all over the world in long term business.

Perforated slot pipe for oil well drilling
Huadong offer high quality casing pipes,water well screen,perforated filter casing pipe and perforated pipe.
Perforated casing is manufacturing with API casing, joints with size up to diameter 20"and length R3.
Every joints perforated is deburred internal and external.
Upon request,we can supply standard or customized hole size in any number and nay patter.

Technical Parameter
Perforated Pipe
1 Every joint perforated by us is deburred internally and externally.
2 Each hole is visually inspected

| Pipe Size | Holes per feet | Size of hole | Perforated Area per Feet |
3/4" | 78 | 3/16" | 2.15 |
1" | 54 | 5/16" | 4.14 |
1-1/4" | 66 | 5/16" | 5.06 |
1-1/2" | 78 | 5/16" | 5.98 |
2-1/16" | 78 | 5/16" | 5.98 |
2-3/8" | 90 | 3/8" | 9.94 |
2-7/8" | 102 | 3/8" | 11.26 |
3-1/2" | 126 | 3/8" | 13.91 |
4" | 138 | 3/8" | 15.24 |
4-1/2" | 150 | 3/8" | 16.56 |
5" | 162 | 3/8" | 17.88 |
5-1/2" | 174 | 3/8" | 19.21 |
6-5/8" | 186 | 3/8" | 20.53 |
7" | 222 | 3/8" | 24.51 |
9-5/8" | 294 | 3/8" | 32.46 |
Product show



| Main Features |
| 1 Stop sand production |
2 Avoid pump damage |
3 Improve well efficiency |
| 4 Improve pumping efficiency |
| 5 Maximize water flow rate into the well |
| 6 Reduce well maintenance |
| 7 Increase well life |
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