Perforated casing screen pipes
Perforated casing screen pipes manufactured by multi spindle drill presses. It is deburred internally and externally, and every hole is visually inspected to make sure all burrs are cleaned up according to API standards.
perforated liner with various hole spaces
Perforated Casing
Perforated casing is often used as base pipe for wire wrapped screen, pre packed wire wrapped screen & metal mesh screen. Hose sizes, patterns and pitches (hose spacing) can be customized.
Product parameters
Pipe Size (inch) | Number of hoses (sq in./ft) | Hole Diameter (inch) | Open Area (sq in./ft) |
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 |
Perforated casing screen pipes
● Thickness: 3 – 10 mm
● OD: 0.75 – 9.625 inch
● Size of hole: 3/16″
● Unit length:1-10m
Hole sizes
Standard hole sizes: 9.5mm, 13mm, 14mm, 16mm, 19mm and 25mm. Other hole diameters are available.
Hole Pattern
Holes can be staggered or in straight line as the following pictures from fig 1 to fig 3. Holes are commonly arranged in spiral shape. Straight line is possible.
