| Customization: | Available |
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| Material: | Steel Alloy |
| Temperature Classification: | High Temperature Piping |
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The oil well screen casings are mainly used for surface casing and protection. It can be produced according to three standards: Chinese standard, German Standard and American Standard. All the slotted joints are deburred internally, cleaned and drift tested according to API standards. Every slot is visually inspected and cleaned of burr material. All threads and couplings are thoroughly cleaned and lubricated.
| Slot Length (mm) |
Slot No. (NO./m) |
Slot Width(mm) | Slot Tolerance | Valid Filter Area(cm/m) | Max. Strength |
10-200 |
200 | 0.25-15 |
±50 |
48 | 512.54 |
| 240 | 57.6 | 688.55 | |||
| 280 | 67.2 | 995.1 | |||
| 300 | 72 | 1151.2 | |||
| 320 | 76.8 | 1400.4 | |||
| 340 | 81.6 | 1673.8 | |||
| 360 | 86.4 | 1900.2 | |||
| 360 | 86.4 | 2232.4 | |||
| 400 | 96 | 2672.95 | |||
| 440 | 105.6 | 2559.2 | |||
| 440 | 105.6 | 2940.7 |
| API Std. Casing API | ID(mm) | Length(m) | ||
| Spec(mm) | Thickness(mm) | Per Weight(kg/m) | ||
| 60.32 | 5 | 6.84 | 50.3 | 3-12 |
| 73.02 | 5.5 | 9.15 | 62 | |
| 88.9 | 6.5 | 13.22 | 75.9 | |
| 101.6 | 6.5 | 15.22 | 88.6 | |
| 114.3 | 7 | 18.47 | 100.3 | |
| 127 | 7.72 | 22.13 | 112 | |
| 139.7 | 7.72 | 25.11 | 124.3 | |
| 9.17 | 29.48 | 121.4 | ||
| 168.3 | 8.94 | 35.09 | 150.4 | |
| 177.8 | 8.05 | 33.68 | 161.7 | |
| 9.19 | 38.19 | 159.4 | ||
Slotted liner:The slotted liner is mainly used to the water and oil reservation layer without much sand. It's function is prevent rock bits dropping into the well bore. The working principle is allowing the certain size and coming through the surface with crude oil but keeping the bigger size sand being stopped outside to form sand bridge, and thereby achievement the anti-sand purpose.This type of product is commonly used to sand rock and carbonate reservoir, and especially useful for horizontal wells.Slotting pattern: line slot pattern, staggered slot pattern, multiple staggered slot pattern.
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