Slotted Screen Pipe

The slotted screen pipe is mainly used to the water and oil reservation layer without much sand.Its function is to prevent the rock bits dropping into the well bore.The working principle is allowing the certain sizes sand coming through the surface with crude oil but keeping the bigger size sand being stopped outside to form sand bridge,and thereby achieving the anti-sand purpose. The slotted screen pipe is commonly used to sand rock and carbonate reservoir,and especially useable for horizontal wells.

Types: API 5CT/5L casing and tubing, API 5LC stainless steel welded/seamless pipes
Length:<=12m(each);
Outside diameter:10-508mm;
Slot width: (0.10~10)mm±0.05mm;
Slot shapes:straight in line pattern,staggered pattern,spiral pattern;
Slot space:as per customer’s requirement;
The API slotted pipes with apertures of 0.2~6mm are widey used to sands prevention of oil and wells.

Slotted screen pipe performance
1. Our slotted pipe uses API standard casing or ASTM A312 standard stainless steel pipe as base pipe.
2. The edge of the slot is vertical, smooth, without burrs, and the slot is uniformity.
3. The slotted pipe is suitable for sandy well, which the diameter of the sand greater than 0.3mm.
4. The slot can be longitudinal or transverse direction, the section of the slot can be parallel and trapezoidal types, with a wide open area.

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