The slotted liner is mainly used to the water and oil reservation layer without much sand
.Its funcation 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 achieving
the anti-sand purpose.This type of products is commonly used to sand rock and catbonate

reservoir ,and especially useable for horizontal wells 

 
Slotted Liner: 
1.Standard:GB 5310-1995,GB 3087-1999 
2.Grade: 10#, 20# 09Mn2V,API J55,API K55, 
3.Outer Diameter: 60.32-508mm 

 Slotted Liner

1

Features:

1) The slotted liner is a robust and cost-effective solution for long completions

or low productivity wells

2) We offer straight and keystone slot types in the wide range of slotting 

  patterns to create the required open area.

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