Slotted Liner

- Feb 18, 2019-

Products name:Well screen(water filter)

The continuous-slot well screen is widely used throughout the world for water, oil, and gas wells, and is the dominant screen type used in the water well industry. Saigao Continuous-Slot Wel The controlling of the slotted pipe according to the specifications and Machining parameters of the pipe body. When the pipe is under slotting , the procedure including: surface treatment of the pipe before process, Slot widths are often referred to in terms of gauge. Slot or screen gauge is simply the width of the opening in inches multiplied by 1,000. For instance, a 12-gauge screen has openings of 0.012 in.


Product Description
Oil Well Perforated Pipe and Slotted Liner
The slotted liner 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 size sand coming through the surface with crude oil but keeping the bigger size sand being stopper outside to form sand bridge,and thereby achieving the anti-sand purpose.This type of product is commonly used to sand rock and carbonate reservoir,and especially useable for horizontal wells.

Sorts:API casing;
Outside diameter:50~200mm;
Slot width: (0.10~4)mm±0.03mm;
Slot Number:as per customer’s requirement;
Slot shapes:straight in line pattern,staggered pattern,spiral pattern;
Slot space:as per customer’s requirement;
Slotted casings with apertures of 0.2~6mm are widey used to sands prevention of oil and wells.
Slotted liner technical specification

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Company Introduction

Cangzhou Steel Pipe Group (CSPG)Co.,Ltd.

No.92 JieFang East Road ,Cangzhou City, Hebei,P.R.China.

CSPG  has more than eighteen years history company which located in Lecong Iron and Steel World, a well-known steel distribution center in China, with superior geographical position and convenient water and land transportation. 

We are a direct-selling manufacturer specializing in the research and development of spiral steel pipes, steel spiral pipes, anti-corrosion steel pipes inside and outside. Since its inception, the company has been guided by a brand-new thinking of steel pipe product market based on the business philosophy of honesty, pragmatism and knowledge-seeking.