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Perforated Pipes
Perforated pipes are mainly used for the application of oil reservation layer without much sand or for application of prevents the rock bits dropping off the well bore. This type of product can be used for sand rock and carbonate oil reservation. Is specially used for horizontal oil well. We can drill standard or customized hole size in any number and pattern.

Perforated casing pipe creates a channel between the pay zone and the wellbore to make easy flow of oil and gas to the wellbore. Manufactured by N80, J55 or 13Cr110 which are confirmed by API casing or tubing specification, our perforated liners are featured by high strength and anti-deformation. Punched holes with diameters from 3/8″ to 1/2″ are arranged in straight or staggered conditions. Upon requests, holes and their configurations can be customized to satisfy diverse applications.

To guarantee the smooth operation, internal and external burrs are deburred according to API standards.

Distribution Pattern of Perforations

Punched holes are distributed in straight line or staggered forms. For staggered holes, the percentage of open area is higher than straight. You can choose any type according to your specific conditions.

Normal diameter  from 1.05″-20inch
Wall thickness from 5mm to 20mm
Note: other specifications available as per request
Hole diameter 9.5mm, 12mm,16mm,19mm,20mm also achieved upon request
Material Stainless Steel, or carbon steel J55,K55,N80,L80,P110
Length 5.8m, 6m, 12m or  range length R1,R2,R3
End connection  

API thread(LTC,STC,BTC), weld collar or bevel ends



Features of Perforated Pipes

1.  Our Perforated pipes use API J55/k55,N80 casing and tubing. With strong overall strength, the perforated pipes are not easy to deform.

2.  The holes are uniform and smooth without burrs.

3.  The whole pipe is anticorrosion treated to prolong the service life.

4.  Easy to operate and to be connected with larger inner diameter.

5.  Hole diameter and numbers can be customized.

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