How about Slotted Pipe and Perforated Pipe?
1:Slotted Pipe Specification

Executive standards: API spec 5CT, API spec 5B
Specification range: 2-3/8INCH to 20INCH
Materials: J55, K55, N80, L80, C90,T95, P110
T&C: EUE, NUE, STC, LTC, BTC and Premium connection
Pipe/Tube Length: R1,R2,R3(According to customers’ actual demands)
Slot length: As per customer’s requirement
Slot width: 0.15-10mm(±0.03mm)
Slots shape: Straight slots,trapezoid slots,holes or other shapes.
Slot number: As per customer’s requirement
Distrubution types of slots: straight in line pattern, staggered pattern, spiral pattern etc.
Blind space: As per customer’s requirement
Testing: NDT etc related rules of API 5CT and 5B
2:Perforated Pipe Specification

Executive standards: API spec 5CT, API spec 5B
Specification range: 2-3/8INCH to 20INCH
Materials: J55, K55, N80, L80, C90,T95, P110 and Q125
T&C: EUE, NUE, STC, LTC, BTC and Premium connection
Pipe/Tube Length: R1,R2,R3(According to customers’ actual demands)
Slot length: As per customer’s requirement
Slot width: 0.15-10mm(±0.03mm)
Slots shape: Straight slots,trapezoid slots,holes or other shapes.
Slot number: As per customer’s requirement
Distrubution types of slots: straight in line pattern, staggered pattern, spiral pattern etc.
Blind space: As per customer’s requirement
Testing: NDT etc related rules of API 5CT and 5B


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