Slotting & Perforation
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Straight (Mill) Slotted Pipe
Casing or tubing cut with straight, axial or transverse slots produced by milling saws or cutting wheels, used as low-cost sand-control liner and as base pipe for wire-wrapped screens.
Keystone / Bridge-Slotted Pipe
Slotted pipe with a trapezoidal (keystone) or staggered bridge-slot pattern that is wider on the inside diameter than the outside, so retained sand cannot wedge and plug the slot, improving inflow and reducing bridging.
Laser-Slotted / Laser-Perforated Pipe
Pipe in which apertures are cut by laser, allowing very narrow, precise slot widths and tight tolerances for fine-grained sand control where mechanical milling cannot hold the required gap.
Stainless Steel Slotted Pipe
Slotted liner fabricated from stainless or corrosion-resistant alloy base pipe for service in corrosive, high-chloride, or sour fluids where carbon-steel slotted pipe would not survive the design life.
Slotted Screen / Slot Screens
Filtration assemblies that combine slotted base pipe with a wrapped or sintered filter media to provide a controlled, repeatable retention rating finer than a bare slot can achieve.
Casing Perforation Services
Shop or field services that create holes or slots in casing and tubing for inflow, injection, or returns, supplied as a fabricated perforated-pipe product rather than downhole charge-based perforating.
Perforated Liner / Pipe
Tubular with drilled or punched round holes on a defined pattern, used where a higher open-flow area is acceptable and fine sand retention is not the controlling requirement.
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