Slotted Liners are filter pipes with precisely cut longitudinal slots designed to provide basic sand control in wells.
Slotted liners are also known as Slotted Screen Pipe or Sand Control Slot Screen.
Slotted liners are made from carbon steel fully galvanized and stainless steel, commonly used as coarser sand control screen pipes in oil and gas industry.
Supply to Saudi Arabia
Material: Carbon steel mechanical tubing
Slotted liner for well screens
Tubing OD 84 x 2mm
Tubing length: 1400mm
Ends left open
Slot pattern:
Illustration
Slot: Type C. slot width 1/8 inch, length 2 inch.
Tube Size: 1.375 o.d. 12 ft length
Slotted pipe 300 m
Slot size: 45mm length x 2mm width
2-7/8" SMLS Tubing
Seamless tube, 6.4 PPF, l-80, vam top connection, r-2,
Slot:
12 slots per row around the tube, 48 slots in 1 ft
Estimated opening area: 4 squered inch/ft
3-1/2" SMLS Tubing
Seamless tube, 9.2 ppf, l-80, vam fjl connection,
Slot: 15 slots per row around the tube, 60 slots in 1 ft
Estimated opening area: 5 squered inch/ft
Slotted Liner
General specifications:
Slot width: 0.04" (1000 micron)
Slot length: 2" +/- ¼"
Slot shape: Staggered pattern, 4 rows/ff slot profile: Straight cut
2 et left blank at each end
Quality Control:
Technical inspection is carried out to ensure that the units and materials are fully in accordance with the purchase order specification, reference standards, approved drawing & Technical data:
- Raw material checking & material test certificate review
- Body & thread visual inspection & dimensional checks(At random basis)
- Monitor NDT
- Witness drift tests
- Final QC reports review
- Witness packing & marking
- Issue certificate & inspection detailed report
All pipes seamless with API-5CT standards
Supply to USA
Slotted liner manufactured and tested in accordance with api-5ct and NACE MR0175 standard.
Slotted liner general specifications:
Slot width: 0.08" (2000 micron)
Slot length: 2" ± ¼ "
Slot shape: Staggered pattern, 4 rows/ft
Slot profile: Keystone cut
2 ft left blank at each end
4-½” tubing, 12.6 ppf, l-80(13%cr) , vam top
Slots: 18 slots per row around the tube, 72 slots in 1 ft , opening area:11.5 sq. Inch/ft
Following technical information supplied:
- Thechnical drawing as per specified description
- Sloted pattern, flow and opening area
- Sloting process
· Tubing manufacturer
· Slotting facilities
- Packing form
Comparing of Features and Uses:
Items | Slotted Liner | Bridge Slotted Sand Screen |
---|---|---|
Slot Design | Longitudinal slots, typically straight or parallel. | Arched, bridge-shaped slots with added strength. |
Strength | Moderate mechanical strength for basic sand control. | Higher mechanical strength due to arched slot design. |
Applications | Primarily used in oil and gas wells, especially in open-hole or cased completions. | Commonly used in water wells, groundwater extraction, and environmental monitoring. |
Slot Size Range | Typical slots from 0.012 inches (0.3 mm) and up. | Typical slots 1–4 mm. |
Cost | Generally more expensive | More cost-effective for water well applications. |
Manufacturing Process | Slots cut longitudinally using laser cutting or milling machines. | Slots punched into the pipe before rolling and welding. |
Corrosion Resistance | Materials and coatings according to oilfield needs | Commonly galvanized steel, 304/316 stainless steel. |