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Slotted Liner

OIL SLOTTED CASING PIPE LASER CUTTING MACHINE

Oil slotting pipe is the key part to protect from sand during oil mining. Oil slotting pipe can be classified into five types: bridge type oil slotting pipe, drilling slotting pipe, kerf slotting pipe, composted pipe, wire-wrapped slotting pipe. Oil slotted casing pipe is cut by specialized ultra-thin cutting disk and laser beam. There are many certain configurations kerfs with shape of longitudinal or helical straight line on oil slotted casing pipe.

Farley Laserlab oil slotting pipe laser cutting machine adopts advanced technology, which can cut different type of oil slotting pipe. By means of focusing, high density and high-power laser beam working on sieve pipe, on the premise of exceeding a threshold value of laser power density, heat energy from working gas and laser beam’s chemical reaction is absorbed by material, thus causing a dramatic increase in the temperature of laser sport on the surface of the casing, partial melting or gasification of workpiece material to form a hole, then relative motion of the casing and laser beam can achieve casing cutting.
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Product Features

  • The slotted liner is a robust and cost-effective solution for long completions or low productivity wells

  • We offer straight and keystone slot in a wide range of slotting patterns to satisfy the required open area.
    High rigidity, resisting scrape and abrasion, high intensity, anti-corrosion and even distribution

  • Rotation Axis

    support position adjusted according to the pipe diameter
    max.pipe length：12m；max.pipe diameter：240mm
    rotating clamp adopt double chuck structure to avoid the pipe not being vertical and thermal deformation in processing
    varying pitch worm gear is adopted to effectively achieve mechanical wear compensation

  • Cutting Head And Nozzle

    Customized bifocal laser head(5’’ and 7.5’’), convenient to change to cut material of different depth
    Laser head can detect pipe on-contact before cutting and automatically position when cutting to match position change
    Anti-collision all-around auto reset cutting head

  • Product Description

FARLEY LASERLAB oil slotted casing pipe laser cutting machine adopts advanced technology, which can cut different type of oil slotting pipe. By means of focusing, high density and high-power laser beam working on sieve pipe, on the premise of exceeding a threshold value of laser power density, heat energy from working gas and laser beam's chemical reaction is absorbed by material, thus causing a dramatic increase in the temperature of laser spot on the surface of the casing, partial melting or gasification of workpiece material to form a hole, then relative motion of the casing and laser beam can achieve casing cutting.

Mechanical Motion System

  • Cantilever structure technology (patent number: ZL200520099443.7)provides open operation platform with one-time processing area of 12m x 1.5m
  • Machine tool structure is composed of a bed, cantilever beam, special clamp for sieve pipe cutting, high precision ball screw lubrication device
  • Customized cutting rotation axis, double chuck structure and variable pitch worm can fix sieve pipe more stable and much easier to cut oil pipe. Plane working table can also be equipped to cut plates.

Features

  • The slotted liner is a robust and cost-effective solution for long completions or low productivity wells
  • We offer straight and keystone slot in a wide range of slotting patterns to satisfy the required open area
  • High rigidity, resisting scrape and abrasion, high intensity, anti-corrosion and even distribution

Rotation Axis

  • support position adjusted according to the pipe diameter
  • max.pipe length：12m；max.pipe diameter：240mm
  • rotating clamp adopt double chuck structure to avoid the pipe not being vertical and thermal deformation in processing
  • varying pitch worm gear is adopted to effectively achieve mechanical wear compensation

Cutting Head And Nozzle

  • Customized bifocal laser head(5’’ and 7.5’’), convenient to change to cut material of different depth
  • Laser head can detect pipe on-contact before cutting and automatically position when cutting to match position change
  • Anti-collision all-around auto reset cutting head

  • Technical Parameters

Model Profile
Processing Area 12000*1500(mm)
Laser Power 4000W
Customized Laser Cutting Head 5" and 7.5"
PRECITEC Sensor High Voltage 25Kg/cm²
CNC System Beckhoff / 611D 1FT6 Motor
Operation System Windows XP
Max. Pipe Length 12m
Max. Wall Thickness 20mm
Pipe Diameter 50mm to 210mm
Kerf Quantity Any
Kerf Width 0.18-0.6mm (±0.03mm)
Kerf Type Parallel / Crisscross / Spiral
X / Y / Z Driver Axis Y / Z: Ball Screw X: Gear and Rack
X Axis Fast-moving Speed 50m/min
Stroke 2000mm
Positioning Accuracy ±0.03mm
Repeatability 0.03mm
Resolution 0.001mm
Y Axis Fast-moving Speed 30m/min
Stroke 1500mm
Positioning Accuracy ±0.03mm
Repeatability 0.03mm
Resolution 0.001mm
Z Axis Stroke 100mm
Resolution 0.001mm
A Axis Positioning Accuracy ±0.05°
Area Max. Pipe Length: 12
Diameter: 240mm
Repeatability ±0.01°
Min Resolution 0.001°
Rotary Speed 7200°/min

 

Appendix : Specification of Slotted Casing Pipe

 

API Std Casing ID (mm) Length (m) Slot Length (mm) Slot No. /m Slot Width (mm) Slot Tolerance Valid Filter Areera (cm2/m) Max. Strength (Kn)
Spec (mm) Thickness (mm) Per Weight (Kg/m)
60.32 5 6.84 50.3 3 80 200 0.3 ±50 48 512.54
73.02 5.5 9.15 62 3 80 240 0.3 ±50 57.6 688.55
88.9 6.5 13.22 75.9 3 80 280 0.3 ±50 67.2 995.1
101.6 6.5 15.22 88.6 3 80 300 0.3 ±50 72 1151.2
114.3 7 18.47 100.3 10 80 320 0.3 ±50 76.8 1400.4
127 7.52 22.13 112 10 80 340 0.3 ±50 81.6 1673.8
139.7 7.72 25.11 124.3 10 80 360 0.3 ±50 86.4 1900.2
9.17 29.48 121.4 10 80 360 0.3 ±50 86.4 2232.4
168.3 8.94 35.09 150.4 10 80 400 0.3 ±50 96 2672.95
177.8 8.05 33.68 161.7 10 80 440 0.3 ±50 105.6 2559.2
9.19 38.19 159.4 10 80 440 0.3 ±50 105.6 2940.7

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