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Slotted Pipes

  • Description
Product Detail

    Slotted Pipes

    The slotted pipes are mainly used to the water and oil reservation layer without much sand. Its function is to prevent rock bits from dropping into the well bore. The working principle is allowing sand of certain sizes to come through the surface with crude oil but keeping the bigger size sand outside to form sand bridge, thereby realizing the anti-sand purpose. This type of product is commonly used to sand rock and carbonate reservoir, and especially useful for horizontal wells.

    Slotting pattern: line slot pattern, staggered slot pattern, multiple staggered slot pattern

    API Std. Casing API

    ID (mm)

    Length (m)

    Slot Length (mm)

    Slot No. (NO./m)

    Slot Width (mm)

    Slot Tolerance

    Valid Filter Area (cm/m)

    Max. Strength KN

    Spec (mm)

    Thickness (mm)

    Per Weight (kg/m)

    60.32

    5

    6.84

    50.3

    3-12

    10-200

    200

    0.25-15

    ±50

    48

    512.54

    73.02

    5.5

    9.15

    62

    240

    57.6

    688.55

    88.9

    6.5

    13.22

    75.9

    280

    67.2

    995.1

    101.6

    6.5

    15.22

    88.6

    300

    72

    1151.2

    114.3

    7

    18.47

    100.3

    320

    76.8

    1400.4

    127

    7.52

    22.13

    112

    340

    81.6

    1673.8

    139.7

    7.72

    25.11

    124.3

    360

    86.4

    1900.2


    9.17

    29.48

    121.4

    360

    86.4

    2232.4

    168.3

    8.94

    35.09

    150.4

    400

    96

    2672.95

    177.8

    8.05

    33.68

    161.7

    440

    105.6

    2559.2


    9.19

    38.19

    159.4

    440

    105.6

    2940.7


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Hebei Allland Steel Pipe Manufacturing Co.,Ltd

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