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  1. Unionlever (Group) Petroleum Equipment Co.,Ltd.

    Roller Reamer

    Roller Reamers

     

    The Roller Reamer is designed for various reaming operation but particularly for stabilization purposes when drilling in very abrasive formations. It will fit hole sizes ranging from 6 to 28.In addition, each body by simple adjustment of blocks and proper selection of cutters, will suit a wide range of hole sizes.

     

    Three different types (T, F and B) of cutters are offered:

    Type T: Milled, machined with hard faced sharp teeth for soft formations.

    Type F: Milled, machined with hard faced flat teeth, for medium hard formations.

    Type B: Equipped with pressed-in tungsten carbide inserts, for hard formations.



    Hole Size
    inch(mm)

    Connection
    inch(mm)

    Fishing O.D.
    inch(mm)

    Cutter Dia.
    inch(mm)

    Cutter Length
    inch(mm)

    OAL
    inch(mm)

    28〞(711.2)

    7-5/8REG

    9-1/2
    (241.3)

    7
    (178)

    15-3/4(400)

    112-7/8(2867)

    26
    (660.4)

    7-5/8REG

    9-1/2
    (241.3)

    7
    (178)

    15-3/4(400)

    118-7/64
    (3000)

    24
    (609.6)

    7-5/8REG

    9-1/2
    (241.3)

    6-7/32
    (158)

    15-3/4(400)

    110-15/64
    (2800)

    22
    (558.8)

    7-5/8REG

    9-1/2
    (241.3)

    6-7/32
    (158)

    15-3/4(400)

    105
    (2667)

    17-1/2
    (
    444.5)

    7-5/8REG

    9
    (229)

    5-1/2
    (140)

    12(304)

    86-39/64
    (2200)

    12-1/4
    (331.2)

    6-5/8REG

    8
    (203)

    3-15/16
    (100)

    11-13/16(300)

    74-13/16
    (1900)

    8-1/2
    215.9)

    NC50
    (4-1/2REG)

    6-1/2
    (165)

    2-13/16
    (71)

    7-7/8
    (200)

    68-7/64
    (1730)

    6
    (152.4)

    NC38
    (3-1/2REG)

    4-3/4
    (121)

    2
    (50.6)

    7-7/8
    (200)

    55-1/8
    (1400)

    5-7/8
    (149.2)

    NC38
    (3-1/2REG)

    4-3/4
    (121)

    1-13/16
    (46.2)

    7-7/8
    (200)

    55-1/8
    (1400)

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