• Description
  • Device parameters
    • Commodity name: Spiral Drill Collar

    chemical composition

    Grade

    chemical composition%

    C

    Si

    Mn

    P

    S

    Cr

    Mo

    Ni

    With

    To the

    V

    4145HMOD

    0.42 ~

    0.49

    0.15~0.35

    1.00~1.25

    ≤0.025

    ≤0.025

    1.00~1.35

    0.30-0.35

    ≤0.25

    ≤0.35

    ≤0.05

    0.03~0.08

    Allowable deviation

    ±0.02

    ±0.02

    ±0.04

    ±0.005

    ±0.03

    ±0.03

    ±0.02

    ±0.03

    ±0.03

    ±0.01

    ±0.01

    Mechanical behavior

    Yield strength R1

    Tensile strength Rm

    Elongation

    A%

    Shrinkage

    WITH%

    Brinell hardness

    Charpy impact work

    MPa

    Psi

    MPa

    Psi

    J

     

     

     

     

     

     

     

    20℃

    -20℃

    ≥758

    ≥110000

    ≥965

    ≥140000

    ≥13

    ≥45

    ≥285~341

    ≥54

    ≥30

     

  • Stabilizer (non-magnetic stabilizer) specifications
    Product specification  Working outer diameter
    OD         
    Fishing
    diameter
    OD
    Inner hole
    ID
    Fishing diameter
    length
    Working part
    length
    Total length Spiral belt
    width
    bevel Arc
    A B C D F G I a b R
    in in in in in in in ° ° in
    8 1/2×6 1/2×2 13/16×100 8 1/2 6 1/2 2 13/16 30 18 100 2 1/2 30 30 4
    12 1/4×8 1/4×2 13/16×100 12 1/4 8 1/4 2 13/16 30 18 100 3 1/2 30 30 4
    12 1/4×8 1/2×2 13/16×100 12 1/4 8 1/2 3 30 18 100 3 1/2 30 30 4
    14 3/4×9 1/2×3×100 14 3/4 9 1/2 3 30 20 100 3 1/2 30 30 4
    16×9 1/2×3×100 16 9 1/2 3 30 20 100 4 30 30 4
    17 1/2×9 1/2×3×100 17 1/2 9 1/2 3 30 20 100 4 30 30 4
    22×9 1/2×3×116 twenty two 9 1/2 3 30 twenty four 116 4 45 30 4
    26×9 1/2×3×116 26 9 1/2 3 30 twenty four 116 4 45 30 4
    28×9 1/2×3×122 28 9 1/2 3 30 20 122 4 30 30 4
    32×9 1/2×3×122 32 9 1/2 3 30 20 122 5 30 30 5
    36×9 1/2×3×133 36 9 1/2 3 30 20 133 5 45 30 5
    The size of the stabilizer can also be designed according to user requirements

     

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