• +86 546 8531366
  • Kelly

    • Drill Pipes
    • Heavy Weight Drill Pipes
    • Drill Collars
    • Kelly
    • Down Hole Motors
    • Drill Bits
    • Stablizers
    • Product Name:

      Kelly
    • Model No.:


    Product Description

    Main Technical Parameters

    Kelly Size

    Length

    Upper Box Connection

    Lower Pin Connection

    I.D
    (mm)

    Driving Section

    mm

    in

    mm

    Type(LH)

    O.D. (mm)

    Cross Flat (mm)

    For Square (mm)

    Cross Corner for Hex (mm)

    Std

    Optional

    Std

    Optional

    Thread

    O.D(mm)

    63.5

    2-1/2

    12.19

    6-5/8
    REG

    4-1/2
    REG

    196.8

    146

     

    85.7

    31.8

    63.5

    83.3

     

    76.2

    3

    12.19

    6-5/8
    REG

    4-1/2
    REG

    196.8

    146

    NC26

    104.8

    44.4

    76.2

    100

    85.7

    88.9

    3-1/2

    12.19

    6-5/8
    REG

    4-1/2
    REG

    196.8

    146

    NC31

    120.6

    57.2

    88.9

    115.1

    100.8

    108

    4-1/4

    12.9

    6-5/8
    REG

    4-1/2
    REG

    196.8

    146

    NC38

    158.8

    71.4

    108

    141.3

    122.2

    NC38

    161.9

    71.4

    108

    141.3

    122.2

    133.4

    5-1/4

    12.9

    6-5/8
    REG

    4-1/2
    REG

    196.8

    146

    NC46

    177.8

    82.6

    133.3

    175.4

    151.6

    NC50

    177.8

    82.6

    133.3

    175.4

    151.6

    152.4

    6

    12.9

    6-5/8
    REG

     

    196.8

    146

    5-1/2FH

     

     

    152.4

     

    173

    NC56

     

     

    152.4

     

    173

     

    .Features:

    ● Both square Kelly and hexagonal Kelly is available as per customers’ requirements.

    ● Designed & Manufactured according to API SPEC 7-1.

     

     

    Related Products

    Inquiry Information

    • *Subject:

    • *Content:

    • *Telephone Number:

    • *Your E-Mail:

    • *Confirm Text:

      captcha