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API Square Drilling Rig Kelly / AISI 4145H Alloy Kelly Bar Drilling Equipment

Categories Drilling String
Brand Name: Renda
Certification: API
Place of Origin: China
MOQ: 1
Payment Terms: L/C, D/A, D/P, T/T, Western Union
Supply Ability: Based on Detailed Order
Delivery Time: 10-15 working days
Packaging Details: Standard wooden export box
Material: Stainless Steel
Condition: New
Application: OIl field
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    API Square Drilling Rig Kelly / AISI 4145H Alloy Kelly Bar Drilling Equipment

    API square Kelly for oilfield using , Drilling String equipment

    Description:

    Beijing Ocean Renda's square drill kelly are made from AISI 4145H alloy bars that are quenched and tempered full length. A hardness range of 285 to 341 BHM and a minimum impact value of 54 Joules as per ASTM A 370 are maintained one inch bellow the surface at room temperature. To improve resistance to galling, all connections are phosphate-coated with an API thread compond. Each bar used to manufacture kellys has been examined with magnetic partice inspections and ultrsonic inspections.

    Specifications:

    Kelly size

    63.5

    76.2

    88.9

    108

    108

    133.4

    133.4

    2 1/2

    3

    3 1/2

    4 1/4

    4 1/4

    5 1/4

    5 1/4

    Lengthdrive
    Section

    LD Standard

    11280

    11280

    11280

    11280

    11280

    11280

    11280

    LD optional

    15540

    15540

    15540

    15540

    Lengthoverall

    L Standard

    12190

    12190

    12190

    12190

    12190

    12190

    12190

    L optional

    16460

    16460

    16460

    16460

    Length Drive
    Section

    DFL Across flate

    63.5

    76.2

    88.9

    108

    108

    133.4

    133.4

    DC Across cornere

    83.3

    100

    115.1

    141.3

    141.3

    175.4

    175.4

    DCC Across flate

    82.55

    98.43

    122.7

    139.7

    139.7

    171.45

    171.45

    RC Radlue

    7.9

    9.5

    12.7

    12.7

    12.7

    15.9

    15.9

    RCC Radlue

    41.3

    49.2

    56.4

    69.9

    69.9

    85.7

    85.7

    Wall thickness
    eccentric bore

    11.43

    11.43

    11.43

    12.07

    12.07

    15.88

    15.88

    Upper box
    connection

    Thread size
    and style LF

    Standard

    6 5/8 REG

    6 5/8 REG

    6 5/8 REG

    6 5/8 REG

    6 5/8 REG

    6 5/8 REG

    6 5/8 REG

    Optional

    4 1/2 REG

    4 1/2 REG

    4 1/2 REG

    4 1/2 REG

    4 1/2 REG

    OD

    Du Standard

    196.9

    196.9

    196.9

    196.9

    196.9

    196.9

    196.9

    Du Optional

    146.1

    146.1

    146.1

    146.1

    146.1

    Bevel
    diameter

    Lu

    406.4

    406.4

    406.4

    406.4

    406.4

    406.4

    406.4

    DFStandard

    186.1

    186.1

    186.1

    186.1

    186.1

    186.1

    186.1

    DFOptional

    134.5

    134.5

    134.5

    134.5

    134.5

    Lower pin
    connection

    Label

    NC26

    NC31

    NC38

    NC46

    NC50

    5 1/2 FH

    NC56

    Outsize diameter

    85.7

    104.8

    120.7

    158.8

    161.9

    177.8

    177.8

    LL

    508

    508

    508

    508

    508

    508

    508

    DF Bevel diameter

    82.9

    100.4

    116.3

    145.3

    154

    170.7

    171.1

    Inside diameter

    31.8

    44.5

    57.2

    71.4

    71.4

    82.6

    82.6



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