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Your Position:Home>Products>Drill Collar>Spiral Drill Collar
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Spiral Drill Collar

Product Detail

    1_副本.pngDrill Collar

    Technical features

    l   A hardness range of 25 to 341 BHN and a Charpy impact value of 40 ft-lbs are guaranteed at evenly distributed 16 points in any sections at room temperature;

    l   Connections are completed (phosphate coated) to protect them from the elements after machining and help prevent galling upon initial make-up;

    l   Thread root are cold rolled on API and H-90 connections;

    l   Pressed steel thread protectors are supplied for all drill collar that are equipped with standard connections

    When ordering please specify;

    l   Drill collar OD and ID;

    l   Overall length;

    l   Connections required (size and type);

    l   Special features desired, for example:

                  Slick or spiral;

              Stress relief features;

              Slip and/or elevator recess;

          Hardbanding;

    Technical parameters

    Number and Connection Table

    Product Code

    Outside Diameter

    Inside Diameter

    Length

    mm

    Bevel Diameter mm

    Bending Strength Ratio

    mm

    in

    mm

    in

    NC23-31

    Z01/Z02-01000

    79.4

    3 1/8

    31.8

    1 1/4

    9150

    76.2

    2.57:1

    NC35-47

    Z01/Z02-06000

    120.6

    4 3/4

    50.8

    2

    9150

    114.7

    2.58:1

    NC46-65(4IF)

    Z01/Z02-09100

    165.1

    6 1/2

    71.4

    2 13/16

    9150 or 9450

    154.8

    3.05:1

    6 5/8 REG

    Z01/Z02-15000

    209.6

    8 1/4

    71.4

    2 13/16

    9150 or 9450

    195.7

    2.93:1

    NC70-97

    Z01/Z02-25000

    247.6

    9 3/4

    76.2

    3

    9150 or 9450

    232.6

    2.57:1

    8 5/8 REG

    Z01/Z02-19000

    279.4

    11

    76.2

    3

    9150 or 9450

    266.7

    2.84:1

Shaanxi BRJ Petroleum Machinery Equipment Co.,Ltd
Add: Room 2-1014,3rd building,Deyi international center,No.6 Changqing 2nd road,
Economic and technological development zone,Xi'an,china
Tel/Fax: 0086-29-89612241   Email: Sales@brj-oiltools.com  http://www.watfordleisureplc.com  
中文无遮挡H肉视频在线观看
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