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Circulating sub

Product Detail

    QQ截圖20150504143551_副本.jpg

    Circulating sub

    The circulating sub is connected between wellhead pipe string and ground circulating system. When casing is running or finished running, the circulating sub is connected to make fluid circulation. According to the application, the circulating sub is connected between Kelly and casing or between casing and hose. The former is used for fluid circulation during connecting of casing. The later generally is used after connecting of casing.

    Technical Features

    l   Its upper end is drill pipe box or union, the nether end is casing pin. It is a crossover(X/O) with hollow inside.

    l   Main body are made from AISI4145H alloy steel.

     Technical parameter

    Thread/ Model

    I.D.

    (mm)

    Length

    (mm)

    Drill pipe box connection

    Casing thread

    Product Code

    C38

    5BTC

    J030701

    57

    580

    J030702

    J030703

    NC38

    5 1/2BTC

    J030801

    57

    580

    J030802

    J030803

    NC50

    7BTC

    J031201

    71

    610

    J031202

    J031203

    NC50

    9 5/8BTC

    J031801

    71

    610

    J031802

    J031803

    NC50

    10 3/4BTC

    J031901

    71

    610

    J031902

    NC50

    13 3/8BTC

    J032001

    71

    650

    13 3/8STC

    J032002

     

     

    Thread/ Model

     

    I.D.

    (mm)

    Length

    (mm)

    Union thread

    Casing thread

    Product Code

    2″1502Union

    5BTC

    J040701

    50.8

    500

    2″1502Union

    5 1/2BTC

    J040801

    50.8

    500

    2″1502Union

    7BTC

    J041201

    50.8

    500

    7LTC

    J041202

    2″1502Union

    9 5/8BTC

    J041801

    50.8

    500

    9 5/8LTC

    J041802

    2″1502Union

    10 3/4BTC

    J041901

    50.8

    560

    10 3/4STC

    J041902

    2″1502Union

    13 3/8BTC

    J042001

    50.8

    610

    13 3/8BTC

    J042002

     

     

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  
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