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    Products & services

    Hilong Double Shoulder Connection

    Product Introduction

    HLIDS® is an API compatible high torque double shoulder connection developed by Hilong.
    HLMT®
     is a double shoulder connection designed and developed refer to API connection and customer's requirement 
    on site.
    HLIDS®
     and HLMT®
     have features as follows:
    • The same standard thread profile as API;
    • Double shouldered design;
    • Smooth transmission on inside diameter;

    Product Advantage

    ·Higher Torque: by using HLIDS® and HLMT® connections with current API ODs and IDs will result in 20%~50% of torque capacity higher than API.
    · While maintaining required torsional strength, it can:
    - minimize the tool joint OD;
    - maximize the ID;
    ·High fatigue resistance, thus prolong the pipe service life.
    ·Improving hydralic efficiency and reduce washout.

    Product Specification

    (a)HLIDS®series includes HLIDS®23, HLIDS®26, HLIDS®31, HLIDS®38, HLIDS®40, HLIDS®46, HLIDS®50, HLIDS®5 1/2FH and HLIDS®6 5/8FH etc. and can be applied to all API drill pipes with standard steel grades and specifications from 2 3/8 to 6 5/8 inches;
    (b)HLIDS®connection performance, Please see Table A.5 or Table B.5;
    (c)HLMT®series includes HLMT®2-3/8PAC, HLMT®2-7/8PAC, HLMT®38, HLMT®40, HLMT®46, HLMT®50 and HLMT®5-1/2FH etc;
    (d)HLMT® connection performance, Please see Table A.6 or Table B.6.
     

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