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  1. Unionlever (Group) Petroleum Equipment Co.,Ltd.

    Reversing Spear

     In drilling and work over opertion,the releasing spear is a tool mainly used for fishing of drill pipe,oil pipe and casing from fish hole.It can be used with internal cutter ,bumper jar etc.

    Technical specifications and parameters
    Type Mandrel O.D (mm) Catch size (mm) Thread Conn. Allowed Load (KN)
    LM-T60 89 47.4-51.8 NC26 270
    LM-T73 105 57.4-62 NC31 380
    LM-T89 121 70-77.8 NC38 650
    LM-T102 121 82-90.1 NC38 800
    LM-T114 121 92.4-103.9 NC38 1000
    LM-T127 162 102-115.8 NC50 1300
    LM-T140 162 118.6-127.3 NC50 1500
    LM-T168 162 140-153.7 NC50 2200
    LM-T178 162 150.4-166.1 NC50 2200
    LM-T194 165 168.3-178.5 NC50 2300
    LM-T219 203 190.8-205.7 6 5/8 REG 2300
    LM-T245 203 216.8-228.7 6 5/8 REG 2500
    LM-T273 203 240-258.9 6 5/8 REG 2500
    LM-T340 203 313.6-323 6 5/8 REG 2500
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