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

    Releasing and Circulation Overshots

    Releasing and Circulating Overshoes

     

    The Releasing and Circulating Overshot is simple and rugged and is strongest tool available to externally engage, pack off and pull a fish.

    The internal catch mechanisms are of two basic types: a basket grapple and a spiral grapple. According to different uses, it may be equipped with some accessories, such as extension sub, wall hook, enlarged guide, etc.

    When ordering or requesting quotation, please specify:

       1. Type of overshot;

       2. OD. Of fish to be caught;

       3. Size and type of top connection;

       4. If size other than standard, please specify clearly. etc. 


    Type

    O.D.
    (mm/inch)

    Max. Catch Size
    (mm/inch)

    Connection
    API

    Basket Grapple

    Spiral grapple

    LT102

    102(4)

    57.2(2-1/4)

    70(2-3/4)

    NC26

    LT111

    111(3-3/4)

    60.3(2-3/8)

    76.2(3)

    NC31

    LT133

    133(5-1/4)

    95.3(3-3/4)

    101.6(4)

    NC38

    LT146

    146(5-3/4)

    101.6(4)

    119.4(4-11/16)

    NC38

    LT206

    206.4(8-1/8)

    146(5-3/4)

    168(6-5/8)

    NC50

    LT245

    245(9-5/8)

    184.2(7-1/4)

    203(8)

    6-5/8RGE

    LT270

    269.9(10-5/8)

    200(7-7/8)

    220(8-21/32)

    6-5/8RGE

    LT286

    285.8(11-1/4)

    203(8)

    245(9-41/64)

    6-5/8RGE

    LT340

    340(13-3/8)

    222(8-3/4)

    267(10-1/2)

    6-5/8RGE

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