An apparatus and methods are used for loading and unloading of sensor capsules (9) into or out of seismic node casings (5) forming part of a seismic cable (19) to be deployed or retrieved by a vessel (18). The apparatus comprises: a trolley (3) with room for at least one sensor capsule (9), the trolley (3) is moveable back and forth in a direction essentially corresponding to the longitudinal direction (24, 25) of the seismic cable (19); a support structure (12) for the trolley (3); a latching mechanism (7) for latching the trolley (3) to a node casing (5), and at least one inserting/withdrawing mechanism (8, 11) for inserting and withdrawing the sensor capsules (9) into or out of the node casing (5).


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    Title :

    Apparatus and methods for loading and unloading of sensor capsules


    Contributors:
    GATEMAN JAN (author) / UNDHEIM EIVEN (author)

    Publication date :

    2015-08-12


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    G01V Geophysik , GEOPHYSICS / B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS



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