A marine survey apparatus comprises a plurality of cables towed by a vessel, the plurality of cables including two deflected tow cables each connected to the towing vessel. A primary surveying tool is attached to a cable, which cable is attached to the towing vessel and a spread rope. The deflected cables are connected to one another by the spread rope. The apparatus further comprises a water engaging drag device, which is attached to and trailed behind the spread rope. An elongate flexible element extends between the drag device and the vessel. The apparatus includes a control means for controlling the elongate flexible member and the drag device attached thereto. The survey apparatus is steerable to position the at least survey tool in a desired location by controlling the at least one drag device.


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    Titel :

    Apparatus and method for steering of a source array


    Beteiligte:
    MARSHALL DEAN (Autor:in) / MARSHALL DALE (Autor:in)

    Erscheinungsdatum :

    24.09.2019


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

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



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