A system of lashing a tender assist drilling unit (TADU) to a floating production platform includes a plurality of lashing lines reeved over a hydraulic-pneumatic tensioning system sheave assembly and a plurality of fixed anchor points to the above water line section of the production platform hull structure. The hydraulic-pneumatic tensioning device will, when in tensioning mode, compensate and control the relative movement between the two floating bodies. The hydraulic-pneumatic tensioning system will also enable lashing pre-tension adjustments during operations and fine-tuning of system performance can be done site-specific based on lessons learned. The hydraulic-pneumatic tensioning device will, when in hydraulic lock mode, enable a fixed lashing line system. This will by the means of the first units mooring winch system enable; a winch-in for close proximity during heavy lifting; or an efficient lashing pay put during extreme weather preparation for increased separation between the two units.


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    Titel :

    Compensated lashing of tender assist drilling unit to a floating production facility


    Beteiligte:

    Erscheinungsdatum :

    03.11.2015


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS



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