• Underwater stern tube seal repairs in Algeciras and Le Havre

    Underwater stern tube seal repairs in Algeciras and Le Havre

    01/06/2012
    The Hydrex flexible mobdock technique was used to perform two underwater stern tube seal repairs.  Three seals were replaced in Algeciras on a 250-meter roro vessel that was leaking oil, while the aft stern tube seal assembly of a 210-meter container ship was partly repositioned in Le Havre to stop an oil blockage. Every Hydrex... Read more
  • Underwater removal and reinstallation of bow thruster on container vessel

    Underwater removal and reinstallation of bow thruster on container vessel

    01/06/2012
    Due to a malfunctioning bow thruster, a 334-meter container vessel had to use the services of a tug boat for port maneuvering, so its owners requested Hydrex to take care of the removal, transportation and reinstallation of the unit. The operation was performed in stages on several locations to allow the vessel to keep to... Read more
  • On-site permanent insert repairs in Belgium, the Netherlands and Cameroon

    On-site permanent insert repairs in Belgium, the Netherlands and Cameroon

    11/05/2012
    Over the last couple of months Hydrex teams of diver/technicians mobilized to vessels berthed in Zeebrugge (Belgium), Amsterdam (the Netherlands) and Douala (Cameroon) to perform insert repairs on a roro vessel and two tankers. These repairs were carried out according to the Hydrex class approved procedure for the welding of inserts in a vessel’s shell... Read more
  • Underwater bow thruster propeller blade cropping on drill rig in Scotland

    Underwater bow thruster propeller blade cropping on drill rig in Scotland

    11/05/2012
    Last month a Hydrex diver/technician team cropped all four blades of the bow thruster of a semi-submersible drill rig stationed in Invergordon, Scotland for maintenance. The blades had suffered multiple dents and cracks and needed to be modified to restore the propeller’s balance. The team first carried out a detailed underwater inspection of the propeller... Read more
  • Underwater stern tube seal repair in France avoids drydocking

    Underwater stern tube seal repair in France avoids drydocking

    11/05/2012
    To save time and money for the owners of a 270-meter container vessel that was leaking oil, a Hydrex diver/technician team replaced three stern tube seals, using one of the company’s flexible mobdocks. This enabled the team to carry out the entire operation on-site and underwater during the vessel’s stop in Le Havre. After the... Read more
  • Three repairs carried out on general cargo vessel at anchorage in Gabon

    Three repairs carried out on general cargo vessel at anchorage in Gabon

    13/04/2012
    Hydrex diver/technicians carried out three separate repairs on a 118-meter general cargo vessel while the ship was at anchorage off the coast of Port Gentil, Gabon. These on-site repairs allowed the customer to save precious time and money. Download .PDF
  • On-site propeller cropping in Ghent

    On-site propeller cropping in Ghent

    13/04/2012
    When all four propeller blades of a 100-meter general cargo vessel were severely bent, a repair was required by the classification society. Hydrex therefore performed a detailed video inspection, followed by a repair while the vessel was berthed in Ghent, Belgium. To make a full assessment of the damage, the diver/technician team first performed a... Read more
  • Underwater stern tube seal replacement on general cargo vessel in Las Palmas

    Underwater stern tube seal replacement on general cargo vessel in Las Palmas

    13/04/2012
    Last month Hydrex mobilized a diver/technician team to a 145-meter general cargo vessel in Las Palmas, Spain when oil was leaking from the stern tube seal assembly of the ship. The team used the Hydrex flexible mobock technique to create a dry working environment around the assembly and replaced three damaged stern tube seals on-site,... Read more
  • Class approved underwater hull repairs in Europe and Africa

    Class approved underwater hull repairs in Europe and Africa

    09/03/2012
    Flying all across the world Hydrex diver/technician teams have carried out numerous underwater insert and doubler plate repairs over the last couple of months. Besides the larger repairs discussed in our previous magazines (and found on our website) a lot of smaller underwater hull repairs were also carried out. Despite the relative size of these... Read more
  • Propeller blade straightening on two bulk carriers in Rotterdam

    Propeller blade straightening on two bulk carriers in Rotterdam

    09/03/2012
    A 190-meter bulker had suffered a bent propeller blade. Hydrex was therefore contacted, and rapidly mobilized a diver/technician team to Rotterdam to perform a detailed underwater inspection and repair of the damage in early January. Later that month a team carried out a similar operation in the same port on a 230-meter vessel. The team... Read more
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