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    WÄRTSILÄ Encyclopedia

    of Marine and Energy Technology

     

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    DREDGING AND DREDGERS

    Dredging and dredgers

    Dredging is a displacement of soil, carried out under water. It serves several different purposes. One of the applications meets the need to maintain minimum depths in canals and harbours by removing mud, sludge, gravel and rocks.
    Rigid pipelaying vessel SEVEN OCEANS

    Rigid pipelaying vessel SEVEN OCEANS

    Built at the Merwede Shipyard in Netherlands, the SEVEN OCEANS is intended for installation of rigid pipes up to a diameter of 16’’ on the ocean floor in depths up to 3000m using the reel-lay method.
    Diving Support Vessel SEVEN ATLANTIC

    Diving Support Vessel SEVEN ATLANTIC

    According to Holland Shipbuilding June 2009 The SEVEN ATLANTIC, delivered by IHC Merwede in 2009 to Subsea 7, is one of the largest and most capable diving support vessels in the world.
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