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  2. Seattle Arctic drilling protests - Wikipedia

    en.wikipedia.org/wiki/Seattle_Arctic_drilling...

    [1] Many of the kayakers were freshly trained that day, in rented boats. [1] When the Polar Pioneer arrived in Elliott Bay, it was met by a flotilla of hundreds more protesters in kayaks and other small boats, voicing their opposition to oil drilling in Arctic waters because of the risk of oil spills, undersea oil well blowouts, damage to ...

  3. Liftboat - Wikipedia

    en.wikipedia.org/wiki/Liftboat

    The boat was declared a total loss at an estimated cost of $1.14 million. The Ram XVIII was a 215-foot liftboat, built in 2015 and owned by Aries Marine Corporation in Lafayette, Louisiana . The National Transportation Safety Board (NTSB) determined that the probable cause of the accident was an industry failure of not providing liftboat ...

  4. Semi-submersible platform - Wikipedia

    en.wikipedia.org/wiki/Semi-submersible_platform

    Deepsea Delta semi-submersible drilling rig in the North Sea Comparison of deepwater semi-submersible (left) and drillship (right). A semi-submersible platform is a specialised marine vessel used in offshore roles including as offshore drilling rigs, safety vessels, oil production platforms, and heavy lift cranes.

  5. List of components of oil drilling rigs - Wikipedia

    en.wikipedia.org/wiki/List_of_components_of_oil...

    Drill bit (#26) is a device attached to the end of the drill string that breaks apart the rock being drilled. It contains jets through which the drilling fluid exits. Drill floor (#21) is the area on the rig where the tools are located to make the connections of the drill pipe, bottom hole assembly, tools and bit. It is considered the main area ...

  6. Marine evacuation system - Wikipedia

    en.wikipedia.org/wiki/Marine_evacuation_system

    The MES consists of five components. Controls – used to initiate the device in an emergency situation. [9]Stowage box – contains essentials for the evacuation, including the chute and the fixed appliances, such as seats, rails, etc. [10] Composed of marine grade aluminum along with inflation cylinders, usually kept on the deck taking as little as 4 m 2 of storage space.

  7. List of Historic Mechanical Engineering Landmarks - Wikipedia

    en.wikipedia.org/wiki/List_of_Historic...

    Represents the first commercially successful typewriter to be manufactured in quantity for sale to the public. 1873 Milwaukee: Wisconsin United States Located at the Milwaukee Public Museum. ASME brochure. 250: 2012 Mr. Charlie Oil Drilling Rig The first offshore drilling rig that was fully transportable, submersible and self-sufficient. 1953 ...

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  9. Submersible drilling rig - Wikipedia

    en.wikipedia.org/wiki/Submersible_drilling_rig

    The first offshore mobile drilling platform was the Hayward-Barnsdall Breton Rig 20, first operated in 1949. [2] This rig had evolved from the inland drilling barges which were used to drill in marshes and protected waters in up to 10 feet of water. The Breton Rig 20 was 160 feet by 85 feet, and could work in 20 feet water depth.