Posts Tagged ‘submersible’


Definition The Topsides are the surface installations allowing the drilling and/or production and/or processing of offshore hydrocarbons. Comments Normally used as a plural the Topsides comes from the ship building industry to designate all the portion of the ship coming on the top of the hull or above the waterline. […]

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Definition: “Semisubmersible” or “Semisub-” is referring to Offshore drilling rigs so called because they are combining the advantages of submersible rigs with the ability to drill in Semisubmersible drilling rig. The Semisubmersible drilling rig is made of a floating structure having vertical hollow legs connected to horizontal pontoons used for ballasting with seawater for stability. It also has numerous large heavy […]

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