单词 | semisubmersible rig |
释义 | semisubmersible rig in British Englishnoun (in the oil industry) a type of drilling platform that floats supported by underwater pontoons, with much of its structure below the water line for stability in high winds: usually used only for exploratory drilling for oil or gas Sometimes shortened to: semisubmersiblesemisubmersible rig in the Oil and Gas Industry (sɛmisəbmɜrsəbəl rɪg) Word forms: (regular plural) semisubmersible rigs noun (Extractive engineering: Offshore) A semisubmersible rig is a drilling rig which is designed to be partly under the water. The semisubmersible rig has an elevated drilling platform on top of a floating structure which is semisubmergedin the water. The semisubmersible rigs float with their lower hulls between 55 and 90 feet below the water line, and areheld in place partly with anchors. A semisubmersible rig is a drilling rig which is designed to be partly under the water. |
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