This paper describes the application of high strength quenched and tempered steel in semi-submersible drilling platform.
阐述了超高强度的淬火回火钢（调制钢）在深海半潜式钻井平台中的应用。
Semi-submersible drilling platform is key equipment for deep water exploitation and dual derrick RIGS has been main platform of 6th semi-submersible drilling platform.
半潜式钻井平台是深海石油勘探开发的关键设备，而双井架钻机已逐渐成为第六代深水半潜式平台的主流配置。
Semi-submersible platform, drilling ship and other floating drilling devices are mostly used to drill in the deep-sea oil development.
深海石油开发大多采用半潜式平台、钻井船等浮式钻井装置进行钻井作业。
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