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GM-4D系列半潜式钻井平台是专门针对挪威北海海域设计的中深水钻井平台,除满足DNV OFFSHORE船级社规范、IMO规范及其他相关的规范和标准外,还需遵循NMD规范,即挪威海事局对活动于挪威大陆架的海洋设施的特殊法规。文章结合以上规范,除对常规半潜式钻井平台压载系统的设计方法做了详细介绍外,还对挪威北海海域作业要求的半潜式钻井平台压载系统的特殊设计特点做了分析与研究。
The GM-4D series semi-submersible drilling rig is a deep-water drilling platform specially designed for the North Sea of Norway. In addition to meeting DNV OFFSHORE classification society rules, IMO norms and other relevant norms and standards, GM-4D series semi-submersible drilling rigs need to comply with NMD norms MSA’s special regulations on marine facilities operating on the Norwegian continental shelf. Combined with the above specifications, this paper introduces the design method of conventional semi-submersible drilling platform ballast system in detail, and also analyzes and studies the special design features of the semi-submersible drilling platform ballast system which is required to operate in the North Sea of Norway. .