“勘探三号”是我国自行设计建造的第一座半潜式海上石油钻井平台,它的建成标志着我国在造船工业方面达到了新的技术水平,在加速开发大陆架石油资源方面又取得了可喜的成就。(见图1) Exploration No. 3 is the first semi-submersible offshore oil rig designed and built by China. Its completion marked that our country has reached a new technological level in the shipbuilding industry and has made gratifying progress in accelerating the development of oil resources on the continental shelf Achievements. (see picture 1)