今年，上海海洋石油局“勘407号”海洋调查船已完成平湖油气田海底井口装置的定位安装测量调查及韩国济州岛南部苏岩小岛的海底地质钻探任务。今年3月，“勘407号”受中地上海公司委托，担任东海平湖油气田海底井口装置的定位安装测量调查项目。“勘407号”作为作业船在井位部 This year, the “No. 407” Survey Vessel of Shanghai Offshore Oil Bureau has completed the survey of the installation and survey of the submarine wellhead device in the Pinghu Oil and Gas Field and the seabed geological drilling task of the island of Suyan in the south of Jeju Island in South Korea. In March this year, “Survey No. 407” was commissioned by the Shanghai company in the Mainland, as the East China Sea Pinghu Oil and Gas Field submarine wellhead positioning device installation survey. “Survey 407” as a working ship in the well position