9月28日~10月上旬,“大洋一号”船圆满完成了南海海试第一航段调查任务。其间,在我国东沙海域1 740 m海底成功获取深孔岩心样品,实现了中国大洋人海底深孔钻探的梦想,并创下了15·7 m的深孔记录。据悉,本次深钻试验在国内是首次,填补了我国深钻领域的空白。本航段海试工作涉及 From September 28 to early October, “Ocean One” successfully completed the survey of the first section of the South China Sea. In the meantime, deep-hole core samples were successfully obtained from the sea bottom of 1 740 m in the Dongsha sea area of ​​China, fulfilling the dream of deep ocean drilling by the oceans of China and setting a deep-hole record of 15.7 m. It is reported that this deep-drilling test is the first in China, filling the gap in the field of deep drilling in our country. This section of sea trial involved