The drill ship for Marine geological prospecting has successfully drilled a well for deep water oil prospecting in the Yellow Sea.
这艘海洋地质钻探船已成功地在黄海打了一口深水石油勘探井。
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Based on the prospecting practices of many years, the paper has summarized 8 general lithologic features of core under normal stratigraphic sequence before drilling to the coal-beds in drill hole.