英语语法分析

The volcanic rocks of Neocene and Eogene in Nanpu depression is mainly distribute in Ng, Ed and Es formation.

南堡凹陷古近系及新近系火山岩主要分布于馆陶组、东营组、沙河街组。

The Eogene continental deposits 5000m and more thick in the Yishu Graben are believed to be the excellent source beds and reservoir rocks.

地堑中5000多米厚的早第三纪陆相沉积物具有良好的生储油条件。

Many oil pools in the sandstone lenses are formed in the Eogene oil source beds in the Niuzhuang Depression as a result of deltaic deposition.

在牛庄凹陷下第三系生油岩地层中，由于三角洲沉积作用，形成了较多的砂岩透镜体油藏。