The main oil-bearing horizons of the No. 2 structural belt of the Nanpu subbasin are sandstone of the First Member of the Paleogene Dongying Formation and Ordovician limestone.
南堡凹陷南堡2号构造带主要含油层段为古近系东营组东一段砂岩及奥陶系灰岩。
2
The caprock of the hard Slick Rock Member of the Entrada Sandstone is perched upon a pedestal of mudstone.
在硬盘斯利克罗克成员恩特拉德砂岩盖层是建立在对泥岩座栖息。
3
The gas reservoir in the 2nd Xu Member is a fractured sandstone, with fractures caused and controlled by geomechanics.