Methods Studying petroleum migration pathway of Mesozoic in Ordos Basin based on permeable sandstone ′ s distribution, structure of crude oil, asphaltene element ′ s constitution, hydrogen isotope characteristics. 方法利用渗透性砂体分布、原油结构变化、沥青元素组成及碳、氢同位素特征,研究鄂尔多斯盆地中生界石油运移通道。