0 引言
1 区域地质概况
2 实验样品与分析测试
3 长73亚段烃源岩有机地球化学特征
图3 鄂尔多斯盆地冯75井延长组7段烃源岩评价参数与深度关系Fig.3 Relationship between evaluation parameters of source rocks and depth in Well Feng 75,the seventh member of Yanchang Formation, Ordos Basin |
图4 鄂尔多斯盆地延长组7段冯75井烃源岩TOC与S 1+S 2关系Fig.4 Relationship between TOC and S 1+S 2 in source rocks of Well Feng 75,the seventh member of Yanchang Formation, Ordos Basin |
图5 鄂尔多斯盆地冯75井延长组7段烃源岩抽提物组分分布Fig.5 Extract composition distribution in source rocks of Well Feng 75,the seventh member of Yanchang Formation, Ordos Basin |
4 生物标志物组合特征
4.1 正构烷烃
图7 鄂尔多斯盆地冯75井长7段烃源岩正构烷烃和甾烷组合特征Fig.7 The n-alkane and sterane assemblage characteristics of source rocks in Well Feng 75, Chang 7 Member, Ordos Basin |