鄂尔多斯盆地东缘山西组2段海陆过渡相页岩高分辨率层序划分及勘探地质意义

梁岳立,葛家旺,赵晓明,张喜,李树新,聂志宏

High-resolution sequence division and geological significance of exploration of marine-continental transitional facies shale in the 2nd Member of Shanxi Formation， eastern margin of Ordos Basin

Yueli LIANG,Jiawang GE,Xiaoming ZHAO,Xi ZHANG,Shuxin LI,Zhihong NIE

图6 鄂尔多斯盆地东缘A1井山西组山2段层序地层划分综合图 （a）地层层序划分；（b）岩性；（c）GR曲线；（d）GR-INPEFA曲线；（e）不同尺度因子的小波变换；（f）短期旋回；（g）中期旋回；（h）时频色谱图

Fig.6 The comprehensive map of sequence stratigraphic division of the Shan2 Member of the Shanxi Formation in Well A1 in the eastern margin of Ordos Basin