Poststack time migration often fails to yield desired images because of complex deep geology in Xingcheng area in the north of Songliao Basin. 摘要松辽盆地北部兴城地区深层地质条件复杂,地震资料常规叠后时间偏移处理不能获得理想的成像效果。
Sand-sandrock vadose zone structure spreads widely in the North of the Erods Basin. 摘要风积沙覆基岩型包气带结构在鄂尔多斯盆地北部分布面积最广。