轮古西地区奥陶系碳酸盐岩古暗河系统地震特征分析
但光箭1(
), 周成刚1, 刘云宏2, 李相文1, 张亮亮1, 张明1, 王春阳1
), 周成刚1, 刘云宏2, 李相文1, 张亮亮1, 张明1, 王春阳1
Seismic characteristics of the paleo-underground river system in Ordovician carbonate paleo-buried hills in the western Lungu area
DAN Guang-Jian1(), ZHOU Cheng-Gang1, LIU Yun-Hong2, LI Xiang-Wen1, ZHANG Liang-Liang1, ZHANG Ming1, WANG Chun-Yang1
), ZHOU Cheng-Gang1, LIU Yun-Hong2, LI Xiang-Wen1, ZHANG Liang-Liang1, ZHANG Ming1, WANG Chun-Yang1
图7. 高度相同长度变化的暗河模型正演与对应地震属性曲线
a—地质模型;b—正演成果剖面;c—暗河地震反射振幅曲线;d—暗河地震反射峰值频谱频率曲线;e—暗河地震反射平均瞬时相位曲线
Fig.7. Forward modeling of underground river model with the same height and length variation and corresponding seismic attribute curve
a—geological model;b—forward modeling result;c—seismic reflection amplitude curve of underground rivers;d—peak spectrum frequency curve of underground rivers seismic reflection;e—average instantaneous phase curve of underground rivers seismic reflection
