渝东南复杂构造区常压页岩气地球物理勘探实践及攻关方向

何希鹏, 刘明, 薛野, 李彦婧, 何贵松, 孟庆利, 张勇, 刘昊娟, 蓝加达, 杨帆

Practices and future research directions of geophysical exploration for normal-pressure shale gas in complex structural areas,southeastern Chongqing

HE Xi-Peng, LIU Ming, XUE Ye, LI Yan-Jing, HE Gui-Song, MENG Qing-Li, ZHANG Yong, LIU Hao-Juan, LAN Jia-Da, YANG Fan

图4 南川地区古应力场预测与裂缝系数预测 a—燕山中期最大主应力方向分布;b—燕山中期最大主应力大小分布;c—燕山中期页岩破裂系数分布;d—页岩综合预测裂缝系数分布

Fig.4 Prediction of ancient stress field and HFI in Nanchuan area a—maximum principal stress direction in middle Yanshanian; b—maximum principal stress in middle Yanshanian; c—S1 in middle Yanshanian; d—HFI in middle Yanshanian