川东北元坝地区致密砂岩多产状裂缝刻画

黄彦庆

Characterization of multi-attitude fractures in tight sandstones in the Yuanba area, northeastern Sichuan Basin

HUANG Yan-Qing

图1 川东北元坝西部须家河组构造特征 a—元坝西部上三叠统须三段顶面构造;b—四川盆地须家河组气藏分布及元坝西部位置;c—NW向构造剖面

Fig.1 Structural characteristics of Xujiahe Formation in western Yuanba area a—top structure of the third member of the Upper Triassic Xujiahe formation in the western part of Yuanba;b—distribution of gas reservoirs in the Xujiahe formation of the Sichuan Basin and its location in the western part of Yuanba;c—NW direction structural section