平湖组砂层组级别沉积演化及主控因素——以东海陆架盆地西湖凹陷W井区为例

王健伟, 吕鹏, 王泽群, 严曙梅, 潘潞, 林立新, 王瑞, 徐晨, 刘舒, 黄小娟

Sedimentary evolution and main controlling factors of sand group levels in Pinghu Formation: A case study of well block W in Xihu Sag, East China Sea Shelf Basin

WANG Jianwei, LYU Peng, WANG Zequn, YAN Shumei, PAN Lu, LIN Lixin, WANG Rui, XU Chen, LIU Shu, HUANG Xiaojuan

图6 西湖凹陷W井区平下段砂岩铸体薄片特征 注：a为断垒带B3井，3 986 m，P11砂层组； b为断槽带W5井，4 343 m，P11砂层组。

Fig.6 Characteristics of thin-section casts of sandstones from lower Pinghu member in well block W, Xihu Sag