南美奥连特盆地白垩系Napo组Main-M1亚段沉积体系重建及油气勘探意义*
李发有1, 班舒悦2,3, 王光付1, 孙建芳1, 丁峰1, 孙钰1, 王腾宇2,3, 徐海1, 陈诗望1, 夏昌盛2,3, 郑乃熙2,3, 鲍志东2,3

Sedimentary system reconstruction and implications for hydrocarbon exploration of the Cretaceous Napo Formation Main-M1 submember in Oriente Basin,South America
LI Fayou1, BAN Shuyue2,3, WANG Guangfu1, SUN Jianfang1, DING Feng1, SUN Yu1, WANG Tengyu2,3, XU Hai1, CHEN Shiwang1, XIA Changsheng2,3, ZHENG Naixi2,3, BAO Zhidong2,3
奥连特盆地Napo组Main-M1亚段潮汐三角洲典型岩石学特征 a—浅灰色粉砂岩与泥质纹层,脉状层理,水下分流河道,KT-01井,2855.2 m;b—灰白色粉砂岩—深灰色泥岩,滑塌变形构造,前缘沙坝,KT-01井,2849.6 m;c—浅灰色细砂—粉砂岩,波状层理,水下分流河道,KT-01井,2847.9 m;d—灰白色中—粗砂岩,波状交错层理,水下分流河道,W-03井,2892.5 m;e—灰黄色、淡黄色含砾粗砂岩,块状构造夹中砂岩透镜体,水下分流河道,KT-01井,2854.5 m;f—灰色中砂岩夹灰白色泥质条带,冲刷面构造,水下分流河道,KT-01井,2854.8 m;g—深灰色含泥砾中细砂岩,交错层理, 水下分流河道,W-05井,2826.1 m;h—灰色细砂岩,楔状交错层理,水下分流河道,W-06井,2829.3 m