The lower assemblage consists of several source beds such as lake and transitional facies of the Eocene Series and Yacheng Formation; the reservoirs are mainly fan delta,sand beach,sand bars,foreset wedges and slope fans.
英
美
- 在本區的上、下兩個(gè)生儲蓋組合中 ,下層生儲蓋組合有多個(gè)烴源層 ,始新統、崖城組湖相和海陸過(guò)渡相及各層序密集段皆為主要烴源巖 ,儲集層主要由扇三角洲、砂灘、砂壩、前積楔和斜坡扇等組成 ;
