摘要
民和盆地是发育在中祁连隆起带前寒武系变质岩基底之上的一个中、新生代山间盆地。中、新生界总厚度近7000m,中侏罗统窑街组暗色泥岩和油页岩为主要烃源岩,上侏罗统享堂组及下白垩统河口组砂岩为主要储集岩,长期在中央古隆起控制下所形成的各类圈闭为重要的油气勘探目标区。
Minhe Basin is a Mesozoic-Cenozoic intermont basin grew on Precambrian metamorphic rock basement in middle Qilian uplift zone. Total thickness of Mesozoic-Cenozoic is about 7000 meters. Dark shale and oil shale of Yaojie Formation of middle Jurassic are the main hydrocarbon source rock. Xiangtang Formation of Late Jurassic and Hekou Formation sand of Lower Cretaceous are main reservoirs. Different kinds of traps formed long time under the control of central old uplift are significant oil and gas target for exploration.
关键词
盆地演化
油气藏
储集层
地质条件
Minhe Basin, basin evolution, source rock, oil-gas reservoir
