The formation superpressure system developed in the Palaeogene system of Dongying Fault Basin plays an important role in hydrocarbon migration and accumulation.
东营断陷盆地古近系发育的地层流体超压系统对油气运聚、成藏至关重要。
Mian-120 Area is located on the south-west end of Bamianhe Oilfield, the main reservoirs include Sha-3 Zone and Sha-4 Zone of Shahejie formation of palaeogene system.
面120区位于八面河油田西南端，主要含油层系为下第三系沙河街组沙三段与沙四段。
The Palaeogene system in the southern west sag of the Dongpu depression consists of rift lacustrine deposits, and is developed with fluvial, delta, alluvial, fan delta and lacustrine facies.
东濮凹陷西洼南段老第三系属地堑型湖盆沉积，主要发育河流相、三角洲相、冲积扇相、扇三角洲相以及湖泊相。
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