该构造储层属三角洲前缘亚相的水下分流河道微相沉积，并存在由成岩作用形成的次生孔隙发育带。
Its reservoir with secondary porosity zone is also a key for petroleum pool formation, which is of distributary channel of fan delta front.
辫状三角洲体系的平原相基本上由辫状河道沉积组成，三角洲前缘及前三角洲相带则以快速堆积、滑塌及浊流沉积为主。
Braid delta systems mainly consist of braid river deposits in delta plain facies, rapid accumulation deposits, slump deposits and turbidites in delta front and prodelta facies.
大庆油田三角洲前缘席状砂解剖发现，即使在外前缘相带，席状砂仍然具明显的水道特征。
It is found by dissecting the delta front sheet sands in Daqing Oilfield that though it is at outer front facies belt, there exists obvious characteristics of a water course in sheet sands.
高邮凹陷隐蔽油藏的分布受控于三角洲前缘-前三角洲、近岸水下扇和浊积扇三种相带类型。
The distribution of concealed oil accumulation is controlled by the fore part of delta, nearshore fan and turbidite fan in Gaoyou sag.
高邮凹陷隐蔽油藏的分布受控于三角洲前缘-前三角洲、近岸水下扇和浊积扇三种相带类型。
The distribution of concealed oil accumulation is controlled by the fore part of delta, nearshore fan and turbidite fan in Gaoyou sag.
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