河口坝与前缘砂坝接触，酸性水容易进入河口坝，河口坝砂体中的长石受酸性水溶蚀，形成次生孔隙。
The mouth bar contacts with the frontal sand bar and acidic water can easily flow into mouth bar. The feldspar in sand bodies of mouth bar is dissolved and generates secondary pores.
其中曲流河河道，三角洲前缘水下分流河道、分流河口砂坝、远砂坝以及滩坝是主要的砂体成因类型。
The channel of meandering river, the distributary channel of delta front , distributary mouth bar , distal bar and the beach bar are the main sand body types.
准噶尔盆地侏罗系属河流三角洲沉积体系，在盆地腹部发育三角洲前缘水下分流河道及河口坝等多类砂体。
The Jurassic of Junggar basin is a river delta sedimentary system, with subaqueous distributary channel and mouth bar sand body developed in the hinterland of Junggar basin.
其主要沉积环境是三角洲前缘和三角洲水下河道砂体以及分支河口砂坝。
The main sedimentary environment is delta front and delta underwater channel sand and branched channel mouth bar.
有利的储集相带为水下分流河道砂体和河口砂坝中心的溶蚀孔隙相和绿泥石胶结相。
The favorable reservoirs are dissolution pore facies and chlorite cement facies in the sand bodies of subaqueous distributary channels and center of river mouth sandbars.
水下分流河道和河口砂坝砂体相互连接，物性好，为储油的有利相带。
Among these phases, the underwater distributary channels and the estuary dam are favorable phases for oil accumulation with relatively good physical property.
扇三角洲前缘砂体类型以水下分流河道为主，局部发育河口坝。
The subaqueous distributary channel is the main type of the fan delta front while the channel mouth bar is developed locally.
扇三角洲前缘砂体类型以水下分流河道为主，局部发育河口坝。
The subaqueous distributary channel is the main type of the fan delta front while the channel mouth bar is developed locally.
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