distributary mouth bar meaning in English

分流河口沙坝
分支河口沙坝

Delta front sedimentary assembled can be identified three microfacies : underwater distributary channel , underwater overbank deposits and distributary mouth bar . reservoir heterogeneity can divide macro heterogeneity and micro heterogeneity according to reservoir scale . macro heterogeneity research based on sedimentology and studied on sandstone longitudinal and landscape orientation distributing mode , it ' s inner structure character
储层非均质性根据储层描述尺度大小，可区分为宏观非均质性和微观非均质性，宏观非均质性研究是以沉积学为基础，研究砂体纵横向分布模式，砂体内部的结构特征。
Research section braided distributary channel sandstone is mostly positive rhythm , and high porosity and seepage rate in its central - top section , low seepage rate kalk interbed in its bottom . underwater distributary channel sandstone is relatively homogeneous positive rhythm , high porosity and seepage rate in its bottom , its top low . distributary mouth bar sandstone is complex rhythm , many interbeds inside
研究区宏观非均质性特点为：研究区辫状分流河道砂体以正韵律为主，高孔、渗带在砂体中上部，底部常存在低渗透率钙质夹层；水下分流河道砂体为较均质的正韵律，下部孔渗高，上部孔渗变小，分流河口坝砂体为复合韵律，砂体内部夹层多。