distributary bar

基本解釋

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.
其中曲流河河道，三角洲前緣水下分流河道、分流河口砂壩、遠砂壩以及灘壩是主要的砂體成因類型。
And the delta genetic unit includes distributary channel, distributary bay, small lake of delta plain, swamp, distributary estuary bar, frontal delta mud and sandy density flow and so on.
其成因相包括分流河道、決口扇及決口河道、分流間灣、三角洲平原小型湖、沼澤、分流河口壩、前三角洲泥及砂質(zhì)重力流等；
The favourable reservoir sandstones in these gas pools may broadly be assigned to the deltaic front channel mouth bar, deltaic plain distributary channel bar and fluvial channel bar microfacies.
氣藏內(nèi)有利儲集砂巖多屬三角洲前緣河口砂壩、三角洲平原分流河道砂壩及河流相河道砂壩微相。