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(yuǎn)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(chǔ)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。