The reservoir sandstone is mainly composed of subsea distributary channel, where subsea distributary channel flank and subsea natural barrier are next.
储集砂岩以水下分流河道为主，水下分流河道侧翼和水下天然堤次之。
Five microfacies of subsea distributary channel, its flank, subsea natural barrier, subsea interdistributary bay and coastal or neritic shale are developed in Block Wen 65 of Wenliu Oilfield.
文留油田文6 5块发育水下分流河道、水下分流河道侧翼、水下天然堤、水下分流间湾、滨浅湖泥5种微相。
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