...辫状河三角洲；剩余油分布[gap=1848]Key words: Velasquez oilfield; Guaduas formation; sedimentary micro-facies; braided river delta; remaining oil distribution..
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braided-river delta 辫状河三角洲
braided river-delta 辫状河三角洲
braided river delta front 辫状河三角洲前缘
shallow braided river delta 浅水辫状河三角洲
braided river delta facies 辫状河三角洲相
shallow water braided river delta 浅水辫状河三角洲
braided river delta sedimentary system 辫状河三角洲沉积体系
There is braided river delta sedimentary system in the northeast of the gentle slope, while delta in the northwest.
在东北部缓坡带发育辫状河三角洲，而在西北部缓坡带则发育曲流河三角洲。
The sedimentary facies mainly consists of 5 types, such as meandering river, braided river, braided river delta, lake and swamp lake.
沉积相类型主要为曲流河、辫状河、辫状三角洲、湖泊、沼泽化湖泊等5种。
In vertical, from E31 to E32, it changes from braided river delta to a shallow lake facies, thus, formed a cycle which lithologic character is rough at bottom.
在纵向上，从E31 - E32，从下向上由辫状河三角洲相变为浅湖相，构成了一正旋回沉积。
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