From bottom to top, it consists of shallow lacustrine facies, delta facies and meandering river facies.
自下而上由浅湖相、三角洲相和曲流河相组成。
River facies and sand bank facies distributed in the middle of Jinhua-Quzhou Basin, locating in sectors between Quxian and Longyou.
河流及沙洲相分布于盆地中部,即衢县和龙游之间的区段;
There were three times of sea-level fluctuation corresponding to the paleoclimate evolution, which had formed the sediments of alternative sea and river facies.
晚更新世以来的三次海平面升降变化造成了潍河下游地区海陆沉积环境交替,形成了巨厚的海陆交互相沉积层。
The reservoir quality is strongly influenced by the depositional facies and diagenesis of the Chang 2 sandstones of braided river facies in Qinghuabian oil field.
摘要青化砭油田上三叠统长2辫状河砂岩储集层物性主要受沉积相及成岩作用的控制。
The genetic types in river facies sand-body are divided into 5 types and corresponding measures of excavating remaining oil potential must be adopted for each type.
河流相储层剩余油成因类型丰富,可详细划分为5类成因类型,针对每一类剩余油分布形式应采取相应的挖潜措施。
The authors try to research the classification, sequence structure and stacking pattern of the high-resolution sequence stratigraphy about river facies and further use them to study sand distribution.
由此力求建立适合于河流相沉积的高分辨率层序地层学层序划分方案、旋回结构及叠加样式,并将其进一步运用到河流相沉积体系的砂体时空展布的研究中。
The reviews of modern half graben lakes show that coarse depositional facies do not developed everywhere along the lake margin, but only at the main river mouths.
现代断陷湖盆沉积考察表明,并非湖盆边缘处处发育粗粒沉积相,粗粒沉积体系仪仅发育在主河口附近。
Braid delta systems mainly consist of braid river deposits in delta plain facies, rapid accumulation deposits, slump deposits and turbidites in delta front and prodelta facies.
辫状三角洲体系的平原相基本上由辫状河道沉积组成,三角洲前缘及前三角洲相带则以快速堆积、滑塌及浊流沉积为主。
Based on the sedimentary microfacies characteristic symbol of river in an area, this paper presents a kind of sedimentary facies recognition method based on neural network.
根据某地区的河流微相特征标志,给出了一种基于神经网络的沉积相识别方法。
Results the model of the fluvial facies sand-body sediment the extensive connecting body for braid river sang-body and the half connecting body for meandering river sand-body.
结果建立了辫状河砂体“泛连通体”、曲流河砂体“半连通体”的储层砂体沉积模式。
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。
During the late late Permian the epicontinental sea extincted and this area evolved into an inland depression and formed river lake fillings, mainly lake facies.
晚二叠世晚期陆表海消亡,本区转化为内陆坳陷,形成以湖泊沉积为主的河湖充填。
The favorable reservoirs are dissolution pore facies and chlorite cement facies in the sand bodies of subaqueous distributary channels and center of river mouth sandbars.
有利的储集相带为水下分流河道砂体和河口砂坝中心的溶蚀孔隙相和绿泥石胶结相。
Alluvial fan, fluvial, lake, fan delta, braid river delta and meandering river delta facies sediments are widely developed in Jurassic in Turpan-Hami basin.
吐哈盆地侏罗系广泛发有冲积扇、河流、湖泊、扇三角洲、辫状河三角洲及曲流河三角洲相沉积。
River, delta and lacustrine facies are developed in deposited area from west to east.
沉积区由西向东依次发育河流相、三角洲相、湖泊相。
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。
Based on the division of river-delta reservoir sedimentary facies, we present a distinguishing method based on the fuzzy reasoning NN.
针对河流-三角洲储层沉积微相的划分问题,提出了基于加权模糊推理神经网络的判别方法。
The Dagu-Yanghe tidal delta, a facies system, is formed on the west side of Jiaozhou bay, where the river mouth bar and interdistributory bay are the major sub-facies.
该体系包括大沽河-洋河潮控三角洲和与狭口海湾密切相关的涨、落潮流三角洲,潮流作用在各三角洲的形成过程中为主要的沉积动力。
There are three main types of sedimentary facies: braided-river delta, slip turbidite fan, near-bank submerged alluvial fan.
确定研究区沙三段主要发育有辫状三角洲、近岸水下扇、滑塌浊积扇等几种沉积相类型;
The dark mudstones of the Wenchang Formation with AOM organic facies are potential lacustrine oil source rocks in the Pearl River Mouth Basin.
具有无定形有机相的文昌组暗色泥岩是珠江口盆地良好的湖相油源岩。
According to the microfacies characteristic indication of a river in an area, this paper presents a sedimentary facies recognition method based on neural network.
本文根据某地区的河流微相特征标志,给出了一种基于神经网络的沉积相识别方法。
According to the microfacies characteristic indication of a river in an area, this paper presents a sedimentary facies recognition method based on neural network.
本文根据某地区的河流微相特征标志,给出了一种基于神经网络的沉积相识别方法。
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