浅水三角洲前缘平坦、开阔。
扇三角洲前缘砂体类型以水下分流河道为主，局部发育河口坝。
The subaqueous distributary channel is the main type of the fan delta front while the channel mouth bar is developed locally.
注水开发后期胜坨油田三角洲前缘反韵律厚油层剩余油分布复杂。
Residual oil distribution is complicated in the thick reverse rhythm reservoir in the delta front of Shengtuo oilfield in late waterflooding stage.
其主要沉积环境是三角洲前缘和三角洲水下河道砂体以及分支河口砂坝。
The main sedimentary environment is delta front and delta underwater channel sand and branched channel mouth bar.
上海地处长江三角洲前缘，正当我国南北海岸线的中部，地理位置优越。
Shanghai is on the tip of the Yangtze Delta, in the middle of China's coastline running down from the north to the south.
含油气砂岩段主要以三角洲前缘水下分流河道和水下分流河口砂坝沉积微相为主。
The environment of sandstone containing oil and gas includes underwater distributary's channel and estuary dam in the delta frontier.
通过对三角洲前缘露头的精细描述和解剖 ，建立了研究区 1 1种岩石相类型。
Through accurate description and dissection of deltaic front outcrops, 11 petrographic facies types are established.
在河口湾、潮间带和河流三角洲前缘环境中形成的沉积体也不适合进行构型单元分析。
It is also not suitable for the deposits formed in sedimentary environments such as firths, tidal zones and fluvial deltas.
环境系数通常与距离生油凹陷的远近及与三角洲前缘砂体的接触程度等外部环境因素有关。
The environment coefficient usually relates to some external environment factors, such as the distance to genetic sag and the contact degree to frontal sand body of delta.
大庆油田三角洲前缘席状砂解剖发现，即使在外前缘相带，席状砂仍然具明显的水道特征。
It is found by dissecting the delta front sheet sands in Daqing Oilfield that though it is at outer front facies belt, there exists obvious characteristics of a water course in sheet sands.
扇三角洲沉积体明显地可划分为：扇三角洲平原亚相、扇三角洲前缘亚相和前扇三角洲亚相。
The fan deltaic body can be divided into three subfacies, named fan delta plain, fan delta front and pro-fan delta.
高邮凹陷隐蔽油藏的分布受控于三角洲前缘-前三角洲、近岸水下扇和浊积扇三种相带类型。
The distribution of concealed oil accumulation is controlled by the fore part of delta, nearshore fan and turbidite fan in Gaoyou sag.
充分利用密闭取心、密井网等资料，精细剖析了双河油田扇三角洲前缘储层沉积微相及其分布。
The microfacies and their distributions of fan delta front in Shuanghe oil field are analyzed in detail by using sealed coring data, highly dense well patterns and so on.
充分利用密闭取心、密井网等资料 ，精细剖析了双河油田扇三角洲前缘储层沉积微相及其分布。
On the basis of studying the sedimentary microfacies of fan delta front in the oilfield, stratified dynamic tes.
扇三角洲前缘水下分流河道形成的碎屑岩体是扇三角洲沉积的主体部分，成为主要的油气储集体。
The subaqueous distributary channel clastic rock bodies in the fan delta front formed the main part of the fan delta and the most important oil and gas reservoirs.
气藏内有利储集砂岩多属三角洲前缘河口砂坝、三角洲平原分流河道砂坝及河流相河道砂坝微相。
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.
在坳陷湖盆，河道、湖岸线和缓坡对有利于岩性圈闭发育的三角洲前缘砂体具有明显的控制作用。
The rival channel, lake shoreline and gentle slope are quite important for controlling the delta-front sand-body of lithologic trap in a depression basin.
该构造储层属三角洲前缘亚相的水下分流河道微相沉积，并存在由成岩作用形成的次生孔隙发育带。
Its reservoir with secondary porosity zone is also a key for petroleum pool formation, which is of distributary channel of fan delta front.
其中曲流河河道，三角洲前缘水下分流河道、分流河口砂坝、远砂坝以及滩坝是主要的砂体成因类型。
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.
形成了冲积扇—扇三角洲—滨浅湖泊、三角洲前缘—滨浅湖—中深湖、中深湖—浅湖沉积体系组合型式。
It formed such association types as alluvial fan-fan delta-shallow coastal lake, delta front-shallow coastal lake-semi-deep lake, semi-deep lake shallow lake sedimentary system.
砂砾岩储层的物性随着沉积环境的不同表现出较大的差异，且以扇三角洲前缘亚相水下分流河道微相最好。
Physical properties of the sandy conglomerate reservoirs differ greatly in different depositional environments, and the best occurs in underwater distributary channel on fan delta front.
准噶尔盆地侏罗系属河流三角洲沉积体系，在盆地腹部发育三角洲前缘水下分流河道及河口坝等多类砂体。
The Jurassic of Junggar basin is a river delta sedimentary system, with subaqueous distributary channel and mouth bar sand body developed in the hinterland of Junggar basin.
依据层次分析法原理，将三角洲前缘共划分出5个层次，分析了各级界面的岩石类型、分布特征及物性特征。
Based on the principle of hierarchical analysis, the deltaic front is divided into 5 hierarchies, for which the rock types, its distributional characteristic for each interface are analyzed.
该三角洲沉积的特征是入海河流流速低而流量大，泥沙含量高而粒级细小，在三角洲前缘伴生有生物礁(滩)。
The river for building the delta was characterised by low velocity, high discharge, high concentration of fine clay and sand, and associated with reef (shoal) in delta front.
该三角洲沉积的特征是入海河流流速低而流量大，泥沙含量高而粒级细小，在三角洲前缘伴生有生物礁(滩)。
The river for building the delta was characterized by low velocity, high discharge, high concentration of fine clay and sand, and associated with reef (shoal) in delta front.
铜钵庙组三角洲前缘砂体、南屯组（扇）三角洲前缘砂体和水下扇砂体为油气聚集成藏提供了良好的储集空间。
The delta front sandbody in Tongbomiao Formation, the subsea apron sandbody and fandelta front sandbody in Nantun Formation provide good reservoir space for hydrocarbon accumulation.
分析表明：从扇三角洲平原到扇三角洲前缘，矿物成分成熟度呈现递增的趋势，河口坝微相的长石砂岩最为发育；
The results show that the mineral comparative maturity of sandstones increases with the distance from the fan-delta plain to the fan-delta front;
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。
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.
波浪作用可以侵蚀浪基面附近的三角洲前缘砂体，并在回流作用下携带至最大浪基面之下再沉积，沉积过程中形成小型浊积体。
The sediments of delta front around wave base plane are eroded by wave action and took along to redeposit below wave base plane, during which turbidite is formed.
三角洲平原分流河道沉积底部泥砾较发育，沼泽沉积中发育植物根和褐煤沉积；三角洲前缘河口砂坝沉积物粒度较平原决口扇粗。
Mud gravel is often found in the base of distributary channel sediment, plant root and lignite often develop in the swamp sediment.
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