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.
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.
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.
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.
由于泥沙的沉积,河床抬升,水深变小,水流速度场在整个堆积扇上明显增大,并在三角洲前缘出现明显的绕岛环流和河流分叉现象。
The water depth reduced due to deposition, the water flow velocity upon the alluvial sector increased obviously and at the front of the delta exists currents around the sand bar.
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.
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.
该三角洲复合体由100多个沉积单元组成。每一个扇三角洲单元,可分出平原相,前缘相。
The delta complex is composed of over100sedimentary units each of which can be divided into a plain facies and a frontier facies.
北部为受生长断层控制的陡坡断阶带,以典型的水下扇、浊积扇和扇三角洲近端前缘沉积为主。
But in the north part of the sub-sag, controlled by the syn-sedimentary fault, steep fault-step was developed with mainly deposition of sub-aqueous fan, turbidity fan, and front of fan-delta.
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.
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.
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.
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.
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.
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.
主要含油层位是葡萄花油层,沉积时期处于松辽盆地北部大型三角洲沉积体系的前缘相带到湖相的过渡带上。
The main layer is Putaohua Formation, deposited in the transition zone from a large delta front to lake in northern Songliao Basin.
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.
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.
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.
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.
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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