查询词典 distributary

The Olmos Formation in the Gold River North field is characterized by a shelf-edge deltaic system, from which five types of depositional systems are identified:(1) fluvial plain, which is characterized by fluvial channels, crevasse splays, and swales;(2) deltaic plain, which consists of distributary channels, levees, and crevasse splays;(3) deltaic-front mouth bars and sheet sands;(4) prodelta, which is composed of silty sediments; and (5) incised valleys, which were formed during subsequent lowstand erosion on exposed deltaic sediments.

美国南得克萨斯地区Webb县Gold River North油田上白垩统Olmos组钻井资料较少，采用地震沉积学方法对其分析，可以识别出一套完整的三角洲体系，其中包括前三角洲亚相、三角洲前缘亚相、三角洲平原亚相、曲流河相和下切谷沉积等，其中河道砂、河口砂坝和下切谷沉积物是有利的储层。

The relation among the sedimentary microfacies, the reservoir physical property, and the distribution of oil/gas are analysed, and it is shown that the favorable place for petroleum accumulation is the sandbody to submerged branch channel and distributary mouth bar in braided\|river delta front.

在此基础上，剖析了沉积微相与储层物性、油气分布的关系，指出水下分流河道和河口坝微相砂体为该区有利的油气聚集区。

Subaqueous distributary channel sand and distributarymouth bar were the main oil producing sandbodies, which had better physical properties, buthigher heterogeneity.

水下分流河道与河口坝是主要产油砂体，具有相对较好的储集物性，但非均质性较强。

The results show that the flow units consist of type A, B, C and D which distribute in sedimentary microfacies of subaqueous distributary channel, mouth bar, crevasse splay, interdistributary bay and subaqueous natural levee, respectively.

研究表明，本区的河流相储层可以划分为为A、B、C、D 4类流动单元，分别分布在水下分流河道、河口坝、决口扇、分流间湾和水下天然堤微相中。

Most of gas-producing formation are located in favorable sedimentary microfacies, such as shallow lake sandbar, river mouth bar, underwater distributary channel and distal sandbar with thick sand body.

大多数产气层均处于浅湖砂坝、河口砂坝、水下分支河道及远砂坝等有利沉积微相较厚的砂体分布范围内。

On the basis of the researching of facies、 petrology、 cathodoluminescence analysis, this paper concludes that the terrigenous clastics in Pingyipu Formation were mostly originated from Motianling palaeo-peninsula lied to its north, and sands in distributary channels、 braidedriver in estuaries、 deltas and in littoral zone in hybrids could be derived from Middle-Sichuan Palaeoland with Peng-Guan Highland.

对早中泥盆世浑水陆源碎屑沉积及混合沉积的沉积相、岩石学、阴极发光等研究分析，作者推测，该区陆源碎屑主要来自北边的摩天岭古半岛，而分流河道、辫状河充填及混积滨岸砂则可能以川中古陆和彭灌高地为主要源区。这一点与过去通常认为的主要来自彭灌岛和轿子顶古岛差别较大。

Frame for the distributary channel sandbodies, reservoir for massive fine-grained sandstone with silty mudstones or mudstone deposits.

骨架砂体为分流河道，储层为块状细粒砂岩夹粉砂质泥岩或砂泥岩互层沉积。

During the paleo-geography evolution, inland lacustrine basin began to form, and the two delta skirt in east and west lakeshore are primary formed in Chang 10, lacustrine basin subsidized quickly, lake district enlarged rapidly and destructive delta are developed in Chang 9, delta are more developed in Chang 8, lakeshore line move outward at large range, turbidite developed well near west lakeshore, delta range is decreased in east lakeshore in Chang 7, features of lacustrine basin are changed remarkably, deep lake and half deep lake area is decreased greatly, while delta sedimentary system is developed at its most in Chang 6, framewok is inherited better, but delta′s construction is slowed and is swamping at large scale in Chang 4+5, lacustrine basin began to be silting, shrinking and dying out, and riverway gradually developed well since Chang 3, distributary riverway developed best in Chang 2, because of imbalance subsidence, subsidence center is formed in east Zichang area and in which lacustrine turbidite is sedimented.

在古地理演化过程中，长10期内陆湖盆开始形成，东西两岸两大三角洲裙初步形成；长9期湖盆快速下沉，湖区迅速扩大，三角洲多为破坏性的；长8期三角洲进一步发育；长7期湖岸线大幅度向外推移，西部浊积岩发育，东部三角洲面积明显减小；长6期湖盆面貌发生了显著的变化，深湖－半深湖面积大大减少，三角洲沉积体系极为发育；长4+5期继承了长6的沉积格局，三角洲建设进程减慢，三角洲大面积沼泽化；从长3期湖盆开始逐步淤浅、萎缩、消亡，河道逐渐发育；长2期分流河道发育；长1期由于差异沉降，在东部子长一带形成沉降中心，沉积了湖相浊积岩。

In accordance with features of petrology, sedimentary structure, profile structure, electrofacies and seismic facies, underwater distributary channel, frontal sill-like sand, mouth bar, distal bar, front fan-delta mud and mere mud and so on, were identified, and depositional features of them in detail were discussed respectively.

根据羊邑组二段-三段的岩行学、沉积构造、剖面结构、测井相和地震相等特征，进一步识别出水下分流河道、前缘席状砂、河口坝、远砂坝、前扇三角洲泥和浅湖泥等沉积微相，并详述了各微相的沉积特征。

According to successfully extracting and graphing of uranium anomalies, the self-center uranium anomalies and their close relationship with meandering stream systems have been observed. The uranium anomaly always develops in the distributary and turning place of meandering stream system, and is related with thin sand area (whose sand thickness and sand ratio are less than 30 meters and 40% respectively), thicker coal, fine lithology, but the highest value of uranium anomaly exists in middle sandstone.

通过对铀异常信息的成功提取及平面编图，发现延安组中铀异常呈一个又一个具有自我中心的单元出现，且与曲流河沉积体系的关系密切：通常发育于河道分岔或转弯处；普遍发育于薄砂带，一般砂体厚度在30m以下，含砂率小于40%；铀异常单元与厚煤层关系密切；主要赋存于粒度较细的岩性中，部分也富集于煤中，但铀异常最高值富集于中砂岩中。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。