辫状河三角洲砂体是重要的油气储集场所。
Sand bodies of braided-river deltas in this region are good reservoirs of oil and gas.
扇三角洲砂体的沉积特征与碎屑供应、古地貌和沉积环境密切相关。
Character of fan delta sand body is confined by sediments resource, sedimentary landform, and sedimentary environment, etc.
廊固凹陷万庄构造沙三中段发育扇三角洲砂体，且邻近生油洼槽，有利于岩性油藏的形成。
The fan delta sand body developed in middle segment of ES3 of Wanzhuang structure in Lang-Gu depression is adjacent to oil-generating sag, which is of benefit to form the lithologic reservoir.
下面所列举的是分布于分流和三角洲前绿砂体的油气田的例子，在地质时代上从晚古生代至中新生代。
The following examples of oil and gas fields in distributary and delta- fringe sand bodies range in age from late paleozoic to middle cenozoic.
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.
结果在凹陷内圈定了与主河口有关的扇三角洲前缘、水下扇等骨架砂体的展布，识别出了构造、岩性及复合等多种可能的有利圈闭。
ResultsSand architecture of fan delta, subaqueous fan associated with main mass sources are outlined, helping to identify potential structural, lithologic and composite traps.
焉耆盆地宝浪油田宝北区块储层为下三角洲平原辫状分流河道砂体。
The reservoirs at Baobei block, the Baolang oil field in the Yanqi Basin are composed of braided distributary channel sandbodies in lower delta plain.
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.
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.
研究区储层主要为河流—湖泊相和三角洲相砂体沉积。
Fourthly, the main reservoir of study area is sand bodies of deltaic depositional system and fluvial-lacustrine depositional system.
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.
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.
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.
研究区储集层岩相主要为三角洲相、滨浅湖相砂体。
The reservoir types in the studied region are mainly deltaic facies and inshore shallow lake facies sand bodies.
低水位近岸(水下)扇、斜坡碳酸盐岩、与三角洲有关的各类砂体是良好的油气储层。
A coastal sand body of submerged fan, a carbonate deposited on the slope on LST, and every sandstone related to the delta deposit is a good reservoir.
二是上三叠系延长组三角洲油气区，主要位于盆地东部，具有湖相三角洲前积砂体和平原分流河道砂体两种油、气藏序列。
Triassic Yanchang deltaic oil-gas located in east of basin with two kinds of oil-gas reservoir sequence, the lacustrine facies delta foreset sand body and plain distributary sand body.
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.
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.
后者储集体主要由由下切水道充填砂岩体、水下扇、废弃型三角洲等砂体组成。这些砂体均是良好的油气储层，并具有相似的成藏动力学过程。
The low stand fans in fault break mainly are almost all favorable reservoirs for oil and gas, and show similar dynamic progress of hydrocarbon accumulation.
后者储集体主要由由下切水道充填砂岩体、水下扇、废弃型三角洲等砂体组成。这些砂体均是良好的油气储层，并具有相似的成藏动力学过程。
The low stand fans in fault break mainly are almost all favorable reservoirs for oil and gas, and show similar dynamic progress of hydrocarbon accumulation.
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