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- Keywords braided stream delta front;short-term baselevel cycle;genesis of sandbody;Xifeng oil field;Ordos basin; 辫状河三角洲前缘;短期基准面旋回;砂体成因;西峰油田;鄂尔多斯盆地;
- braided stream deltaic front 辫状河三角洲前缘
- High resolution sequence stratigraphy analysis of reservoir sandstones in the braided stream delta front of the Triassic Chang 8 oil formation in the Xifeng oil field of Ordos basin, China 西峰油田长8油层组高分辨率层序地层分析
- Braided Stream Delta Deposit of Eogene Es_2~(10) in Haojia-Shinan Area of Dongying Depression 东营凹陷郝家史南地区下第三系沙二10辫状河三角洲沉积
- meandering stream deltaic front 曲流河三角洲前缘
- The braided nyc delta front subfacies located on the south slop area is developed in the braided rive delta which progrades from south to north. 利用沉积体制方法研究丁沾化凹陷孤南洼陷沙三段中亚段中部沉积体系平面分布规律。
- The ore-hosting Yaojia Formation is composed of a set of braided stream medium-fine grained sediments. 摘要姚家组为一套中细粒辫状河流沉积。
- There are three deltaic types developed in lacustrine strata, i. e., normal, braid and fan deltas, which consist of delta plain, delta front and front delta. 摘要在湖泊中存在三种三角洲类型，即正常三角洲，辫状三角洲和扇三角洲。
- Two sedimentary facies of braided stream facies and low-sinuosity stream facies are developed in low member of Guantao Formation in Taiping oilfield. 太平油田馆陶组下段发育辫状河流相和低弯度河流相两种沉积相类型,其中低弯度河流相在研究区馆陶组下段为首次识别。
- There was fining-upward parasequence in braided stream, but coarsening-upward parasequence was not in braided stream sediments. 辫状河准层序表现为粒级向上变细、河道水体向上变浅的准层序,而粒级向上变粗的准层序不发育。
- Through accurate description and dissection of deltaic front outcrops, 11 petrographic facies types are established. 通过对三角洲前缘露头的精细描述和解剖,建立了研究区11种岩石相类型。
- The formations from the 1st member of Shanxi formation to the upper 8th member of Xiashihezi in Permian, Neopaleozoic are mainly sedimentary system of complex braided stream in Sulige area of Eerduosi Basin. 鄂尔多斯盆地的苏里格地区上古生界二叠系山1段至盒8上段主要为一种复杂的辫状河沉积体系。
- The lenses-shaped reservoir developed down the slope point, deltaic front, and the sphenoid reservoir developed upper the slope point. 坡折带之下的三角洲前缘有利于岩性油藏的形成；
- Alluvial systems tract is composed of alluvial fan or braided fan and braided stream, transgressive systems tract and regressive systems tract are respectively composed of degrading and progradin... 水进和水退体系域分别为退积型和进积型扇三角洲、辫状三角洲和湖泊沉积为主，指示了断陷湖泊的扩张和收缩，发育较完整；
- They are widely developed in delta front, and they usually overlap vertically and occur in belts regionally. 它们在三角洲前方广泛发育，垂向上相互叠置、平面上成带出现。
- Seismicity can damage the stability of delta front and form liquefied fluxoturbidite and faulted fluxoturbidite. 其中地震作用可以破坏三角洲前缘的稳定性，形成液化滑塌浊积体和断阶滑塌浊积体。
- It has a two-layer structure, i. e. braid-river delta plain subfacies and braid-river delta front subfacies. 它明显分为两层，即辫状河三角洲平原亚相和辫状河三角洲前缘亚相。
- Underwater distributary channel of the delta front and turbidite fan are the profitable facies of Dongpu depression. 有利相带主要为三角洲前缘水下分流河道和浊积扇。
- sand body of braided stream facies 辫状河流相砂体
- During the abandonment period of delta, sediments of delta front were usually rebuilt by tidal action. 在三角洲废弃期，三角洲前缘沉积物常被潮汐作用改造。
