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- Five microfacies sandbodies including distributary channel, mouth bar, front sheet sand, gravity flow sand and overbank sand are developed in the fan delta front. 在扇三角洲前缘主要发育水下分流河道、河口坝、前缘席状砂体、重力流砂体、水下溢岸砂体5种微相砂体。
- The fan delta front sheet sand and the slump turbidite system that arecontrolled by the cascade fault landform of the actic region is the advantageous areaof seeking a section of lithologic trap of the Dongyi interval. 陡坡带断阶地貌控制下的扇三角洲前缘砂体及滑塌浊积体是寻找东一段岩性圈闭的有利地区;
- Non-flattening Delta Front Sheet Sand--Evidence from Outcrops and Subsurface 不平坦的三角洲前缘席状砂--来自露头和地下的证据
- Five types of sedimentary microfacies , such as underwater distributary channel mouth bars, front sheet and far sand bars, and front fan delta muds, are differentiated. 研究区可作为储层的砂体主要为水下分流河道砂体、河口坝砂体、前缘席状砂砂体及远砂坝砂体。不同类型的砂体由于其形成环境不同,其物性和分布有较大差异。
- The reservoirs in the study area are mainly delta plain distributary channel sand body and delta front underwater distributary channel sand body. 研究区储层主要为三角洲平原分流河道及三角洲前缘水下分流河道砂体；
- The sand bodies located in distributary channel of lake facies delta plain and river mouth of delta front are favorable reservoir beds. 湖相三角洲平原分流河道和三角洲前缘河口坝砂体为有利储层。
- In literally, there shows the evolution trend from northeast and southwest distributaries channel sand to delta front far bar sand. 平面上，从北东向南或南西方向显示出从分流河道砂体向三角洲前缘远端坝砂体过渡的变化趋势。
- Because fan delta front subdistributary channel or distributary channel is the major depositional microfacies of Sha1, the reservoir mainly is coarse grade and single thick sand. 沙一段以扇三角洲前缘水下分流河道或分流河道相储层为主，粒度粗，单一砂层厚度大；
- Major reservoir is sand bodies of subaquatic distributary channels in delta fronts. 沉积相是最主要的因素，三角洲前缘水下分流河道砂体是主要的储集体。
- So that the main force (micro) facies is shallow lascustrine sand bar, sheet sand, deep-lake fans, braided channel and slump turbidite fans. 浅湖砂坝、席状砂、深湖浊积扇、深湖+浊积砂、辫状河水道和滑塌浊积扇是达尔其油田主力产油沉积（微）相。
- Subaqueous distributary channel is the most favorable facies belt, followed by frontal sheet sand, subaqueous main channel, mouth bar and distal bar. 提出水下分流河道砂体是最有利储层发育的微相类型，其次为前缘席状砂、水下主河道、河口坝和远砂坝微相。
- 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。
- Depositional features of two kinds of reservoir sandbody (loch sand bar, sheet sand) in upper Es 4 of Boxing subsag are described from the analysis of single well facies profile. 从单井相剖面分析出发,对博兴洼陷沙四段上亚段滨浅湖砂坝、席状砂两种储集砂体的沉积特征进行描述。
- 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。
- 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。
- In contrast , the regular and good reserved delta front is disadvantaged to form fluxoturbidite. 相反,形态规则、保存完好的三角洲前缘反而不利于滑塌浊积岩的形成。
- In loess hilly-gully region covered by sheet sand,soil water erosion process is different from typical loess hilly-gully region because of worse natural environment and loose land surface material. 在片沙覆盖的黄土丘陵区，由于恶劣的自然环境及松散的地表组成物质，土壤的水蚀过程明显地不同于典型的黄土丘陵区。
