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- 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；
- In the tight Upper Triassic sandstone with low porosity and permeability, the distributary channel sand body would be the beneficial target. 在致密低孔低渗的上三叠统厚层砂岩中，分流河道砂体储集性能最好，是勘探的有利目标层。
- All the distributary channel sand bodies on a single graph were superposed, and the reservoir frame sand thickness was evaluated with the superposed graph. 通过对叠加图中各水下分流河道砂体叠加情况的分析，确定了优势储层分布区域。
- In HST beneath the boundary have good interconnecting sand body, poor lateral sealing, and no oil shows; in LST and TST above it have delta distributary channel sand reservoir with serious heterogeneity and good lateral sealing, being oil layer. 界面之下的高水位体系域砂体连通性好、侧向封堵不好、不含油，层序界面之上的低水位体系域及水进体系域三角洲分流河道砂体储集层非均质性强、侧向封堵条件好、含油。
- Hence,tracing this boundary and searching for the delta distributary channel sands in LST and TST will be the key for petroleum exploration in this area. 厘定追踪该界面并寻找该界面之上的低水位体系域和水进体系域的三角洲分流河道砂体是勘探的关键。
- Hence, tracing this boundary and searching for the delta distributary channel sands in LST and TST will be the key for petroleum exploration in this area. 厘定追踪该界面并寻找该界面之上的低水位体系域和水进体系域的三角洲分流河道砂体是勘探的关键。
- 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。
- Keywords Toutai area;Fuyu oil layer;meandering-delta facies;lacustrine facies;distributary channel sand;litholgic trap; 头台地区;扶余油层;曲流河三角洲相;湖泊相;分流河道砂;岩性圈闭;
- then that of the subaqueous distributary channel sand bodies,diaras and river mouth bars is secondary;that of river mouth sand bars of deltaic front subfacies is the last. 三角洲平原亚相的辫状河道砂体物性最好，水下分流河道砂体、心滩砂体次之，三角洲前缘亚相的河口坝砂体最差。
- on delta plain, the acceptable space-sedimentary supply ratio (A/S) was the key factor of controlling the superposition and migration of distributary channel sand bodies; 三角洲平原上可容纳空间与沉积物供给量比值(A/S)是控制分流河道砂体叠加、迁移的关键；
- distributary channel sand 分流河道砂
- distributary channel sand body 分流河道砂体
- Multi-set of fan-delta, distributary channel and delta-front sand bodies of Jurassic and Cretaceous are favorible reservoirs. 其中，侏罗系储集砂体的孔渗条件较差，白垩系砂体的孔渗条件较好。
- In coal-seam roof, distributary channel sedimentations mostly are vertical accretion, and the continuity of sand body evolvement is well. 顶板分流河道沉积作用以垂向加积作用为主，岩体演化具有较好的继承性；
- 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。
- 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。
- The channel sand is not of the cut-and-fill type. 水道砂岩不是切割--充填类型的。
- A case study is made for low sinuosity of distributary channel sandbody. 对低弯度分流河道砂体开展了建模实例研究。
- 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；
- 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。
