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- 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。
- Lakeshore and fan delta plain of the thirdstage are the main enviroments of coal accumulating. 湖泊缓慢淤浅阶段的湖滨和扇三角洲平原是聚煤的主要环境。
- The third, forth and fifth formations is shadow lake-deltaic depositional system, mainly develop shadow lake delta facies. 三、四、五油组为浅水湖泊-三角洲沉积体系,主要发育浅水湖泊型三角洲相。
- 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。
- The research area is mainly located in a delta plain environment including distributary braided channels, natural levees, flood basins, flatland morasses and distributary beaches. 在相分析的基础上,进一步研究了区内沉积微相的平面展布特征及其演化规律,认为区内山1期为近海湖泊辫状河三角洲,到山2期以后演化为内陆湖泊三角洲。
- The Dongying Formation in Laoyemiao region consists of fan delta,lake delta,neritic subaqueous fan and subaqueous gravity flow and lake depositional systems. 老爷庙地区东营组主要发育有扇三角洲、湖泊三角洲、近岸水下扇、水下重力流和湖泊等沉积体系。
- 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 reservoirs at Baobei block, the Baolang oil field in the Yanqi Basin are composed of braided distributary channel sandbodies in lower delta plain. 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 lower clastic member under coal C_3 is interperted as deposits of anastomosed river system on the upper delta plain. 研究表明:C_3煤层形成对的下伏碎屑岩段为一发育在上三角洲平原上的网状河流体系。
- The reservoir type is delta plain facies distributary channel sandbody,and the lithology is mainly composed of fine arcose with a compact cementation. 储层为三角洲平原分流河道砂体,岩性主要为细粒长石砂岩,胶结致密。
- In Bengal delta plain subsurface aquifers,these microbial reactions may mobilize arsenic from the solid phase into the aqueous phase,resulting in contaminated underground water. 在孟加拉三角洲的地下含水层中,微生物参与了将砷从固相迁移到水相的关键步骤,最终导致了地下水中的砷污染。
- Delta plain and front subfacies belong to river-lake transitional facies,there are lots of similar and different facies marker between the two subfacies. 湖成三角洲平原和前缘同属河湖过渡相,其对应沉积相标志存在很多相同和不同之处。
- Large lake deltas,equivallent to marine delta in size,occur within Dongying Formation in Bozhong sag. 渤中凹陷东营组内发育了内陆湖盆中罕见的大型湖泊三角洲,其规模与海相盆地三角洲相当。
- The river discharged into the western part of the deltaic plain. 河水排注到三角洲平原的西部。
- Fuyang reservoir in on hem Songliao basin is a delta plain with well-developed channels of which the banded channel-sand is of strong heterogeneity and anisotropy. 摘要松辽盆地北部扶杨油层属三角洲平原沉积,河道广泛发育,条带状发育的河道砂体具有很强的非均质性和各向异性。
- These ongoing depositional changes related to differential subsidence have potentially serious ramifications for this low-lying, densely populated delta plain area. 由于大量全新世沉积堆积在崇明岛前缘的沉降中心,重力压实作用导致该中心前部出现“泥火山”,周围地层变形明显。
- MATHEMATICAL MODELOF A LAKE DELTA 湖泊三角洲数学模型
- The depositional areas of lagoonal delta plain peat swamp, terrigenous supratidal peat flat and terrigenous supratidal peat swamp were the best place of the coal-accumulating process. 潟湖三角洲平原和陆源碎屑潮上泥炭坪及泥炭沼泽是最佳的聚煤场所。
- The treatment of ANN lithofacies shows that typical delta facies include distal bar,mouth bar,subaqueous distributary channel,interdistributary estuary in delta front,delta plain branch channel and inter branch channel in ascending order. ANN(神经网络 )岩相处理结果表明 ,典型的三角洲沉积岩相序列自下而上依次为三角洲前缘远砂坝、河口砂坝、水下分流河道、分流间湾、三角洲平原分支河道及分支河道间沉积 ,将其结果与录井岩性序列对比 ,符合率非常高。