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- Keywords Sequence stratigraphy;Nonmarine sedimentary system tract;Model; 关键词层序地层学;陆相;沉积体系域;模式;
- Keywords sandstone distribution;lithologic reservoir;paleography of sedimentation;sedimentary system tract;sequence stratigraphy;western sag of Liaohe Depression; 砂体分布;岩性油气藏;岩相古地理;体系域;层序地层;辽河西部凹陷;
- sedimentary system tract 体系域
- So-called 4th sequence is a system tract practically with no cyclicity. 四级层序就是体系域,不具有旋回性。
- The result shows that front-delta is the main sedimentary system of Chang 6 in the studied area,the subaq... 长61期不同级次的水下分流河道交叉叠合连片更加明显;砂体厚度大、分布广;为研究区长6油层组主力产层.
- There exits fan delta sedimentary system in the west and middle of the steep slope, while inshore subaqueous fan in the east. 在陡坡带的中、西部地区发育扇三角洲沉积体系,而在陡坡带东部则发育近岸水下扇沉积体系;
- Based on the analysis of the drilling and geological data, the sedimentary system of upper Palaeozoic erathom can be divided into four types. 通过对钻井资料和地质资料的分析研究,将上古生界沉积体系划分为四种类型。
- Sandy clastic current in sedimentary system of slope was the main reservoir type, and it was also a hot topic of reservoir research at present. 摘要斜坡沉积体系中的砂质碎屑流沉积是斜坡带的主要储集体类型,也是现阶段储层研究的热点之一。
- Therefore, hydrocarbon source rocks formed in the early highstand system tract have the best hydrocarbon potential. 因此早期高位体系域中的烃源岩有较好的生烃潜力。
- Fluvial fan sedimentary system disposed at the edge of south and north basin;Braided river system disposed in the central basin in late cretaceous in Xinjiang. 晚白垩世信江盆地北缘及南缘边界断层附近发育冲积扇体系,中央洼陷区发育河流沉积体系。
- Highstand System Tract mainly develops depositional system of offshore-meare, fluvial facies and prograded delta. 高位体系域主要发育滨浅湖相、河流相及进积型三角洲沉积体系。
- It indicated that deltaic depositional system、lake sediments and landslide slump fan are the main sedimentary system of Chang 6 in Yichuan-Xunyi district. 结果表明,长6油层组主要发育三角洲沉积、湖泊沉积和湖底滑塌扇沉积。
- Sedimentary system and distribution features of early Tertiary in Liaohe tidal zone are studied by using seismic stratigraphy, sequence stratigraphy, and logging sedimentology. 运用地震地层学、层序地层学、测井沉积学分析手段,对辽河滩海地区下第三系的沉积体系及展布特征进行了研究。
- Lianmuqin Formation of Cretaceous,Shengbei structure zone of Shengbei Sag,Turban-Harmy basin,belongs to typical fan-deltaic front sedimentary system of north sediment source. 吐哈盆地胜北洼陷胜北构造带白垩系连木沁组属于典型的北物源扇三角洲前缘沉积体系,其砂体埋藏深度较浅,储层物性较好,向北上倾尖灭型岩性圈闭发育。
- Transgressive system tract were superimposed by retrogradation, and high system tract were superimposed by progradation. 对体系域内部特征的描述表明,海侵体系域为由一系列退积叠置构成,高位体系域则由进积叠置构成。
- The oil shale of the third mumber developed in highstand system tract, and its genetic type is of humosapropelic of shallow lacustrine facies. 油三层形成于高水位体系域发育时期,成因类型为浅湖相腐殖-腐泥型油页岩。
- A model for the Lower Tertiary framework and sequence system tract of Jiyang subbasin was established with the high_resolution sequence stratigraphy. 建立了济阳坳陷下第三系高精度层序地层格架和层序体系域的构成模式。
- Based on the sedimentary system of Poyang Lake basin from Holocene,the sedimentary system of the margin of Poyang Lake basin presents asymmetry,and shows cyclicity in vertival series. 以全新世以来鄱阳湖盆地沉积体系为基础,发现在鄱阳湖盆地边缘沉积体系呈现不对称性,垂向系列上呈现旋回性。
- The sedimentary systems and facies associations of Huangxian Formation were studied with the help of principles and methodolohy of basin analysis. 本文采用盆地分析的基本原理和方法,对黄县盆地的沉积体系与相构成进行了研究。