该方法对提高旋回层序的划分精度与储层评价、预测精度具有重要的意义。
The method has great significance for the improvement of the precision of cyclic sequence division, reservoir evaluation and prediction of the precision.
讨论了短期基准面旋回层序的各种结构类型和沉积动力学过程与地层响应的关系。
In this paper, various types of structure and the relationship between sedimentary dynamic process and strata response of the short cycle sequences is discussed.
米级旋回层序揭示了高频海平面变化引起的海水—淡水和盐水—淡水混合水白云石化。
The meter scale cyclic sequences reveal the mixing water dolomitization resulted from frequent fluctuation of sea level.
本文采用小尺度地层单元的等时追踪对比方法,对研究区侏罗系中相当于中期旋回层序中的中、小层尺度地层单元进行了等时追踪对比。
Applying small scale strata units tracking and correlation method, the middle to small strata units of the Jurassic middle cycles in the studied area has been tracked and correlated in this paper.
沉积基准面旋回变化控制着陆相层序地层的形成与演化。
Changes in depositional base-level cycle control the development and evolution of sequence stratigraphy.
重点进行了高分辨率层序界面的识别和对比、高分辨率层序地层划分和内部单元构成分析、基准面旋回识别和对比。
The emphasis of this paper is to identify, contrast and divide the high-resolution sequence interface, analyze the constitution of its internal units, identify and contrast the base level cycle.
在层序地层体制中,储层的纵向发育受基准面升降变化旋回的控制,而平面展布受古地貌的制约。
In sequence stratigraphic system, vertical development of the reservoir is controlled by base level cycle changes, and spatial distribution is restricted by the palaeogeomorphology.
层序多显示相对的海平面以及广泛分布的不整合,沉积作用的过程,沉积物的来源,气候和构造活动等随地质时代变化的旋回性。
Sequences tend to show cyclicity of changes in relative sea level and widespread unconformities, processes of sedimentation and sources of sediments, climate and tectonic activity over time.
沉积基准面旋回变化控制着陆相层序地层的形成与演化。
Depositional base-level cycle controls the development and evolution of sequence stratigraphy.
前陆盆地地层的层序反映了前陆盆地构造演化史为一个多旋回的沉积构造演化史。
The stratigraphic sequences in foreland basins have recorded a long and complex history of polycyclic sedimentary tectonic evolution.
长期基准面旋回是该区建立高分辨率层序地层对比格架的基础和关键。
According to the long-term stratigraphic base-level circles, the high-resolution sequence (stratigraphic) correlation framework of the depression can be established.
以基准面旋回及沉积动力学分析为核心的高分辨率层序地层学对深化复杂断陷盆地开发区块精细沉积特征研究具有重要意义。
The high-resolution sequence composed of base-level cycles and deposition kinetics gave more information to identify fine sedimentary body for development of the complex rift basin.
由此力求建立适合于河流相沉积的高分辨率层序地层学层序划分方案、旋回结构及叠加样式,并将其进一步运用到河流相沉积体系的砂体时空展布的研究中。
The authors try to research the classification, sequence structure and stacking pattern of the high-resolution sequence stratigraphy about river facies and further use them to study sand distribution.
位于河口湾—浅海相中的最大海侵面将冰后期海侵沉积旋回分为其下的海侵层序和其上的海退层序。
The maximum flooding surface lying in estuarine - shallow Marine muddy unit demarcates the underlying transgressive sequence and overlying regressive sequence.
在识别出不同级次地层旋回的基础上,高分辨率层序地层学的旋回等时对比技术使建立精确的区域地层对比格架成为可能。
Base on the discerning of different levels base-level cycle, the chronostratigraphic correlation can provide guides to establish precise stratigraphic frame.
对每个层序的体系域进行了长周期、中周期和短周期基准面旋回的划分。
Long base level, middle base level and short base level are divided in the systems tract of all the sequences.
利用小波三维时频分析方法划分的沉积旋回和物性变化规律可以进行层序界面追踪,并进一步确定储层范围。
Therefore, the deposition cycles and track sequence interfaces distinguished by 3d wavelet time frequency analysis method can be used to determine reservoir areas.
主要结合介形类化石带、砂组划分研究成果,通过对钻井资料的岩性—电性、旋回及旋回成因分析,划分四级层序及四级层序的体系域。
Combining the belts of Cypridea fossils and achievements of studying the sandstone groups, we identify the four-rank sequence and its system tract through analysis lithology-electricity of logs.
上部为中薄层状富泥的含石膏质夹层的泥质泥晶灰岩、微晶白云岩组成的旋回性清楚的似蒸发潮坪层序。
The upper part is a set of evaporite quasi-tidal sequence with clear cycles which is made up of middle-thin-bedded, gypsum-bearing muddy limestone and dolomicrite.
将环潮坪型碳酸盐准层序扩展到所有米级旋回,不局限于海泛面所限定的地层单元;
Based on specific character of carbonate deposition, peritidal carbonates is extended to all meter-scale cycles, independent from flood surface;
将环潮坪型碳酸盐准层序扩展到所有米级旋回,不局限于海泛面所限定的地层单元;
Based on specific character of carbonate deposition, peritidal carbonates is extended to all meter-scale cycles, independent from flood surface;
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