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- 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。
- Depositional systems are placed in a sequence stratigraphic framework and are described as lowstand, transgressive, or highstand system tracts. 将沉积系统放在层序地层框架内并对低水位期、海侵和高水位期进行描述。
- Continuous existence of accommodation space led to well-developed lacustrine transgressive system tracts(LTST). 可容空间持续存在,导致湖侵体系域十分发育。
- Isotope of carbon and oxygen in the ingression of water system tracts in Qianjiang Formation of Qianjiang depressio... 硼含量亦有类似的变化规律 ,低位域和高位域末期的硼含量一般较高 ,而在水进体系域中则变小。
- For a long time, the above division of systems tracts has been a classical model in the study of continental deposition. 长期以来,从国外传入的三个水位域沉积体系划分成为研究陆相沉积的经典模式。
- On the basis of the systems tracts, the stratigraphical correlation and stratum prediction has got a good effect in the application of the Wushi area. 以上述资料为基础,用等时、旋回观点进行层位预测和地层对比;在乌什地区油气勘探中获得了良好效果.
- The transgressive system tracts of Fengfeng and late Majiagou stages are two major oil-generation stages. 另一方面,奥陶系层序格架又构成了一个多层次、多类型油气组合单元。
- Participants learn how to recognize and correlate sequence boundaries, flooding surfaces, condensed sections, and system tracts. 学习人员学习如何识别和对比层序边界、水淹表面、致密剖面和体系区块。
- The individual systems tracts of each sequence are discussed in detail,and sequence stratigraphic framework of Devonian to Early Carboniferous is constructed for the study area. 详细分析了每个层序各体系域的特征并建立了层序地层格架。
- The Upper Triassic in the western Sichuan foreland basin can be divided into 4 third order sequences and 12 system tracts. 摘要应用层序地层学方法将川西前陆盆地上三叠统划分为4个三级层序和12个体系域。
- This formation consists of 3 system tracts, namely the lowstand system tract, transgressive system tract, and highstand system tract. 山旺组地层可以划分为一个三级层序,这个层序内部又可以划分出低位体系域、湖侵体系域和高位体系域等三个体系域。
- Using logging data, core, and seismic data, we have re-classified the systems tract with the isochronous framework. 3、运用钻测井、岩芯和地震等资料,在等时地层格架中进行了体系域的划分。
- The characteristics of sedimentary cycles and evolution of systems tracts, as well as the implications for source rock and reservoir development, are discussed. 根据延长组旋回特征和体系域的发育情况,分析了沉积旋回的边界及演化特征和层序对延长组生储盖层配置关系的控制作用。
- It follows that diagenesis may be of great importance to the recognition of sequence boundaries and types in the dolostone strata and to the division of systems tracts. 成岩作用研究在白云岩地层中对层序边界及其类型的识别、体系域的划分具有重要的意义。
- MSC3hightstand systems tract: mainly deposits progradation fan delta frontal subfacies. MSC3高位域沉积时期:主要发育进积型的扇三角洲前缘亚相沉积。
- Better reservoirs are developed in Lowstand systems tracts while better source beds and cap rocks are developed in Transgressive and Highstand systems tracts. 低位体系域发育分选良好的储层,而水进体系域和高位体系域沉积则往往是良好的生油层和盖层。
- Each systems tract has its own unique petroleum system attributes, including reservoir, seal, trap, and source potential. 每种体系区块都有其独特的石油体系特征,包括油藏、该曾、圈闭和生油潜力。
- The results show that maceral composition, organic geochemistry, hydrocarbon potential and organic facies of C-P hydrocarbon source rock vary in different system tracts. 结果表明:C-P不同体系域的有机显微组分性质、有机地球化学特征、生烃潜力和有机相存在明显差异。
- 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。
- The sequences may be divided into lowstand systems tract,transgressive systems tract,highstand systems tract and regressive systems tract. 将层序划分为低水位体系域、水进体系域、高水位体系域和水退体系域。