| 陆家堡凹陷上侏罗统层序地层研究 |
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| 引用本文： | 肖乾华,刘晓峰,孙素青. 陆家堡凹陷上侏罗统层序地层研究[J]. 石油地质与工程, 1999, 0(1) |
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| 作者姓名： | 肖乾华 刘晓峰 孙素青 |
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| 作者单位： | 辽河石油勘探开发研究院!124010辽宁盘锦(肖乾华)，辽河石油勘探开发研究院(刘晓峰，孙素青) |
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| 摘 要： | 陆家堡凹陷上休罗统是裂谷盆地断陷期的产物，相当于P.R.Vail提出的一个二级层序，可划分为三个层序边界（SBI、SBZtSB3）、两个三级层序（层序八层库四、研究认为：构造沉降和古地理背景是该区层序地层的主要控制因素，制约了各体系域发育规模和沉积组合特点．层序A可识别出低水位体系域、湖泊扩张体系域和湖泊收缩体系域，发育了该区主要的生储盖组合．层序B只由湖泊扩张体系域、湖泊收缩体系域组成，其湖泊扩张体系域是区域盖层和次要的源岩，湖泊收缩体系城虽然发育了良好的储层，但因缺乏区域盖层，只是次要目的层．
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| 关 键 词： | 陆家堡凹陷 晚侏罗世 层序地层 （体系域） 沉积组合 |
Srata Sequence of Upper Jurassic in Lujiabao Sag |
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| Xiao Qianhua ,Liu Xaofeng et al.. Srata Sequence of Upper Jurassic in Lujiabao Sag[J]. Petroleum Geology and Engineering, 1999, 0(1) |
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| Authors: | Xiao Qianhua Liu Xaofeng et al. |
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| Affiliation: | Xiao Qianhua ;Liu Xaofeng et al. |
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| Abstract: | The Upper Jurassic in Lujiabao sag, the product inthe fault-subsiding period of rift basinporresponds to thesecond -grade sequence put forward by P.R.VRi1 and canbe divided into three sequence boundaries and twothird-grade sequences(A and B).Structure subsidence andPalaeogeographic background were the main controllingfactors of strata sequence in this region and constrainedthe development scale of each system traCt and thecharacteristics of depositional combination. Gequence AconsistS of low water level, lake extention and 1akecontraction system tracts where developed the maincombination of source rockpeservoir rock and cap rock inthis area.Sequence B only consistS of lake extention andlake contraction system tractS,the former is the regionalcap rock and secondary souree roch, and the later issecondary target for lacking regional cap rock eventhough there are high quality reservoir rock. |
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| Keywords: | Lujiabao sag Late Jurassic Strata sequence (System tract) Depositional combination |
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