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大港滩海张东开发区沙河街组层序地层格架与储层预测

Sequence stratigraphy framework and reservoir prediction of Shahejie Formation in Zhangdong development area

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【作者】 王友净林承焰董春梅王贺林张宪国

【Author】 Lin Chengyan,Dong Chunmei et al.Wang Youjing,College of Geo-resources and Information,China University of Petroleum(East China),Dongying City,Shandong Province,257061,China

【机构】 中国石油大学(华东)地球资源与信息学院中国石油大港油田公司滩海勘探开发公司中国石油大学(华东)地球资源与信息学院 山东东营257061山东东营257061天津大港300280

【摘要】 通过综合分析地震、测井、录井和岩心等资料,确定了大港滩海张东开发区沙河街组层序地层格架。在层序地层格架约束和储层特征重构的基础上,选择随机模拟地震反演方法进行储层预测;结合储层砂体展布和试油试采资料,进行了油藏特征分析。综合研究认为,在张东开发区古近系可识别出3个三级层序,其中沙三段相当于层序Ⅰ,沙二段相当于层序Ⅱ的低水位体系域,沙一段下亚段相当于层序Ⅱ的湖侵体系域。沙河街组油藏具有受构造和岩性双重因素控制的复式油藏特征,其主力储层为沙三段的底部和沙二段。

【Abstract】 Analyzing the data of seismic,logging,mud-logging and core,the sequence stratigraphy framework of Zhangdong development area is determined.Constrained by sequence stratigraphy framework and based on reservoir characteristic rebuilding,the stochastic simulation seismic inversion method is chosen to predict reservoirs.Combining the distribution of sandbody,oil test and production test data,the reservoir characteristics are analyzed.Comprehensive research shows,three 3rd-order sequences are identified in Paleogene in Zhangdong development area.The first sequence is the Sha3 Member,and the Sha2 Member and the lower Sha1 Member correspond the low system tract and the transgressive system tract of the second sequence respectively.The reservoirs mostly locate on the bottom of the Sha3 Member and the Sha2 Member,whose characteristics are multiple con-trolled by tectonics and lithology.

【关键词】 滩海地震层序地层油藏特征
【Key words】 offshoreseismicsequence stratigraphyreservoir characteristics
  • 【文献出处】 油气地质与采收率 ,Petroleum Geology and Recovery Efficiency , 编辑部邮箱 ,2007年04期
  • 【分类号】P618.13
  • 【被引频次】7
  • 【下载频次】226
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