| 鄂尔多斯盆地郑庄油区长6储层孔隙结构特征及影响因素 |
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| 引用本文： | 陈魏巍,王华,符迪,孙佩. 鄂尔多斯盆地郑庄油区长6储层孔隙结构特征及影响因素[J]. 四川地质学报, 2011, 31(2): 176-179,184. DOI: 10.3969/j.issn.1006-0995.2011.02.0013 |
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| 作者姓名： | 陈魏巍 王华 符迪 孙佩 |
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| 作者单位： | 西北大学地质学系,大陆动力学国家重点实验室,西安710069 |
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| 摘 要： | 采用铸体薄片、扫描电镜,高压压汞等多种技术手段,对鄂尔多斯盆地郑庄油区长6储层的孔隙结构进行了分析和研究.该储层具有低孔、特低孔-特低渗的特征,以剩余原生粒间孔和次生孔隙为主,长石、岩屑及浊沸石胶结物的溶解是形成次生孔隙的主要原因.中孔和小孔是油气的主要储集空间,细喉、微细喉、微喉是长6的基本渗流通道.铸体薄片、扫描电...
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| 关 键 词： | 长6储层 孔隙结构 铸体薄片 鄂尔多斯盆地 |
Pore Structure and Influence Factors of the Chang 6 Reservoir in the Zhengzhuang Oilfield, Ordos Basin |
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| CHEN Wei-wei WANG Hua FU Di SUN Pei,WANG Hua,FU Di,SUN Pei. Pore Structure and Influence Factors of the Chang 6 Reservoir in the Zhengzhuang Oilfield, Ordos Basin[J]. Acta Geologica Sichuan, 2011, 31(2): 176-179,184. DOI: 10.3969/j.issn.1006-0995.2011.02.0013 |
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| Authors: | CHEN Wei-wei WANG Hua FU Di SUN Pei WANG Hua FU Di SUN Pei |
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| Affiliation: | (State Key Laboratory of Continental Dynamics,Department of Geology,Northwest University,Xi＇an 710069) |
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| Abstract: | The pore structure of the Chang 6 reservoir in the Zhengzhuang Oilfield,Ordos basin is studied by means of SEM and casting thin sections.The reservoir is characterized by low porosity consisting mainly of primary remnant intergranular pores and secondary solution pores,and very low permeability.Medium and small pores are main reservoir space.Fine throat,tiny throat and mini throat are basic percolating channel.The pore structure is controlled by sedimentation and diagenesis,specially,cementation and solution. |
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| Keywords: | Chang 6 reservoir pore structure casting thin section Ordos basin |
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