| 渝东武隆地区中上寒武统储层成岩作用及孔隙演化 |
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| 引用本文： | 李鹏飞,李建明,艾博.渝东武隆地区中上寒武统储层成岩作用及孔隙演化[J].四川地质学报,2011,31(1):16-19. |
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| 作者姓名： | 李鹏飞 李建明 艾博 |
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| 作者单位： | 1. 大港油田公司第四采油厂地质研究所,天津,300280
2. 长江大学地球科学学院,湖北,荆州,434023 |
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| 摘 要： | 渝东武隆地区中上寒武统主要为一套海相浅水碳酸盐岩沉积,以各类型白云岩为主.依据成岩作用对孔缝的影响,可将成岩作用分为建设性成岩作用和破坏性成岩作用两种类型.建设性成岩作用主要包括白云石化作用、溶蚀作用和破裂作用等,对孔隙的形成有利.破坏性成岩作用主要有胶结作用、压实作用、压溶作用、充填作用等.破坏性成岩作用破坏原有的储层物性,使孔隙度和渗透率降低,储集性能变差.
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| 关 键 词： | 中上寒武统 成岩作用 孔隙度 渝东武隆地区 |
Evolution of Diagenesis and Porosity of the Middle and Upper Cambrian Reservoir in Wulong,East Chongqing |
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| LI Peng-fei,LI Jian-ming,AI Bo.Evolution of Diagenesis and Porosity of the Middle and Upper Cambrian Reservoir in Wulong,East Chongqing[J].Acta Geologica Sichuan,2011,31(1):16-19. |
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| Authors: | LI Peng-fei LI Jian-ming AI Bo |
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| Institution: | LI Peng-fei1 LI Jian-ming2 AI Bo2(1-The 4th oil Recovery Plant Research Institute of Geology,Dagang Oil Field,Tianjin 300280,2-College of Earth Science,Changjiang University,Jingzhou,Hubei 434023) |
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| Abstract: | The Middle and Upper Cambrian in Wulong,east Chongqing consists mainly of dolomitite.According to the influence of diagenesis on porosity,diagenesis may be divided into constructive and destructive.The constructive diagenesis includes dolomitization,dissolution and fracture and so on which are useful to pore formation.The destructive diagenesis includes cementation,compaction,pressure solution,infilling and so on which reduce porosity and permeability. |
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| Keywords: | Middle and Upper Cambrian diagenesis porosity Wulong east Chongqing |
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