新疆石油地质 ›› 2009, Vol. 30 ›› Issue (4): 533-536.

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粘土矿物与油气

赵杏媛   

  1. 中国石油 勘探开发研究院,北京 100083
  • 收稿日期:2009-03-19 出版日期:2009-08-01 发布日期:2020-08-25
  • 作者简介:赵杏媛(1936-),女,河北安平人,教授,高级工程师,粘土矿物, (Tel)010-62398146.

The Impact of Clay Minerals on Oil-Gas Reservoir

ZHAO Xing-yuan   

  1. Research Institute of Petroleum Exploration and Development, PetroChina, Beijing 100083, China
  • Received:2009-03-19 Online:2009-08-01 Published:2020-08-25

摘要: 粘土矿物分布的广泛性和特有的晶体结构、物理化学特性,使它与石油地质和钻采工程中诸多方面有着密切的关系。不同类型的粘土矿物与砂岩孔隙度、渗透率有不同的相关关系;同一种粘土矿物形态和产状的差异与孔隙度、渗透率相关性也有差异。粘土矿物是最重要的油气层损害的潜在因素,不同类型的粘土矿物引起的油气层损害程度有明显的区别,根据粘土矿物分析研究成果采取相应的预防油气层损害的有利措施,才能使油气稳产、高产。

关键词: 粘土矿物, 油气, 储集层物性, 油气层损害

Abstract: Clay minerals are closed to petroleum geology and drilling-producing engineering owing to their distribution universality, unique crystal structure and physicochemical property. There are different correlations between different clay minerals and sand porosity and permeability; and there exist differentiations in correlativity or correlation coefficient between the same clay mineral and sand porosity and permeability due to its difference in shape and occurrence. Such a most important and potential factor for causing oil-gas reservoir damages appears the fact that different clay minerals could cause different damages of oil-gas reservoir. It is concluded that taking corresponding and advantageous measures for preventing oil-gas reservoir damages based on available studied results of clay minerals can gain stable and high yields of oil-gas reservoirs or fields.

Key words: clay minerals, hydrocarbon, petrophysical property, oil-gas reservoir damage

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