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大牛地气田石英次生加大特征及其对储层物性的影响

曲希玉 邱隆伟 宋璠 张满利 刘冰

曲希玉, 邱隆伟, 宋璠, 张满利, 刘冰. 大牛地气田石英次生加大特征及其对储层物性的影响[J]. 石油实验地质, 2014, 36(5): 567-573. doi: 10.11781/sysydz201405567
引用本文: 曲希玉, 邱隆伟, 宋璠, 张满利, 刘冰. 大牛地气田石英次生加大特征及其对储层物性的影响[J]. 石油实验地质, 2014, 36(5): 567-573. doi: 10.11781/sysydz201405567
Qu Xiyu, Qiu Longwei, Song Fan, Zhang Manli, Liu Bing. Characteristics and its effect on reservoir physical property of quartz overgrowth at Daniudi Gas Field[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2014, 36(5): 567-573. doi: 10.11781/sysydz201405567
Citation: Qu Xiyu, Qiu Longwei, Song Fan, Zhang Manli, Liu Bing. Characteristics and its effect on reservoir physical property of quartz overgrowth at Daniudi Gas Field[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2014, 36(5): 567-573. doi: 10.11781/sysydz201405567

大牛地气田石英次生加大特征及其对储层物性的影响

doi: 10.11781/sysydz201405567
基金项目: 国家科技重大专项(2011ZX05009-002)、国家自然基金联合基金重点支持项目(U1262203)、中央高校基本科研业务费专项资金 (12CX04004A)联合资助。
详细信息
    作者简介:

    曲希玉(1977-),男,博士,副教授,从事流体—岩石相互作用、储层及沉积研究。E-mail:quxiyu@upc.edu.cn。

  • 中图分类号: TE122.2+3

Characteristics and its effect on reservoir physical property of quartz overgrowth at Daniudi Gas Field

  • 摘要: 以大牛地气田太原组、山西组和下石盒子组致密砂岩储层为研究对象,依据石英次生加大的点状式、环边式和多期式形貌,结合流体包裹体均一温度,将石英次生加大分为3期,其中第Ⅱ期在本区发育数量最多,含有一定量的有机包裹体,第Ⅰ期和第Ⅲ期见石英溶解现象。随石英次生加大期次的增加,加大边的宽度逐渐增大,对应的储层物性逐渐变差,但第Ⅲ期对应的孔隙度较前两期明显偏高。当大牛地气田的硅质胶结物含量大于3%时,将以孔隙充填为主,在第Ⅲ期石英次生加大之后,砂岩储层已完全致密化。在整体致密的背景下,碱性溶解作用形成的石英溶解型孔隙,为大牛地气田提供了大量的储集空间,是太原组二段次生孔隙的主要成因。

     

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出版历程
  • 收稿日期:  2013-08-31
  • 修回日期:  2014-07-08
  • 刊出日期:  2014-09-28

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