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四川盆地涪陵地区五峰-龙马溪组解吸气特征及影响因素分析

李凯 孟志勇 吉婧 郑晓薇 张谦 邹威

李凯, 孟志勇, 吉婧, 郑晓薇, 张谦, 邹威. 四川盆地涪陵地区五峰-龙马溪组解吸气特征及影响因素分析[J]. 石油实验地质, 2018, 40(1): 90-96. doi: 10.11781/sysydz201801090
引用本文: 李凯, 孟志勇, 吉婧, 郑晓薇, 张谦, 邹威. 四川盆地涪陵地区五峰-龙马溪组解吸气特征及影响因素分析[J]. 石油实验地质, 2018, 40(1): 90-96. doi: 10.11781/sysydz201801090
LI Kai, MENG Zhiyong, JI Jing, ZHENG Xiaowei, ZHANG Qian, ZOU Wei. Characteristics and influencing factors of desorption gas in Wufeng-Longmaxi formations in Fuling area, Sichuan Basin[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2018, 40(1): 90-96. doi: 10.11781/sysydz201801090
Citation: LI Kai, MENG Zhiyong, JI Jing, ZHENG Xiaowei, ZHANG Qian, ZOU Wei. Characteristics and influencing factors of desorption gas in Wufeng-Longmaxi formations in Fuling area, Sichuan Basin[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2018, 40(1): 90-96. doi: 10.11781/sysydz201801090

四川盆地涪陵地区五峰-龙马溪组解吸气特征及影响因素分析

doi: 10.11781/sysydz201801090
基金项目: 国家科技重大专项(2016ZX05060)和中国石化科技项目(P17014-2)资助。
详细信息
    作者简介:

    李凯(1987-),男,硕士,工程师,从事油气勘探开发研究。E-mail:lklk0104@163.com。

  • 中图分类号: TE132.2

Characteristics and influencing factors of desorption gas in Wufeng-Longmaxi formations in Fuling area, Sichuan Basin

  • 摘要: 页岩气主要以吸附气和游离气的方式赋存在页岩中,通过对页岩气的解吸气特征及影响因素分析,可以更好地指导页岩气的勘探开发。通过对四川盆地涪陵地区五峰-龙马溪组页岩气的现场解吸实验,分析了解吸速率变化、解吸气量大小变化及碳同位素的差异性。解吸气量是指将岩心装入解吸仪之后一定时间范围内所解吸出的天然气数量,主体反映岩石中的吸附气数量及部分游离气量。通过与页岩自身品质的比较分析,解吸气量与总有机碳含量呈正相关的关系,与脆性矿物含量呈一定的正相关性;与黏土矿物中的伊蒙混层含量具有一定的正相关性,与伊利石的含量相关性不大,与绿泥石含量具备一定的负相关性。解吸气量与微孔的孔容具备一定正相关性,与介孔的孔容具备较好的正相关性,与大孔的孔容不具备相关性。

     

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出版历程
  • 收稿日期:  2017-10-13
  • 修回日期:  2017-12-10
  • 刊出日期:  2018-01-28

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