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压汞-恒速压汞在致密储层微观孔喉结构定量表征中的应用——以鄂尔多斯盆地华池-合水地区长7储层为例

喻建 马捷 路俊刚 曹琰 冯胜斌 李卫成

喻建, 马捷, 路俊刚, 曹琰, 冯胜斌, 李卫成. 压汞-恒速压汞在致密储层微观孔喉结构定量表征中的应用——以鄂尔多斯盆地华池-合水地区长7储层为例[J]. 石油实验地质, 2015, 37(6): 789-795. doi: 10.11781/sysydz201506789
引用本文: 喻建, 马捷, 路俊刚, 曹琰, 冯胜斌, 李卫成. 压汞-恒速压汞在致密储层微观孔喉结构定量表征中的应用——以鄂尔多斯盆地华池-合水地区长7储层为例[J]. 石油实验地质, 2015, 37(6): 789-795. doi: 10.11781/sysydz201506789
Yu Jian, Ma Jie, Lu Jungang, Cao Yan, Feng Shengbin, Li Weicheng. Application of mercury injection and rate-controlled mercury penetration in quantitative characterization of microscopic pore structure of tight reservoirs: A case study of the Chang7 reservoir in Huachi-Heshui area, the Ordos Basin[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2015, 37(6): 789-795. doi: 10.11781/sysydz201506789
Citation: Yu Jian, Ma Jie, Lu Jungang, Cao Yan, Feng Shengbin, Li Weicheng. Application of mercury injection and rate-controlled mercury penetration in quantitative characterization of microscopic pore structure of tight reservoirs: A case study of the Chang7 reservoir in Huachi-Heshui area, the Ordos Basin[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2015, 37(6): 789-795. doi: 10.11781/sysydz201506789

压汞-恒速压汞在致密储层微观孔喉结构定量表征中的应用——以鄂尔多斯盆地华池-合水地区长7储层为例

doi: 10.11781/sysydz201506789
基金项目: 国家重点基础研究发展计划(973计划)项目"中国陆相致密油(页岩油)形成机理与富集规律基础研究"(2014CB239005)和国家自然科学基金(41502146,41572137)联合资助。
详细信息
    作者简介:

    喻建(1965—),男,博士,高级工程师,从事盆地油气地质综合研究。E-mail:534203161@qq.com

    通讯作者:

    路俊刚(1980—),男,博士,讲师,从事油气地质与地球化学研究及教学。E-mail:lujungang21@aliyun.com

  • 中图分类号: TE122.2

Application of mercury injection and rate-controlled mercury penetration in quantitative characterization of microscopic pore structure of tight reservoirs: A case study of the Chang7 reservoir in Huachi-Heshui area, the Ordos Basin

  • 摘要: 鄂尔多斯盆地华池-合水地区是典型的致密油气富集区,储层物性差,微观孔喉结构特征复杂,孔喉结构对油气的富集和后期开采有较大影响。利用压汞-恒速压汞法探讨华池-合水地区延长组长7致密砂岩储层纳米孔喉定量表征及孔喉体系中流体渗流特征。研究表明:研究区储层排替压力较高,平均喉道半径较小,孔喉体积比及孔喉比较大,渗流能力差;不同物性岩样的孔隙半径分布范围一致,喉道分布差异明显,进汞饱和度随孔隙个数的增多而增大;SHgSHgPc曲线能较好地反映进汞速率及孔喉结构,致密储层中纳米级孔喉发育,且对储层储集及渗流能力有较大的贡献;流体在注入过程中,首先进入孔隙主控区,紧接着进入孔喉共控区,最后进入喉道主控区;恒速压汞在研究致密储层孔喉结构时不能反映纳米孔喉特征,评价物性较好的储层效果较好。

     

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出版历程
  • 收稿日期:  2014-08-27
  • 修回日期:  2015-09-10
  • 刊出日期:  2015-11-28

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