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致密油储层可动流体饱和度计算方法——以合水地区长7致密油储层为例

喻建 杨孝 李斌 刘小静 田建锋

喻建, 杨孝, 李斌, 刘小静, 田建锋. 致密油储层可动流体饱和度计算方法——以合水地区长7致密油储层为例[J]. 石油实验地质, 2014, 36(6): 767-772. doi: 10.11781/sysydz201406767
引用本文: 喻建, 杨孝, 李斌, 刘小静, 田建锋. 致密油储层可动流体饱和度计算方法——以合水地区长7致密油储层为例[J]. 石油实验地质, 2014, 36(6): 767-772. doi: 10.11781/sysydz201406767
Yu Jian, Yang Xiao, Li Bin, Liu Xiaojing, Tian Jianfeng. A method of determining movable fluid saturation of tight oil reservoirs: A case study of tight oil reservoirs in seventh member of Yanchang Formation in Heshui area[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2014, 36(6): 767-772. doi: 10.11781/sysydz201406767
Citation: Yu Jian, Yang Xiao, Li Bin, Liu Xiaojing, Tian Jianfeng. A method of determining movable fluid saturation of tight oil reservoirs: A case study of tight oil reservoirs in seventh member of Yanchang Formation in Heshui area[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2014, 36(6): 767-772. doi: 10.11781/sysydz201406767

致密油储层可动流体饱和度计算方法——以合水地区长7致密油储层为例

doi: 10.11781/sysydz201406767
基金项目: 国家自然科学基金项目(41202105) 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工作。E-mail:yj_cq@petrochina.com.cn。

  • 中图分类号: TE122.2+21

A method of determining movable fluid saturation of tight oil reservoirs: A case study of tight oil reservoirs in seventh member of Yanchang Formation in Heshui area

  • 摘要: 致密油储层可动流体饱和度是评价致密油潜力的关键因素之一。核磁共振技术可以获得准确的可动流体饱和度,但因其成本较高、周期较长,应用的普遍性受到限制。核磁共振、恒速压汞和高压压汞的实验原理表明,T2谱、恒速压汞曲线和高压压汞曲线均是岩石孔隙结构的反映,他们之间具有内在的一致性。相同样品的核磁共振和恒速压汞测试结果表明,致密油储层可动流体饱和度与恒速压汞总进汞饱和度相关性极强,可通过恒速压汞总进汞饱和度参数计算致密油储层的可动流体饱和度,而高压压汞7.0 MPa时的进汞饱和度与恒速压汞总进汞饱和度相同,从而提出了利用高压压汞资料计算致密油可动流体饱和度的方法。计算结果表明,合水地区致密油储层可动流体饱和度较高,以Ⅲ类和Ⅳ类储层为主,其次为Ⅱ类储层。

     

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出版历程
  • 收稿日期:  2013-06-01
  • 修回日期:  2014-10-09
  • 刊出日期:  2014-11-28

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