郑奎,卜广平,张换果,杨晋玉,李海菲,路向伟,李钰,于景维
ZHENG Kui,BU Guangping,ZHANG Huanguo,YANG Jinyu,LI Haifei,LU Xiangwei,LI Yu,YU Jingwei

• 1:长庆油田公司第六采油厂
• 2:中国石油大学(北京)克拉玛依校区

摘要(Abstract)：

为提高鄂尔多斯盆地胡154井区油藏剩余油开发效果,从粒度、渗透率、夹层、分层系数等多个参数入手,对长4+5段储层的宏观及微观非均质性进行了探讨。结果表明:受沉积作用影响,长4+5段储层层内非均质性和层间非均质性程度较强,纵向上渗透率值分布差异较大;砂体几何形态以及渗透率在平面上的差异较大,反映长4+5段储层平面非均质性程度很强,其中长4+5_2小层储层宏观非均质性最强;长4+5段储层孔隙结构较为复杂,微观非均质性很强。储层非均质性对于剩余油开发有较大影响,可采取降压增注、井网加密和深水调剖等措施解决此类问题。
In order to improve development effects of the remained oil in Block Hu-154 of Ordos Basin, from the viewpoints of the particle size, permeability, interbed, stratifying coefficient and so on, the macro and micro heterogeneities in Member Chang 4+5 reservoirs were discussed. The results show that influenced by the sedimentation, Member Chang 4+5 reservoirs have strong intra-layer and in-layer heterogeneities, and the permeability has a great vertical disparity, so do the geometric shape of the sandbody and the permeability in plane, which reflect the planar heterogeneity in Member Chang 4+5 reservoirs is rather strong, and Chang 4+5_2 Sublayer 's heterogeneity is the strongest; the pore structures in Member Chang 4+5 reservoirs are rather complex, thus the micro heterogeneity is also very strong. The reservoir heterogeneity has a great impact on the development of the remained oil, so the countermeasures such as depressurization and augmented injection, well pattern infilling and deep-water profile control can be taken solve these problems.

关键词(KeyWords)： 储层非均质性;长4+5段;胡154井区;鄂尔多斯盆地;油气勘探
reservoir heterogeneity;Member Chang 4+5;Block Hu-154;Ordos Basin;oil and gas exploration

Abstract:

Keywords:

基金项目(Foundation): 国家科技重大专项“大型油气田及煤层气开发”(2011ZX05001-005-01)

作者(Author): 郑奎,卜广平,张换果,杨晋玉,李海菲,路向伟,李钰,于景维
ZHENG Kui,BU Guangping,ZHANG Huanguo,YANG Jinyu,LI Haifei,LU Xiangwei,LI Yu,YU Jingwei

DOI: 10.19597/j.issn.1000-3754.201908044

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