考虑渗透率时变的深部调驱技术数值模拟研究

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英文篇名：Research on Numerical Simulation of In-Depth Profile Control Technology Considering Time-Varying Permeability 作者：李彦来 ; 孙召勃 ; 马奎前 ; 姜瑞忠 ; 花靖 英文作者：LI Yanlai;SUN Zhaobo;MA Kuiqian;JIANG Ruizhong;HUA Jing;Tianjin Branch,CNOOC China Limited;China University of Petroleum(East China); 关键词：深部调驱 ; 渗透率时变 ; 油藏数值模拟 英文关键词：in-depth profile control;;permeability variation;;reservoir numerical simulation 中文刊名：重庆科技学院学报(自然科学版) 英文刊名：Journal of Chongqing University of Science and Technology(Natural Sciences Edition) 机构：中海石油(中国)有限公司天津分公司;中国石油大学(华东); 出版日期：2019-08-15 出版单位：重庆科技学院学报(自然科学版) 年：2019 期：04 基金：国家科技重大专项“渤海油田加密调整及提高采收率油藏工程技术示范”(2016ZX05058001);; 中海石油(中国)有限公司科研项目“渤海双高油田挖潜关键技术研究”(YXKY-2018-TJ-04) 语种：中文; 页：77-82 页数：6 CN：50-1174/N ISSN：1673-1980 分类号：TE357

摘要

老油田高含水期取心资料显示,储层渗透率会随着注水开发的深入而发生连续变化,现有油藏数值模拟软件无法将渗透率时变这一因素考虑进去。随着储层非均质性的增强,针对近井地带的调剖堵水作业已无法起到稳油控水的作用,深部调驱技术作为一种新技术得到广泛应用。堵水调剖剂种类多样,机理复杂,现有常规数值模拟软件无法对其进行有效描述。综合这两种情况,建立了考虑渗透率时变因素的深部调驱数学模型,编制了数值模拟一体化软件。应用该软件建立概念模型,进行深部调驱机理分析及参数敏感性分析,并结合S油田进行深部调驱优化设计。
        According to the core analysis of the high water-cut oil field,the reservoir permeability has been changing along the long-term water flooding. However,the current reservoir simulation software does not take the above phenomena into consideration. As the reservoir heterogeneity gets worse and worse,the conventional technology of profile control and water shutoff cannot meet the production demand of the oilfield. As a result,an in-depth profile control technology has been adopted in oilfield. There are so many kinds of water shutoff agent and the mechanism is complex,which cannot be described effectively with conventional reservoir simulation software. Considering these two phenomena,a numerical model of in-depth profile control is set up,considering time-varying permeability. Then new reservoir simulation software is complied. The conceptual model is established by using the software,and the mechanism analysis and parameter sensitivity analysis of deep profile control and flooding are carried out. Then the software is applied to one pilot site of S oilfield to conduct in-depth profile control optimal design.

引文

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