Quantitative criteria for identifying main flow channels in complex porous media | |
Li XZ; Lu DT; Luo RL; Sun YP; Shen WJ (沈伟军); Hu Y; Liu XH; Qi YD; Guan CX; Guo H | |
通讯作者 | Sun Yuping(sunyuping01@petrochina.com.cn) |
发表期刊 | Petroleum Exploration and Development |
2019-10 | |
卷号 | 46期号:5页码:998-1005 |
ISSN | 1000-0747 |
摘要 | To identify the type of main flow channels of complex porous media in oil and gas reservoirs, the “main flow channel index” is defined as the ratio of comprehensive permeability obtained from well test to matrix permeability obtained from core analysis or well logging. Meanwhile, a mathematical model is established based on equivalent flow assumption, the classification method for main flow channels is put forward, and quantitative characterization of main flow channels is realized. The method has been verified by analysis of typical gas reservoirs. The study results show that the “main flow channel index” can quantitatively classify types of flow channels. If the index is less than 3, the matrix pore is the main flow channel; if the index is between 3 and 20, the fracture is the main flow channel and the matrix pore acts as the supplement one; if the index is more than 20, the fracture is the only seepage channel. The dynamic analysis of typical gas reservoirs shows that the “main flow channel index” can be used to identify the type of flow channel in complex porous media, guiding the classified development of gas reservoirs, and avoiding development risk. |
关键词 | porous media matrix pore fracture flow channels main flow channel index quantitative identification criteria |
DOI | 10.1016/S1876-3804(19)60256-9 |
收录类别 | SCI ; EI |
语种 | 英语 |
WOS记录号 | WOS:000490742600013 |
关键词[WOS] | GAS-FIELDS ; PERMEABILITY ; DIFFERENCE ; TRANSPORT ; RESERVOIR |
WOS研究方向 | Energy & Fuels ; Engineering ; Geology |
WOS类目 | Energy & Fuels ; Engineering, Petroleum ; Geosciences, Multidisciplinary |
论文分区 | 二类/Q1 |
力学所作者排名 | 3 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://dspace.imech.ac.cn/handle/311007/79775 |
专题 | 流固耦合系统力学重点实验室 |
作者单位 | 1.PetroChina Research Institute of Petroleum Exploration & Development, Langfang 065007, China 2.Department of Modern Mechanics, University of Science and Technology of China, Hefei 230026, China 3.Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China |
推荐引用方式 GB/T 7714 | Li XZ,Lu DT,Luo RL,et al. Quantitative criteria for identifying main flow channels in complex porous media[J]. Petroleum Exploration and Development,2019,46,5,:998-1005. |
APA | Li XZ.,Lu DT.,Luo RL.,Sun YP.,Shen WJ .,...&Guo H.(2019).Quantitative criteria for identifying main flow channels in complex porous media.Petroleum Exploration and Development,46(5),998-1005. |
MLA | Li XZ,et al."Quantitative criteria for identifying main flow channels in complex porous media".Petroleum Exploration and Development 46.5(2019):998-1005. |
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