IMECH-IR  > 流固耦合系统力学重点实验室
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
Corresponding AuthorSun Yuping(sunyuping01@petrochina.com.cn)
Source PublicationPetroleum Exploration and Development
2019-10
Volume46Issue:5Pages:998-1005
ISSN1000-0747
Abstract

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.

Keywordporous media matrix pore fracture flow channels main flow channel index quantitative identification criteria
DOI10.1016/S1876-3804(19)60256-9
Indexed BySCI ; EI
Language英语
WOS IDWOS:000490742600013
WOS KeywordGAS-FIELDS ; PERMEABILITY ; DIFFERENCE ; TRANSPORT ; RESERVOIR
WOS Research AreaEnergy & Fuels ; Engineering ; Geology
WOS SubjectEnergy & Fuels ; Engineering, Petroleum ; Geosciences, Multidisciplinary
Classification二类/Q1
Ranking3
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/79775
Collection流固耦合系统力学重点实验室
Affiliation1.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
Recommended Citation
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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