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  2. 地质与地球物理研究所
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  4. 中国科学院页岩气与地质工程重点实验室
Effect of interlayer mixed zone and effective stress on permeability anisotropy of NGH turbidite reservoir

文献类型：期刊论文

作者Li, Ruirui2,3,4; Zhang, Luqing2,3,4; Han, Zhenhua2,4; Zhou, Jian5; Wang, Song2,4; Schuettrumpf, Holger1
刊名ENERGY
出版日期2023-12-01
卷号284页码:19
ISSN号0360-5442
关键词Permeability anisotropy Mixing effect Turbidite reservoir Natural gas hydrate Effective stress
DOI10.1016/j.energy.2023.129172
英文摘要Resulting from the bedding structure of turbidite reservoir, permeability anisotropy is an essential parameter for natural gas hydrate (NGH) exploitation. Fundamentally, the evolution of permeability anisotropy under increasing effective stress are investigated in this study. Taking the turbidite sediments in northern Cascadia as an example, a series of experimental tests and co-simulations of discrete element method (DEM) and computational fluid dynamics method (CFD) are conducted. For layered turbidite sediments, an interlayer mixed zone will be formed in the interface between fine-grained layer and coarse-grained layer after loading. Fine particles will migrate to the coarse layer, blocking the horizontal preponderance flow paths and further reduce the permeability anisotropy. Moreover, the development of interlayer mixed zone mainly occurs in initial compaction stage and slows down in higher stress level, for which the permeability anisotropy shows a staged reduction with increasing effective stress. Considering the effect of interlayer mixed zone, a predictive model of permeability anisotropy is proposed and verified by the experimental results, which has higher accuracy than traditional "layered cake" model. The finding of this research also confirms the mixing effect in deep sediments, which may affect the geological history records in target sedimentary sequence.
WOS关键词GAS HYDRATE ; NUMERICAL-ANALYSIS ; METHANE HYDRATE ; DEPRESSURIZATION ; SEDIMENTS ; MODEL
资助项目National Natural Science Foundation of China[41972287]
WOS研究方向Thermodynamics ; Energy & Fuels
语种英语
出版者PERGAMON-ELSEVIER SCIENCE LTD
WOS记录号WOS:001094739700001
资助机构National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
源URL[http://ir.iggcas.ac.cn/handle/132A11/110675]  
专题地质与地球物理研究所_中国科学院页岩气与地质工程重点实验室
通讯作者Zhang, Luqing
作者单位1.Rhein Westfal TH Aachen, Inst Hydraul Engn & Water Resources Management, D-52056 Aachen, Germany
2.Chinese Acad Sci, Key Lab Shale Gas & Geoengn, Inst Geol & Geophys, Beijing 100029, Peoples R China
3.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing 100049, Peoples R China
4.Chinese Acad Sci, Innovat Acad Earth Sci, Beijing 100029, Peoples R China
5.Beijing Univ Technol, Key Lab Urban Secur & Disaster Engn, Minist Educ, Beijing 100124, Peoples R China
推荐引用方式
GB/T 7714		 Li, Ruirui,Zhang, Luqing,Han, Zhenhua,et al. Effect of interlayer mixed zone and effective stress on permeability anisotropy of NGH turbidite reservoir[J]. ENERGY,2023,284:19.
APA Li, Ruirui,Zhang, Luqing,Han, Zhenhua,Zhou, Jian,Wang, Song,&Schuettrumpf, Holger.(2023).Effect of interlayer mixed zone and effective stress on permeability anisotropy of NGH turbidite reservoir.ENERGY,284,19.
MLA Li, Ruirui,et al."Effect of interlayer mixed zone and effective stress on permeability anisotropy of NGH turbidite reservoir".ENERGY 284(2023):19.

入库方式： OAI收割

来源：地质与地球物理研究所

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