IMECH-IR  > 流固耦合系统力学重点实验室
Study of the effects of hydraulic fractures on gas and water flow in shale gas reservoirs
Wan YJ; Chen ZY; Shen WJ (沈伟军); Kuang ZX; Liu XH; Guo W; Hu Y
Corresponding AuthorShen, Weijun(wjshen763@imech.ac.cn)
Source PublicationEnergy Sources, Part A: Recovery Utilization and Environmental Effects
2019-10
Pages1-12
ISSN1556-7036
AbstractHorizontal drilling and multi-stage hydraulic fracturing are the two key technologies for the successful development of shale gas reservoirs. However, there exist large uncertainties in optimizing hydraulic fracturing which affects water retention into shale matrix and gas productivity. In this work, a basic reservoir model with six-stage hydraulic-fracturing treatment was constructed to understand water retention and gas production in shale gas reservoirs. Gas diffusion, gas desorption, Darcy flow as well as non-Darcy flow were considered in this model. Then, a sensitivity study was performed to investigate the effects of hydraulic fractures on water retention and gas conductivity. The results indicate that only 34% of the fracturing water could be recovered back to the surface, and most of them remain in shale formations to interfere with gas production. The increase of fracture half-length, fracture width, fracture permeability, and fracture conductivity will reduce water retention while water retention in shale matrix will increase with the increasing of fracture spacing and fracture number. This work can provide a better understanding of the effects of hydraulic fractures on gas and water flow so as to optimize the hydraulic-fracturing treatment in shale gas reservoirs.
KeywordShale gas reservoir hydraulic fracture sensitivity analysis gas desorption water retention gas production
DOI10.1080/15567036.2019.1679916
Indexed BySCI ; EI
Language英语
WOS IDWOS:000490693700001
WOS KeywordADSORPTION ; PERFORMANCE ; MECHANISM
WOS Research AreaEnergy & Fuels ; Engineering ; Environmental Sciences & Ecology
WOS SubjectEnergy & Fuels ; Engineering, Chemical ; Environmental Sciences
Funding ProjectNational Natural Science Foundation of China[11802312] ; National Natural Science Foundation of China[U1762216] ; Open Fund of State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation (Southwest Petroleum University)[PLN201810]
Funding OrganizationNational Natural Science Foundation of China ; Open Fund of State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation (Southwest Petroleum University)
DepartmentLMFS海洋土力学(LHO)
ClassificationQ4
Ranking3
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/80460
Collection流固耦合系统力学重点实验室
Affiliation1.PetroChina Research Institute of Petroleum Exploration & Development, Beijing, China
2.Petroleum Engineering School, Southwest Petroleum University, Chengdu, China
3.Key Laboratory for Mechanics in Fluid Solid Coupling Systems, Institute of Mechanics, Chinese Academy of Sciences, Beijing, China
4.School of Engineering Science, University of Chinese Academy of Sciences, Beijing, China
5.School of Civil and Transportation Engineering, Beijing University of Civil Engineering and Architecture, Beijing, China
Recommended Citation
GB/T 7714
Wan YJ,Chen ZY,Shen WJ ,et al. Study of the effects of hydraulic fractures on gas and water flow in shale gas reservoirs[J]. Energy Sources, Part A: Recovery Utilization and Environmental Effects,2019:1-12.
APA Wan YJ.,Chen ZY.,Shen WJ .,Kuang ZX.,Liu XH.,...&Hu Y.(2019).Study of the effects of hydraulic fractures on gas and water flow in shale gas reservoirs.Energy Sources, Part A: Recovery Utilization and Environmental Effects,1-12.
MLA Wan YJ,et al."Study of the effects of hydraulic fractures on gas and water flow in shale gas reservoirs".Energy Sources, Part A: Recovery Utilization and Environmental Effects (2019):1-12.
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