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Study on the Water Invasion and Its Effect on the Production from Multilayer Unconsolidated Sandstone Gas Reservoirs

文献类型：期刊论文

作者Hu, Yong4,5; Li, Xizhe4,5; Shen WJ(沈伟军)2,3; Guo, Changmin4,5; Jiao, Chunyan4,5; Xu, Xuan4,5; Jia, Yuze1
刊名GEOFLUIDS
出版日期2021-07-26
卷号2021页码:9
ISSN号1468-8115
DOI10.1155/2021/5135159
通讯作者Li, Xizhe(lxz69@petrochina.com.cn) ; Shen, Weijun(wjshen763@imech.ac.cn)
英文摘要Water invasion is a common occurrence in multilayer unconsolidated gas reservoirs, which results in excessive water production and reduces the economic life of gas wells. However, due to multiple layers, active edge water, and strong heterogeneity, the mechanism of water invasion and its effect in the unconsolidated sandstone gas reservoir require understanding in order to improve efficiency and minimize economic cost. In this study, an experimental study on edge water invasion of the multilayer commingled production in unconsolidated sandstone gas reservoirs was conducted to understand the water invasion process along with different permeability layers. The results show that the edge water invasion in the commingling production is mainly affected by two major factors including reservoir permeability and gas production rate, which jointly control the encroaching water advance path and speed. The nonuniform invade of edge water may occur easily and water prefers to invade toward the gas well along with high permeability layers when the commingling production is in the condition of large permeability gradient and high production rate. The bypass flow will occur when there are high permeability channels between the layers, which causes water blocking to low-permeability layers and periphery reservoirs far away from gas wells. The findings of this study can help for a better understanding of water invasion and the effects of reservoir properties so as to optimize extraction conditions and predict gas productivity in unconsolidated sandstone gas reservoirs.
分类号Q3
WOS关键词DEVELOPMENT STRATEGIES ; LONGWANGMIAO FORMATION ; CARBONATE RESERVOIRS ; SICHUAN BASIN ; FILM FLOW ; WELLS ; PERMEABILITY ; PERFORMANCE ; FRACTURES ; SYSTEMS
资助项目National Natural Science Foundation of China[U1762216] ; National Natural Science Foundation of China[11802312] ; State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation (Southwest Petroleum University)[PLN201810] ; Youth Foundation of Key Laboratory for Mechanics in Fluid Solid Coupling Systems, Chinese Academy of Sciences
WOS研究方向Geochemistry & Geophysics ; Geology
语种英语
WOS记录号WOS:000684333900002
资助机构National Natural Science Foundation of China ; State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation (Southwest Petroleum University) ; Youth Foundation of Key Laboratory for Mechanics in Fluid Solid Coupling Systems, Chinese Academy of Sciences
其他责任者Li, Xizhe ; Shen, Weijun
源URL[http://dspace.imech.ac.cn/handle/311007/87251]  
专题力学研究所_流固耦合系统力学重点实验室(2012-)
作者单位1.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing 100049, Peoples R China
2.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China;
3.Chinese Acad Sci, Inst Mech, Key Lab Mech Fluid Solid Coupling Syst, Beijing 100190, Peoples R China;
4.CNPC, Key Lab Gas Reservoir Format & Dev, Langfang 065007, Peoples R China;
5.PetroChina, Res Inst Petr Explorat & Dev, Beijing 100083, Peoples R China;
推荐引用方式
GB/T 7714		 Hu, Yong,Li, Xizhe,Shen WJ,et al. Study on the Water Invasion and Its Effect on the Production from Multilayer Unconsolidated Sandstone Gas Reservoirs[J]. GEOFLUIDS,2021,2021:9.
APA Hu, Yong.,Li, Xizhe.,沈伟军.,Guo, Changmin.,Jiao, Chunyan.,...&Jia, Yuze.(2021).Study on the Water Invasion and Its Effect on the Production from Multilayer Unconsolidated Sandstone Gas Reservoirs.GEOFLUIDS,2021,9.
MLA Hu, Yong,et al."Study on the Water Invasion and Its Effect on the Production from Multilayer Unconsolidated Sandstone Gas Reservoirs".GEOFLUIDS 2021(2021):9.

入库方式： OAI收割

来源：力学研究所

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