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Experimental study of the temporary plugging capability of diverters to block hydraulic fractures in high-temperature geothermal reservoirs

文献类型：期刊论文

作者Wang, DaoBing4; Qin, Hao3; Wang, YongLiang2; Hu JQ(胡剑桥)1; Sun, DongLiang4; Yu, Bo4
刊名PETROLEUM SCIENCE
出版日期2023-12-01
卷号20期号:6页码:3687-3699
关键词High temperature Diverter material Fracture plugging capability Hydraulic fracturing Experimental study
ISSN号1672-5107
DOI10.1016/j.petsci.2023.07.002
通讯作者Sun, Dong-Liang(sundongliang@bipt.edu.cn) ; Yu, Bo(yubobox@vip.163.com)
英文摘要The effective plugging of artificial fractures is key to the success of temporary plugging and diverting fracturing technology, which is one of the most promising ways to improve the heat recovery efficiency of hot dry rock. At present, how temporary plugging agents plug artificial fractures under high temperature remains unclear. In this paper, by establishing an improved experimental system for the evaluation of temporary plugging performance at high temperature, we clarified the effects of high temperature, injection rate, and fracture width on the pressure response and plugging efficiency of the fracture. The results revealed that the temporary plugging process of artificial fractures in hot dry rock can be divided into four main stages: the initial stage of temporary plugging, the bridging stage of the particles, the plugging formation stage, and the high-pressure dense plugging stage. As the temperature increases, the distribution distance of the temporary plugging agent, the number of pressure fluctuations, and the time required for crack plugging increases. Particularly, when the temperature increases by 100 degrees C, the complete plugging time increases by 90.7%. (c) 2023 The Authors. Publishing services by Elsevier B.V. on behalf of KeAi Communications Co. Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
分类号一类
WOS关键词ROCK MECHANICS ISSUES ; STRESS ; ENERGY
资助项目Beijing Natural Science Foundation Project[3222030] ; National Natural Science Foundation of China[51936001] ; National Natural Science Foundation of China[52274002] ; National Natural Science Foundation of China[52192622] ; PetroChina Science and Technology Innovation Foundation Project[2021DQ02-0201] ; Award Cultivation Foundation from Beijing Institute of Petrochemical Technology[BIPTACF-002]
WOS研究方向Energy & Fuels ; Engineering
语种英语
WOS记录号WOS:001198398600001
资助机构Beijing Natural Science Foundation Project ; National Natural Science Foundation of China ; PetroChina Science and Technology Innovation Foundation Project ; Award Cultivation Foundation from Beijing Institute of Petrochemical Technology
其他责任者Sun, Dong-Liang ; Yu, Bo
源URL[http://dspace.imech.ac.cn/handle/311007/94929]  
专题力学研究所_非线性力学国家重点实验室
作者单位1.Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China
2.China Univ Min & Technol Beijing, Sch Mech & Civil Engn, Beijing 100083, Peoples R China;
3.China Petr & Chem Corp, Jinan Branch, Jinan 250101, Shandong, Peoples R China;
4.Beijing Inst Petrochem Technol, Sch Mech Engn, Beijing 102617, Peoples R China;
推荐引用方式
GB/T 7714		 Wang, DaoBing,Qin, Hao,Wang, YongLiang,et al. Experimental study of the temporary plugging capability of diverters to block hydraulic fractures in high-temperature geothermal reservoirs[J]. PETROLEUM SCIENCE,2023,20(6):3687-3699.
APA Wang, DaoBing,Qin, Hao,Wang, YongLiang,胡剑桥,Sun, DongLiang,&Yu, Bo.(2023).Experimental study of the temporary plugging capability of diverters to block hydraulic fractures in high-temperature geothermal reservoirs.PETROLEUM SCIENCE,20(6),3687-3699.
MLA Wang, DaoBing,et al."Experimental study of the temporary plugging capability of diverters to block hydraulic fractures in high-temperature geothermal reservoirs".PETROLEUM SCIENCE 20.6(2023):3687-3699.

入库方式： OAI收割

来源：力学研究所

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