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Hydraulic Fracturing Behavior in Shale with Water and Supercritical CO2 under Triaxial Compression

文献类型：期刊论文

作者He, Jianming1,2,3; Zhang, Yixiang1,2,3; Yin, Chao1,2,3; Li, Xiao1,2,3
刊名GEOFLUIDS
出版日期2020-03-18
卷号2020页码:10
ISSN号1468-8115
DOI10.1155/2020/4918087
英文摘要Comparing to the water fracturing fluid regularly used in the hydraulic fracturing operation, supercritical CO2 (SC-CO2) as a promising nonaqueous fracturing fluid has the great potential for the improvement of production and protection of shale reservoir. This paper presents an experimental study of the mechanical response and fracture propagation of shale fractured using water and SC-CO2 under the different stress status and injection rate. According to the experimental results, SC-CO2 fracturing is more time-consuming due to its compressibility which takes about 20 times more time than hydraulic fracturing using water under the same preset conditions. The breakdown pressure of shale can be affected by not only the anisotropy of itself but also the external factors like injection rate and deviator stress. Similar tendency of the breakdown pressure with the variation of bedding orientation can be observed in both of the fracturing using water and SC-CO2. However, all of the shale specimens fractured using SC-CO2 show smaller breakdown pressure if compared with the shale specimens fractured using water. According to the results of fracture width evolution monitored by circumference during the fracturing, the fracture propping and proper size of the proppant are really important for the hydraulic fracturing.
WOS关键词CARBON-DIOXIDE ; GAS ; PROPAGATION ; OIL ; ADSORPTION ; ANISOTROPY ; INITIATION ; INJECTION ; STRESS ; FLUID
资助项目National Natural Science Foundation of China[41572310] ; National Natural Science Foundation of China[41877270]
WOS研究方向Geochemistry & Geophysics ; Geology
语种英语
WOS记录号WOS:000522956300001
出版者WILEY-HINDAWI
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 ; 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/132A11/95487]  
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He, Jianming; Zhang, Yixiang
作者单位1.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
2.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Shale Gas & Geoengn, Beijing 100029, Peoples R China
3.Chinese Acad Sci, Innovat Acad Earth Sci, Beijing 100029, Peoples R China
推荐引用方式
GB/T 7714		 He, Jianming,Zhang, Yixiang,Yin, Chao,et al. Hydraulic Fracturing Behavior in Shale with Water and Supercritical CO2 under Triaxial Compression[J]. GEOFLUIDS,2020,2020:10.
APA He, Jianming,Zhang, Yixiang,Yin, Chao,&Li, Xiao.(2020).Hydraulic Fracturing Behavior in Shale with Water and Supercritical CO2 under Triaxial Compression.GEOFLUIDS,2020,10.
MLA He, Jianming,et al."Hydraulic Fracturing Behavior in Shale with Water and Supercritical CO2 under Triaxial Compression".GEOFLUIDS 2020(2020):10.

入库方式： OAI收割

来源：地质与地球物理研究所

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