IMHE OpenIR
Effect of Brittle Mineral Size on Hydraulic Fracture Propagation in Shale Gas Reservoir
Gao, Wei1; Iqbal, Javed2,3; Xu, Dan4; Sui, Haoyue1,5; Hu, Ruilin1
Corresponding AuthorGao, Wei(gaowei@mail.iggcas.ac.cn) ; Iqbal, Javed(javediqbalgeo@gmail.com)
2019
Source PublicationGEOFLUIDS
ISSN1468-8115
Pages14
AbstractThe properties of brittle minerals have great effect on the morphology of postfracturing network in shale reservoirs in the southeastern Ordos Basin, China. In order to study the effect of brittle mineral size distributions on the fracture parameters, the concrete cubes of 300mmx300mmx300mm in size with four distinct brittle mineral sizes of 2.36mm, 0.425mm, 0.15mm, and 0.075mm were investigated under large-sized triaxial hydraulic fracturing test. The effect mechanism of aggregate on the fracture properties of shale was studied using ultrasonic technique, photosensitive electron microscope, and numerical simulation. The test results obtained for each specimen (both disturbed and undisturbed conditions) indicate that brittle mineral size has significant effect on the fracture extension. The tensile strength, fracture toughness, and fracture pressure were found to decrease with a decrease in maximum brittle mineral size when the maximum brittle mineral size is smaller than 0.425mm. In addition to this, the degree of attenuation difference also follows the similar trend. Observed fracture morphology reveals that with an increase in maximum size of brittle mineral specimen, the tortuous and complicated cracking path generation increases. These findings would be very helpful in order to better understand the behavior of shale under hydraulic fracturing test.
DOI10.1155/2019/9147048
Indexed BySCI
WOS KeywordCOARSE AGGREGATE SIZE ; NONDESTRUCTIVE EVALUATION ; CHINA CHARACTERISTICS ; BARNETT SHALE ; CONCRETE ; ATTENUATION ; MECHANISMS ; CHALLENGES ; COMPACTION ; BEHAVIOR
Language英语
Funding ProjectStrategic Priority Research Program of the Chinese Academy of Sciences[XDB10030104] ; National Natural Science Foundation of China[41330643] ; Chinese Academy of Sciences President's International Fellowship Initiative[2018PC0009]
WOS Research AreaGeochemistry & Geophysics ; Geology
WOS SubjectGeochemistry & Geophysics ; Geology
WOS IDWOS:000458400700001
Funding OrganizationStrategic Priority Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; Chinese Academy of Sciences President's International Fellowship Initiative
PublisherWILEY-HINDAWI
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/25063
Collection中国科学院水利部成都山地灾害与环境研究所
Corresponding AuthorGao, Wei; Iqbal, Javed
Affiliation1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Shale Gas & Geoengn, 19 Beitucheng Western Rd, Beijing 100029, Peoples R China
2.Abbottabad Univ Sci & Technol, Dept Earth Sci, Abbottabad, Pakistan
3.Chinese Acad Sci, Inst Mt Hazards & Environnent, Key Lab Mt Hazards & Earth Surface Proc, Chengdu, Sichuan, Peoples R China
4.China Railway 11th Bur Grp Co Ltd, 277 Zhongshan Rd, Wuhan, Hubei, Peoples R China
5.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Gao, Wei,Iqbal, Javed,Xu, Dan,et al. Effect of Brittle Mineral Size on Hydraulic Fracture Propagation in Shale Gas Reservoir[J]. GEOFLUIDS,2019:14.
APA Gao, Wei,Iqbal, Javed,Xu, Dan,Sui, Haoyue,&Hu, Ruilin.(2019).Effect of Brittle Mineral Size on Hydraulic Fracture Propagation in Shale Gas Reservoir.GEOFLUIDS,14.
MLA Gao, Wei,et al."Effect of Brittle Mineral Size on Hydraulic Fracture Propagation in Shale Gas Reservoir".GEOFLUIDS (2019):14.
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