Research on the influence of stress on the penetration behavior of hydraulic fracture: Perspective from failure type of beddings
The failure types of bedding determine the penetration behavior of hydraulic fracture. A stratum model containing bedding was established based on the 3D block distinct element method to explore the penetration behavior of hydraulic fractures with different types of bedding. The mechanics of hydraul...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
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Frontiers Media S.A.
2023-03-01
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| Series: | Frontiers in Earth Science |
| Subjects: | |
| Online Access: | https://www.frontiersin.org/articles/10.3389/feart.2023.1163295/full |
| _version_ | 1797869586984468480 |
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| author | Yuesong Bai Yuesong Bai Yaoqing Hu Xingchuan Liao Jin Tan Yongxiang Zheng Wei Wang |
| author_facet | Yuesong Bai Yuesong Bai Yaoqing Hu Xingchuan Liao Jin Tan Yongxiang Zheng Wei Wang |
| author_sort | Yuesong Bai |
| collection | DOAJ |
| description | The failure types of bedding determine the penetration behavior of hydraulic fracture. A stratum model containing bedding was established based on the 3D block distinct element method to explore the penetration behavior of hydraulic fractures with different types of bedding. The mechanics of hydraulic fractures penetrating the shear- failure bedding plane and tensile-failure bedding plane were analyzed. The results showed that the shear-failure bedding plane was more difficult to expand than the tensile-failure bedding plane after the hydraulic fracture turns to bedding plane. The initial stress magnitude controls the expansion difficulty of hydraulic fractures, and the high stress magnitude attenuated penetration behavior. The vertical stress affected the shear failure by increasing the shear strength of the bedding plane. It affected the tensile failure by increasing the initiation stress of the bedding plane. The effect of horizontal stress on the penetration behavior included the influence on the initiation stress of vertical joints and the enhancement of the interference stress on the horizontal bedding plane. The conclusions can provide the guidance for hydraulic fracturing in reservoir with bedding planes. |
| first_indexed | 2024-04-10T00:14:58Z |
| format | Article |
| id | doaj.art-f32f4c13ecac4bfb80ed032b1b1c840a |
| institution | Directory Open Access Journal |
| issn | 2296-6463 |
| language | English |
| last_indexed | 2024-04-10T00:14:58Z |
| publishDate | 2023-03-01 |
| publisher | Frontiers Media S.A. |
| record_format | Article |
| series | Frontiers in Earth Science |
| spelling | doaj.art-f32f4c13ecac4bfb80ed032b1b1c840a2023-03-16T06:13:03ZengFrontiers Media S.A.Frontiers in Earth Science2296-64632023-03-011110.3389/feart.2023.11632951163295Research on the influence of stress on the penetration behavior of hydraulic fracture: Perspective from failure type of beddingsYuesong Bai0Yuesong Bai1Yaoqing Hu2Xingchuan Liao3Jin Tan4Yongxiang Zheng5Wei Wang6Institute of Mining Technology, Taiyuan University of Technology, Taiyuan, ChinaShanxi Wangjialing Coal Industry Co., Ltd., Xinzhou, ChinaInstitute of Mining Technology, Taiyuan University of Technology, Taiyuan, ChinaSchool of Civil Engineering and Geomatics, Southwest Petroleum University, Chengdu, Sichuan, ChinaSchool of Civil Engineering and Geomatics, Southwest Petroleum University, Chengdu, Sichuan, ChinaKey Laboratory of Roads and Railway Engineering Safety Control (Shijiazhuang Tiedao University), Ministry of Education, Shijiazhuang, Hebei, ChinaKey Laboratory of Roads and Railway Engineering Safety Control (Shijiazhuang Tiedao University), Ministry of Education, Shijiazhuang, Hebei, ChinaThe failure types of bedding determine the penetration behavior of hydraulic fracture. A stratum model containing bedding was established based on the 3D block distinct element method to explore the penetration behavior of hydraulic fractures with different types of bedding. The mechanics of hydraulic fractures penetrating the shear- failure bedding plane and tensile-failure bedding plane were analyzed. The results showed that the shear-failure bedding plane was more difficult to expand than the tensile-failure bedding plane after the hydraulic fracture turns to bedding plane. The initial stress magnitude controls the expansion difficulty of hydraulic fractures, and the high stress magnitude attenuated penetration behavior. The vertical stress affected the shear failure by increasing the shear strength of the bedding plane. It affected the tensile failure by increasing the initiation stress of the bedding plane. The effect of horizontal stress on the penetration behavior included the influence on the initiation stress of vertical joints and the enhancement of the interference stress on the horizontal bedding plane. The conclusions can provide the guidance for hydraulic fracturing in reservoir with bedding planes.https://www.frontiersin.org/articles/10.3389/feart.2023.1163295/fullfailure types of beddingpenetration behaviorshear-failure bedding planetensile-failure bedding planestress |
| spellingShingle | Yuesong Bai Yuesong Bai Yaoqing Hu Xingchuan Liao Jin Tan Yongxiang Zheng Wei Wang Research on the influence of stress on the penetration behavior of hydraulic fracture: Perspective from failure type of beddings Frontiers in Earth Science failure types of bedding penetration behavior shear-failure bedding plane tensile-failure bedding plane stress |
| title | Research on the influence of stress on the penetration behavior of hydraulic fracture: Perspective from failure type of beddings |
| title_full | Research on the influence of stress on the penetration behavior of hydraulic fracture: Perspective from failure type of beddings |
| title_fullStr | Research on the influence of stress on the penetration behavior of hydraulic fracture: Perspective from failure type of beddings |
| title_full_unstemmed | Research on the influence of stress on the penetration behavior of hydraulic fracture: Perspective from failure type of beddings |
| title_short | Research on the influence of stress on the penetration behavior of hydraulic fracture: Perspective from failure type of beddings |
| title_sort | research on the influence of stress on the penetration behavior of hydraulic fracture perspective from failure type of beddings |
| topic | failure types of bedding penetration behavior shear-failure bedding plane tensile-failure bedding plane stress |
| url | https://www.frontiersin.org/articles/10.3389/feart.2023.1163295/full |
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