The Effect of Perforation Spacing on the Variation of Stress Shadow
文献类型：期刊论文
| 作者 | Han, Weige3,4; Cui, Zhendong1,2,5; Zhu, Zhengguo3,4 |
| 刊名 | ENERGIES
 |
| 出版日期 | 2021-07-01 |
| 卷号 | 14期号:13页码:16 |
| 关键词 | hydraulic fracturing perforation spacing stress shadow fracture path extended finite element method (XFEM) |
| DOI | 10.3390/en14134040 |
| 英文摘要 | When the shale gas reservoir is fractured, stress shadows can cause reorientation of hydraulic fractures and affect the complexity. To reveal the variation of stress shadow with perforation spacing, the numerical model between different perforation spacing was simulated by the extended finite element method (XFEM). The variation of stress shadows was analyzed from the stress of two perforation centers, the fracture path, and the ratio of fracture length to spacing. The simulations showed that the reservoir rock at the two perforation centers is always in a state of compressive stress, and the smaller the perforation spacing, the higher the maximum compressive stress. Moreover, the compressive stress value can directly reflect the size of the stress shadow effect, which changes with the fracture propagation. When the fracture length extends to 2.5 times the perforation spacing, the stress shadow effect is the strongest. In addition, small perforation spacing leads to backward-spreading of hydraulic fractures, and the smaller the perforation spacing, the greater the deflection degree of hydraulic fractures. Additionally, the deflection angle of the fracture decreases with the expansion of the fracture. Furthermore, the perforation spacing has an important influence on the initiation pressure, and the smaller the perforation spacing, the greater the initiation pressure. At the same time, there is also a perforation spacing which minimizes the initiation pressure. However, when the perforation spacing increases to a certain value (the result of this work is about 14 m), the initiation pressure will not change. This study will be useful in guiding the design of programs in simultaneous fracturing. |
| WOS关键词 | HYDRAULIC FRACTURES ; CRACK-GROWTH ; NUMERICAL-SIMULATION ; INITIATION PRESSURE ; NATURAL FRACTURES ; FLOW ; OIL |
| 资助项目 | Second Tibetan Plateau Scientific Expedition and Research Program (STEP)[2019QZKK0904] ; National Key Research and Development Project[2019YFC1509705] ; National Natural Science Foundation of China[51978424] ; Science and Technology Project of State Grid Cooperation of China[SGSDJYOOSJJS1900042] |
| WOS研究方向 | Energy & Fuels |
| 语种 | 英语 |
| WOS记录号 | WOS:000671080000001 |
| 出版者 | MDPI |
| 资助机构 | Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; National Key Research and Development Project ; National Key Research and Development Project ; National Key Research and Development Project ; National Key Research and Development Project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Science and Technology Project of State Grid Cooperation of China ; Science and Technology Project of State Grid Cooperation of China ; Science and Technology Project of State Grid Cooperation of China ; Science and Technology Project of State Grid Cooperation of China ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; National Key Research and Development Project ; National Key Research and Development Project ; National Key Research and Development Project ; National Key Research and Development Project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Science and Technology Project of State Grid Cooperation of China ; Science and Technology Project of State Grid Cooperation of China ; Science and Technology Project of State Grid Cooperation of China ; Science and Technology Project of State Grid Cooperation of China ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; National Key Research and Development Project ; National Key Research and Development Project ; National Key Research and Development Project ; National Key Research and Development Project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Science and Technology Project of State Grid Cooperation of China ; Science and Technology Project of State Grid Cooperation of China ; Science and Technology Project of State Grid Cooperation of China ; Science and Technology Project of State Grid Cooperation of China ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; National Key Research and Development Project ; National Key Research and Development Project ; National Key Research and Development Project ; National Key Research and Development Project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Science and Technology Project of State Grid Cooperation of China ; Science and Technology Project of State Grid Cooperation of China ; Science and Technology Project of State Grid Cooperation of China ; Science and Technology Project of State Grid Cooperation of China |
| 源URL | [http://ir.iggcas.ac.cn/handle/132A11/101995]  |
| 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 | Cui, Zhendong |
| 作者单位 | 1.Chinese Acad Sci, Innovat Acad Earth Sci, Beijing 100029, Peoples R China 2.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Shale Gas & Geoengn, Beijing 100029, Peoples R China 3.Hebei Prov Tech Innovat Ctr Safe & Effect Min Met, Shijiazhuang 050043, Hebei, Peoples R China 4.Shijiazhuang Tiedao Univ, State Key Lab Mech Behav & Syst Safety Traff Engn, Shijiazhuang 050043, Hebei, Peoples R China 5.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing 100049, Peoples R China |
| 推荐引用方式 GB/T 7714 | Han, Weige,Cui, Zhendong,Zhu, Zhengguo. The Effect of Perforation Spacing on the Variation of Stress Shadow[J]. ENERGIES,2021,14(13):16. |
| APA | Han, Weige,Cui, Zhendong,&Zhu, Zhengguo.(2021).The Effect of Perforation Spacing on the Variation of Stress Shadow.ENERGIES,14(13),16. |
| MLA | Han, Weige,et al."The Effect of Perforation Spacing on the Variation of Stress Shadow".ENERGIES 14.13(2021):16. |
入库方式： OAI收割
来源：地质与地球物理研究所
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