Experimental and numerical study on the non-planar propagation of hydraulic fractures in shale
文献类型：期刊论文
| 作者 | Heng, Shuai; Liu, Xiao; Li, Xianzhong; Zhang, Xiaodong; Yang, Chunhe |
| 刊名 | JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING
 |
| 出版日期 | 2019 |
| 卷号 | 179期号:-页码:410-426 |
| 关键词 | Shale Bedding plane Hydraulic fracturing Non-planar propagation Fracture network |
| ISSN号 | 0920-4105 |
| DOI | 10.1016/j.petrol.2019.04.054 |
| 英文摘要 | To better understand the non-planar propagation and geometry of fracture networks, hydraulic fracturing simulation tests on shale specimens were conducted using an established true triaxial hydraulic fracturing simulation test system. A two-dimensional numerical model of hydraulic fracturing was developed to clarify the evolution of hydraulic fractures and their non-planar behaviour at bedding planes. The numerical model with the alternating rock matrix and bedding planes considered the coupling effect of stress, fluid flow, and damage. The mechanisms by which hydraulic fractures penetrate or become arrested/deflected at bedding planes were then revealed as per the physical and numerical simulation results. The results revealed that the typical severe fluctuation of the injection pressure, which is closely related to the growth of sub-fractures along bedding planes or natural fractures, is a clear characteristic of the non-planar propagation of hydraulic fractures. The mechanical properties of the bedding primarily determine whether a hydraulic fracture penetrates or is deflected at the bedding. Strong beddings favour hydraulic fracture penetration; whereas, weak beddings favour hydraulic fracture deflection along the beddings. The hydraulic fractures typically extend along the path of least resistance, and therefore, induce the non-planar propagation behaviour at bedding planes. Tensile failure is a major fracture mechanism of the hydraulic fractures that penetrate or deviate at bedding planes. The experimental and numerical findings provide a basis for the optimum design of hydraulic fracturing and control of the fracture growth geometry in shale gas reservoirs. |
| WOS研究方向 | Energy & Fuels ; Engineering |
| 语种 | 英语 |
| WOS记录号 | WOS:000470109500034 |
| 源URL | [http://119.78.100.198/handle/2S6PX9GI/14939]  |
| 专题 | 岩土力学所知识全产出_期刊论文 国家重点实验室知识产出_期刊论文 |
| 作者单位 | 1.Henan Polytech Univ, Sch Energy Sci & Engn, Jiaozuo 454000, Henan, Peoples R China; 2.Chinese Acad Sci, Inst Rock & Soil Mech, State Key Lab Geomech & Geotech Engn, Wuhan 430071, Hubei, Peoples R China 3.Collaborat Innovat Ctr Coalbed Methane & Shale Ga, Jiaozuo 454000, Henan, Peoples R China; |
| 推荐引用方式 GB/T 7714 | Heng, Shuai,Liu, Xiao,Li, Xianzhong,et al. Experimental and numerical study on the non-planar propagation of hydraulic fractures in shale[J]. JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING,2019,179(-):410-426. |
| APA | Heng, Shuai,Liu, Xiao,Li, Xianzhong,Zhang, Xiaodong,&Yang, Chunhe.(2019).Experimental and numerical study on the non-planar propagation of hydraulic fractures in shale.JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING,179(-),410-426. |
| MLA | Heng, Shuai,et al."Experimental and numerical study on the non-planar propagation of hydraulic fractures in shale".JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING 179.-(2019):410-426. |
入库方式： OAI收割
来源：武汉岩土力学研究所
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