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Numerical simulation of hydraulic–natural fracture interaction based on the continuous–discontinuous element method [PDF]

Scientific Reports
Shale reservoirs commonly contain numerous geological discontinuities, such as natural fractures, faults, and lithological interfaces. These discontinuities significantly influence the formation of hydraulic fracture networks.
Kai Yang, Guopeng Huang, Fujian Zhou, Tianbo Liang, Jie Zuo, Minghui Li   +5 more
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Microscopic Analysis of Natural Fracture Properties in Organic-Rich Continental Shale Oil Reservoirs: A Case Study from the Lower Jurassic in the Sichuan Basin, China

Journal of Marine Science and Engineering, 2023
Natural fractures are of paramount importance in storing carbon in shale oil reservoirs, where ultra-low porosity and permeability necessitate their essentiality for enhanced oil recovery.
Xuefeng Bai, Saipeng Huang, Xiandong Wang, Zhiguo Wang, Youzhi Wang, Weiqi Ma, Yanping Zhu, Mengdi Sun, Bo Liu, Xiaofei Fu, Lijuan Cheng, Likai Cui, Yudong Hou   +12 more
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Hydraulic fracturing induced casing shear deformation and a prediction model of casing deformation

Petroleum Exploration and Development, 2021
To study the casing deformation (CD) in shale gas well fracturing caused by natural fracture slip, a fracture face stress model is built based on stress analysis, and a CD prediction model is established based on complex function to analyze factors ...
Qianli LU, Zhuang LIU, Jianchun GUO, Le HE, Yanchao LI, Ji ZENG, Shan REN   +6 more
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Numerical Investigation of Influence of Fluid Rate, Fluid Viscosity, Perforation Angle and NF on HF Re-Orientation in Heterogeneous Rocks Using UDEC T-W Method

Machines, 2022
Numerical simulation is very useful for understanding the hydraulic fracture (HF) re-orientation mechanism from artificial weaknesses. In this paper, the UDEC T-W (Trigon–Weibull distribution) modeling method is adopted to simulate the hydraulic ...
Shuai Zhang, Jinhai Xu, Liang Chen, Mingwei Zhang, Takashi Sasaoka, Hideki Shimada, Haiyang He   +6 more
doaj   +1 more source

Natural Fractures in Carbonate Basement Reservoirs of the Jizhong Sub-Basin, Bohai Bay Basin, China: Key Aspects Favoring Oil Production

Energies, 2020
Analysis of natural fractures is essential for understanding the heterogeneity of basement reservoirs with carbonate rocks since natural fractures significantly control key attributes such as porosity and permeability.
Guoping Liu, Lianbo Zeng, Chunyuan Han, Mehdi Ostadhassan, Wenya Lyu, Qiqi Wang, Jiangwei Zhu, Fengxiang Hou   +7 more
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Simulation Study on Interactive Propagation of Hydraulic Fractures and Natural Fractures in Shale Oil Reservoir

Frontiers in Earth Science, 2022
Natural fractures are developed in the shale oil reservoir, and the hydraulic fracture (HF) morphology is complex. The fracture shape can be inverted by using fracture propagation numerical simulation technology, which provides guidance for fracturing ...
Fuchun Tian, Fuchun Tian, Yan Jin, Lin Shi, Ziyuan Cong, Yuwei Li   +5 more
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Simulation of the interactions between multiple hydraulic fractures and natural fracture network based on Discrete Element Method numerical modeling

Energy Science & Engineering, 2020
Obtaining the most Stimulated Reservoir Volume (SRV) by forming a complex fracture network is the prerequisite for shale gas hydraulic fracturing. In this paper, a coupled DFN–DEM model is presented based on a realistic discrete fracture network from ...
Yumei Li
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The propagation behavior of hydraulic fracture network in a reservoir with cemented natural fractures

Energy Science & Engineering, 2023
There are still some problems in the study of hydraulic fracture (HF) network evolution in cemented naturally fractured reservoirs, such as microseismic mapping showing exaggerated stimulated reservoir volume in some cases. In addition, the dominant role
Haoyu Zhang, Junbin Chen, Zhengyan Zhao, Ziyan Li, Xiangrong Nie   +4 more
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Forward Modeling of Natural Fractures within Carbonate Rock Formations with Continuum Damage Mechanics and Its Application in Fuman Oilfield

Energies, 2022
Accurate information about the distribution of natural fractures is a key factor for the success of the exploration and development of oil and gas in carbonate rock formations.
Ming Yi, Xinpu Shen, Lixin Jin, Jianliang Wang, Zhiqiang Huang, Guoyang Shen   +5 more
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Natural Fractures in Low-Permeability Sandstone Reservoirs in the LD-A HPHT Gas Field, Yinggehai Basin: Implications for Hydrocarbon Exploration and Development

Frontiers in Earth Science, 2022
Research on the characteristics and distribution of natural fractures is of great importance for the exploration and development of low-permeability sandstone gas reservoirs.
Hui Li, Hui Li, Caiwei Fan, Zhenxue Jiang, Zhenxue Jiang, Jun Li, Chao Li, Xuhui Xu, Xuhui Xu, Fang Li, Gaowei Hu   +10 more
doaj   +1 more source