Results 31 to 40 of about 7,006 (165)

DDA Simulation Study on Mechanical Failure of Heterogenous Rock

Geofluids, 2021
Heterogeneity is an important characteristic that affects the mechanical behavior of rock. In the present work, a statistical rock mesoheterogeneity model based on the Weibull distribution function is introduced into the discontinuous deformation ...
Youjun Ning, Xinyang Lv, Zheng Yang
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Experimental study on mechanical properties of rock degraded by hydraulic fracturing

Meitan kexue jishu
The accurate determination of the degree of mechanical property degradation of rock layers after hydraulic fracturing is the basis for revealing the pressure relief mechanism of hydraulic fracturing and evaluating the fracturing effect.
Taotao DU, Wenjun JU, Zhiguo LU, Junfeng PAN, Yongxue XIA, Ruibing YAN   +5 more
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Toppling Deformed Rock Mass Hydraulic Fracturing Analysis Based on Extended Finite Elements

Applied Sciences
Natural cracks are prone to form in toppling deformed rock masses during the toppling process, and these cracks are likely to undergo hydraulic fracturing failure under the action of high water head.
Haibin Pan, Menglong Dong
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Simulation of Gas Fracturing in Reservoirs Based on a Coupled Thermo-Hydro-Mechanical-Damage Model

Applied Sciences
Gas fracturing technology for enhancing rock permeability is an area with considerable potential for development. However, the complexity and variability of underground conditions mean that a variety of rock physical parameters can affect the outcome of ...
Enze Qi, Fei Xiong, Zhengzheng Cao, Yun Zhang, Yi Xue, Zhizhen Zhang, Ming Ji   +6 more
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Damage evolution characteristics of heterogeneous fractured sandstone reservoir under different fracturing fluids

Energy Science & Engineering, 2023
To investigate the coupling effect of in situ stress and fluid pore pressure and the propagation law of damaged area during hydraulic fracturing and gas fracturing in heterogeneous fractured reservoirs, according to the effective stress principle and the
Ke Xu, Hui Zhang, Zhizhen Zhang, Guoqing Yin, Xiaoji Shang, Zhimin Wang, Haiying Wang, Fang Yuan, Ziwei Qian, Shujun Lai   +9 more
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Sensitivity Analysis of Hydraulic Fracturing Parameters of the Hot Dry Rock Thermal Reservoir in the Songliao Basin [PDF]

Zhengzhou Daxue xuebao. Gongxue ban
Hydraulic fracturing is the key technology for extracting geothermal energy, which could increase the heat production by improving the permeability of the reservoir rock.
ZHANG Yanjun, SUN Minghao, YU Ziwang, LIU Yulong   +3 more
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Mechanism and simulation of hard rock fracturing by inductively heated expandable graphite: A coupled electro-magnetic-thermal-mechanical investigation

Results in Engineering
Traditional hard rock fracturing methods are associated with significant safety risks and vibration disturbances. To improve operational safety and fracturing efficiency, a safe and effective rock fracturing method is urgently needed.
Defu Zhu, Xinyi Shi, Zhensuo Wang, Deyu Wang, Chuan Yan, Zhongshun Chen   +5 more
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Research on Hydraulic Fracturing Pressure Relief Technology in the Deep High-Stress Roadway for Surrounding Rock Control

Advances in Civil Engineering, 2021
With the increase of mining depth in underground engineering, deep ground pressure has an extremely unfavorable impact on safety production and the economic benefits of coal mines and the control of the roadway stability in deep mines are gradually ...
Wen Zhai, Yachao Guo, Xiaochuan Ma, Nailv Li, Peng Zhang, Kun Ma, Yuanxin Jing, Hong Yu, Xiaotong Li   +8 more
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Research on cyclic liquid nitrogen fracturing technology for enhancing coalbed methane drainage and its application prospect

Gong-kuang zidonghua, 2020
Hydraulic fracturing technology is widely used in fracturing coal seam and improving efficiency of coalbed methane drainage, but due to large water consumption, environment pollution by fracturing fluid and other problems, it is difficult to be used in ...
ZHAI Cheng, XU Jizhao
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Mechanism and evaluation method of rock burst prevention in coal mines using surface hydraulic fracturing

Meitan xuebao
In response to the lack of understanding of the rock burst prevention mechanism and the absence of evaluation methods for the prevention effect in surface hydraulic fracturing, this study focused on the hydraulic fracturing construction at No 401102 ...
Yuzhen MA, Yongtao GAO, Sitao ZHU, Junfeng PAN, Kaiwen XIA, Xiufeng ZHANG, Fuxing JIANG, Jinhai LIU, Bing WANG, Yang CHEN, Cai YAN   +10 more
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