Results 21 to 30 of about 7,006 (165)

Damage response and influencing factors of plastic damage caused by hydraulic fracturing of shale

Meitan kexue jishu
Shale reservoir hydraulic fracturing is a complex fluid solid coupling physical process. During fracturing, the infiltration of high-pressure fluid in the wellbore can induce the germination of microcracks in the surrounding rock of the wellbore, thereby
Zhonghui SHEN, Lei ZHOU, Dong LIN, Zhiguo GUO, Ziyi WANG, Xijian LI   +5 more
doaj   +1 more source

Research Status and Prospects of High-Voltage Pulse Plasma Rock-Fracturing Technology

Applied Sciences
With the continuous development of the geological engineering field, high-voltage electric pulse plasma rock-fracturing technology has become a research hotspot in recent years.
Yuanyuan Zhang, Jin Wang, Qilong Xue, Jiawei Liu, Hufeng Li, Song Fang   +5 more
doaj   +1 more source

Experimental study on characteristics of rock fracturing by high-pressure foam

Yantu gongcheng xuebao
In view of the shortcomings of the drilling and blasting method and the mechanical method in rock breaking engineering, based on the high viscosity and compressibility of foam, the rock-fracturing technology by high-pressure foam is proposed.
LIU Songyong1, 2 , CUI Song1, 2, 3 , GU Congcong1, 2
doaj   +1 more source

Fracturing process and effect of fracturing degree on wave velocity of a crystalline rock

Journal of Rock Mechanics and Geotechnical Engineering, 2017
The present paper investigates the effect of fracturing degree on P- and S-wave velocities in rock. The deformation of intact brittle rocks under loading conditions is characterized by a microcracking procedure, which occurs due to flaws in their ...
Charalampos Saroglou, Vasileios Kallimogiannis   +1 more
doaj   +1 more source

Investigation of the Hydraulic Fracture Propagation Law of Layered Rock Strata Using the Discrete-Particle Model

Geofluids, 2022
Hydraulic fracturing is a rock structure transformation method that significantly weakens the mechanical properties of the hard roof strata. Considering the poor hydraulic fracturing effect of special structure such as composite layered rock, this paper ...
Xin Zhang, Mei Yin
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An open-end high-power microwave-induced fracturing system for hard rock

Journal of Rock Mechanics and Geotechnical Engineering, 2023
Microwave pre-treatment is considered as a promising technique for alleviating cutter wear. This paper introduces a high-power microwave-induced fracturing system for hard rock.
Xia-Ting Feng, Jiuyu Zhang, Feng Lin, Chengxiang Yang, Shiping Li, Tianyang Tong, Xiangxin Su   +6 more
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Classification of coal/rock formation combination types and fracturing measures in Yuwu Mine

Meikuang Anquan
In order to classify the types of hydraulically fractured coal and rock seam combinations, the No.3 coal seam in Yuwu wellfield of Lu’an Mining area are taken as the research object in this paper, and the lithology and mechanical characteristics of the ...
Shaowei HAO, Jingshuo ZHANG, Shaowei WANG, Yafei JING   +3 more
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Characteristics and mechanism of rock fracturing caused by high voltage electric pulse rock mass based on electrohydraulic effect

Meitan xuebao
High voltage electrical pulse fracturing technology based on electrohydraulic effect is a new type of rock mass fracturing technology. This technique is characterized by its safety, high efficiency, environmental friendliness and controllable energy ...
Jun GUO, Xincheng MI, Guorui FENG, Jinwen BAI, Xiaoze WEN, Linjun ZHU, Zi WANG, Wenbo HUANG   +7 more
doaj   +1 more source

Hydraulic Fracturing Simulations with Real-Time Evolution of Physical Parameters

Energies, 2021
During hydraulic fracturing, expansion of internal micro-fractures deforms the rock to different extents. Numerical studies typically assume fixed parameters; however, in the field site, parameters are likely to vary.
Qiuping Qin, Qingfeng Xue, Zizhuo Ma, Yikang Zheng, Hongyu Zhai   +4 more
doaj   +1 more source

Manually directional splitting of in-situ intact igneous rocks into large sheets

Rock Mechanics Bulletin
This paper presents a directional large-area rock fracturing method. The method had distinctive features compared with other common fracturing methods. The area of the fracturing surface could reach 10–500 ​m2. The fractured rock was sheet-like in shape,
Zhong-jian Zhang, Zhongqi Quentin Yue, Biao Li, Zhi-fa Yang   +3 more
doaj   +1 more source