Results 1 to 10 of about 10,276,216 (240)
Ultrasonic-Assisted Rock-Breaking Technology and Oil and Gas Drilling Applications: A Review
Energies, 2022 High-efficiency rock-breaking is a problem that has long been studied in the oil- and gas-drilling industry. The successful use of ultrasonic technology in related fields has prompted us to study how to introduce ultrasonic technology into rock-breaking ...
Jinyu Feng +3 more
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Meitan kexue jishu, 2023 The cutterhead was one of the key parts of the Tunneling Boring Machine to achieve tunnel mining. Cutterhead’s continuous breaking rock was the rock destruction process under the cutter group.
Yadi LIU +4 more
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Energies, 2022 The Permian igneous rock in Shunbei Oilfield exhibits high rock strength, which results in a low rate of penetration (ROP) and shortens the cutter’s service life. It is necessary to analyze and evaluate the rock breaking effect of cutters.
Zhuoxin Dong +6 more
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Study on Rock-Breaking Depth and Damage Area under Particle Jet Impact
Shock and Vibration, 2020 Particle jet impact drilling technology is an efficient method which mainly uses high-velocity particles to break rock. As the important criterion for evaluating rock-breaking effect, rock-breaking depth and damage area were studied in this paper ...
Fushen Ren, Tiancheng Fang, Xiaoze Cheng
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Study on the rock-breaking process based on a high-voltage electropulse boring damage model
地质科技通报, 2023 High-voltage electropulse boring (EPB) is a new drilling method with great potential for drilling and industrialization. The existing high-voltage electropulse boring damage model based on PFC2D does not calibrate the parameters of the rock used in the ...
Yibiao Xiao +4 more
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Shiyou jixie, 2021 The research on rock breaking mechanism of special-shaped non-planar PDC cutter is relatively scarce, and the research on domestic prismatic PDC cutter is even scarcer.
Wei Xiuyan +5 more
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International Journal of Mining Science and Technology, 2023 When the traditional drill and blast method is applied to rock crushing projects, it has strong vibration, loud noise and dust pollution, so it cannot be used in densely populated areas such as urban public works.
Xiaofei Wang +4 more
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Numerical Simulation Study on Characteristics of Tight Hard Sand Broken by Axe-shaped PDC Cutter
Shiyou jixie, 2021 The study on the specific rock breaking mechanism of axe-shaped PDC cutter in the existing literatures is relatively less, the rock breaking characteristic test data are mostly for field application data, and there is short of theoretical basis of tooth ...
Zhao Runqi +5 more
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Numerical simulation of compaction and re-breakage characteristics of coal and rock samples in goaf
Yantu gongcheng xuebao, 2020 During the compaction process of broken coal and rock mass in a caving zone, the re-breakage of the rock and coal affects the compaction stress and pore characteristics of the caving zone.
ZHANG Cun 1, 2, 3, ZHAO Yi-xin 1, 3, TU Shi-hao 4, ZHANG Tong 2
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Intelligent optimization for a full-sized PDC bit with composite percussive rock breaking drilling
Journal of Intelligent Construction, 2023 Intelligent drilling has obtained a lot of attention in mining engineering, oil and gas production, and tunnelling engineering. The optimization of drilling parameters is one of the most important technologies of intelligent drilling while determining ...
Liping Li +7 more
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