Modelling and analysis of coalbed methane drainage quality in penetrating-strata boreholes considering air leakage by Lizhen Zhao, Tianxuan Hao, Dengke Wang, Jianping Wei, Yang Du, Baisheng Nie, Jie Chen, Zhen Li, Yiju Tang, Fukai Zhang, Bowen Dong, Yuling Xia

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Optimization of the Plastic Area of a Borehole Based on the Gas Extraction Effect and Its Engineering Application by Kuan Wu, Shiliang Shi, Yi Lu, He Li, Min Li

“…The results show that a larger borehole pore size corresponds to a larger plastic zone and larger range of pressure relief of the borehole. …”
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Spatial and Temporal Distribution Law and Influencing Factors of the Mining-Induced Deformation and Failure of Gas Boreholes by Fei Xue, Xiaowei Feng

“…A hard roof condition promotes borehole shear stability, while a weak roof condition promotes borehole extrusion stability. …”
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Range Extension of Borehole Strainmeters Using MOSFET-Based Multi-Switch Automatic Zero Setting by Chen Yang, Zheng Chen, Hong Li, Wenbo Wang, Weiwei Zhan, Liheng Wu, Yunkai Dong, Jiaxin Chen

Subjects: “…borehole strainmeter…”
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Method and Application of Urban 3D Rapid Modeling of Geology Based on CAD Borehole Logs by Xuefeng Zhang, Cheng Chen, Zifei Xu, Hong Li

“…Aiming at the problems of cumbersome modeling process, low modeling efficiency, and accuracy of traditional modeling methods based on borehole data, in this paper, a fast 3D geological modeling method based on CAD borehole data is proposed. …”
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Study on Permeability Improvement Technology by Injecting Air into the Gas Drainage Borehole in Low-Permeability Coal Seam by Li Hui, Guo Chengwei, Sun Yuanfang, Guo Shaoshuai

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Study of the Law of Hydraulically Punched Boreholes on Effective Gas Extraction Radius under Different Coal Outputs by Dongdong Xu, Yunqi Tao, Zhengtao Zhou, Chao Hou

“…Different coal outputs directly affect the shape and size of boreholes as well as the effective extraction radius. …”
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Theoretical Calculation and Experimental Analysis on Initial Shock Pressure of Borehole Wall under Axial Decoupled Charge by Xiaoming Lou, Zhenchang Wang, Bigang Chen, Jin Yu

“…This paper attempts to calculate the exact initial shock pressure of borehole wall induced by the blasting with axially decoupled charge. …”
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Thermophysical and Mechanical Properties of Granite and Its Effects on Borehole Stability in High Temperature and Three-Dimensional Stress by Wang Yu, Liu Bao-lin, Zhu Hai-yan, Yan Chuan-liang, Li Zhi-jun, Wang Zhi-qiao

“…When exploiting the deep resources, the surrounding rock readily undergoes the hole shrinkage, borehole collapse, and loss of circulation under high temperature and high pressure. …”
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Comprehensive Application of Borehole Fine Detection Methods: A Case Study in Shantou Bay Subsea Tunnel by Chengkun Wang, Zhengyu Liu, Zhao Dong, Fengkai Zhang, Chuanyi Ma, Xiaolin Xu, Qian Guo

“…Firstly, the cross-hole resistivity method was used to predict water content in front of the tunnel, as it is highly sensitive to water. Subsequently, borehole ground-penetrating radar was applied to finely characterize the geological structure. …”
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The Borehole Water Intakes Mathematical Models with a Branched and Circular Connection Schemes for Prefabricated Water Conduits by V. V. Veremenyuk, V. V. Ivashechkin, V. I. Krytskaya

Subjects: “…borehole groundwater intake…”
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Design Considerations for Borehole Thermal Energy Storage (BTES): A Review with Emphasis on Convective Heat Transfer by Helge Skarphagen, David Banks, Bjørn S. Frengstad, Harald Gether

“…Borehole thermal energy storage (BTES) exploits the high volumetric heat capacity of rock-forming minerals and pore water to store large quantities of heat (or cold) on a seasonal basis in the geological environment. …”
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Experimental Study on Influence of Borehole Arrangement on Energy Conversion and Acoustic Characteristics of Coal-Like Material Sample by Chuanbo Hao, Zhiyuan Hou, Fukun Xiao, Gang Liu

“…This paper examines the effects of borehole arrangement on the failure process of coal-like materials based on its energy conversion and acoustic characteristics from the perspectives of energy, AE energy, AE spectrum, and frequency band. …”
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Research on Rapid Evaluation of Rock Mass Quality Based on Ultrasonic Borehole Imaging Technology and Fractal Method by Yuezheng Zhang, Hongguang Ji, Wenguang Li, Kuikui Hou

“…The distribution of discontinuities in the deep stratigraphic rock mass is random and irregular, and the spatial distribution has statistical self-similarity, which can be analyzed by fractal theory. The borehole wall image obtained based on the ultrasonic borehole imaging technology can clearly reflect the rich structural surface information such as the inclination, density, and crack width of the structural surface in the rock mass. …”
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Sealing Behavior and Flow Mechanism of Expandable Material Slurry with High Water Content for Sealing Gas Drainage Boreholes by Guozhong Hu, Wenrui He, Changjin Lan

“…This study presents a new grouting solidification method for sealing boreholes using expandable materials with high water content. …”
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Investigation method of borehole collapse with the multi-field coupled model during drilling in clayey silt hydrate reservoirs by Qingchao Li, Yuanfang Cheng, Qiang Li, Fuling Wang, Chuang Zhang, Chuanliang Yan

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Assessment of Physicochemical Properties and Heavy Metals in Borehole Water Used For Drinking In Okada Town, Edo State, Nigeria by W.A. Raji, C.E. Anih, P.O. Obeta

Subjects: “…borehole…”
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Pressurised water flow in fractured permafrost rocks revealed by borehole temperature, electrical resistivity tomography, and piezometric pressure by M. Offer, M. Offer, S. Weber, S. Weber, M. Krautblatter, I. Hartmeyer, M. Keuschnig

“…To overcome the lack of a quantitative assessment, we combine datasets of rock temperature measured in two deep boreholes (2016–2023), with electrical resistivity tomography measurements repeated monthly in 2013 and 2023; the site-specific temperature–resistivity relation determined in the laboratory with samples from the study area; and borehole piezometer data. …”
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Assessment of Physicochemical Properties and Heavy Metals in Borehole Water Used For Drinking In Okada Town, Edo State, Nigeria by W.A. Raji, C.E. Anih, P.O. Obeta

Subjects: “…borehole…”
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Hydrochemical assessment of borehole water in Effurun, Delta state Niger Delta, Nigeria: implications for public health and safety by Odunayo Tope Ojo, Chiaka Joy Ike, Adegoke Ige Aladeboyeje, Olayiwola Grace Olaseeni, Olumuyiwa Femi Adewumi

“…Abstract Borehole water plays a critical role in providing drinking water in Effurun, Delta State, Nigeria. …”
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