Explanipedia

Current applications and prospects of coalbed methane development technologies in coal mining areas Open

SUN Siqing, YANG Fan, ZHENG Yuqi, ZHANG Qun, LI Haozhe, ZHANG Qingli, CHENG Bin, LI Wenbo, WU Xiaoxuan, SUN Siqing, YANG Fan, ZHENG Yuqi, ZHANG Qun, LI Haozhe, ZHANG Qingli, CHENG Bin, LI Wenbo, WU Xiaoxuan · 2025

Coalbed methane (CBM) is a hazardous gas that leads to gas explosions, coal and gas outbursts, and contributes to atmospheric greenhouse effects in coal mines. At the same time, CBM is a clean and efficient energy source. Developing CBM in…

Research and application of surface gas control technology for soft and low-permeability coal seams in Huainan mining area Open

PENG Yumin, DING Huazhong, DING Tongfu, SU Lei, TONG Bi, JIA Shengfeng, CHEN Benliang, TANG Yonggan, LIU Chao, YUAN Guang, LUO Rongdao, ZHANG Mingzhi, GAO Meng, PENG Yumin, DING Huazhong, DING Tongfu, SU Lei, TONG Bi, JIA Shengfeng, CHEN Benliang, TANG Yonggan, LIU Chao, YUAN Guang, LUO Rongdao, ZHANG Mingzhi, GAO Meng · 2025

The Huainan mining area is located at the forefront of the intersection of the east-west and north-south tectonic zones in China, with extremely complex geological structures. After a series of tectonic evolution, the coal seams have becom…

Sedimentary characteristics and gas enrichment potential of Carboniferous-Permian coal-measure shale in Huanghua Depression Open

YAN Jihua, PU Xiugang, HOU Zhongshuai, CHEN Shiyue, YAN Jihua, PU Xiugang, HOU Zhongshuai, CHEN Shiyue · 2025

Shale is at the forefront of oil and gas geological research and a hotspot for exploration; however, research has mainly focused on marine and lacustrine shale systems, while studies on shale within transitional coal-measure strata are rel…

Pore development characteristics and accumulation potential of coal measure gas reservoirs: A case study of Tansen area in Lesser Himalayan orogenic belt, Nepal Open

SANG Shuxun, HE Junjie, HAN Sijie, KHADKA Kumar, ZHOU Xiaozhi, LIU Shiqi, UPENDRA Baral, SAUNAK Bhandari, SANG Shuxun, HE Junjie, HAN Sijie, KHADKA Kumar, ZHOU Xiaozhi, LIU Shiqi, UPENDRA Baral, SAUNAK Bhandari · 2025

Coal measure gas is an important type of unconventional natural gas, and its formation and accumulation are the result of the coupling configuration of tectonic sedimentation. The Lesser Himalayan orogenic belt in Nepal is a key area for s…

Research on multi-scale discrete fracture 3D refined geological modeling and geothermal resource evaluation: A case study of Xianxian County geothermal field, Bohai Bay Basin Open

REN Xiaoqing, GAO Xiaorong, WANG Hongliang, LIU Jian, SUN Caixia, LU Xingchen, SUN Zhixue, REN Xiaoqing, GAO Xiaorong, WANG Hongliang, LIU Jian, SUN Caixia, LU Xingchen, SUN Zhixue · 2025

The Xianxian County geothermal field in the Bohai Bay Basin is highly developed, providing data support for the refined construction of geothermal field models and the evaluation of geothermal resources. Structurally, the Xianxian geotherm…

Current status and development directions of surface and in-situ low-carbon development and utilization technologies for oil-rich coal in Xinjiang Open

WEI Bo, YANG Shuguang, LI Xin, TANG Zhuyun, ZHANG Na, WANG Bo, ZHAO Chen, LI Jinru, ZHAO Zhengwei, FENG Shuo, JIA Chao, WEI Bo, YANG Shuguang, LI Xin, TANG Zhuyun, ZHANG Na, WANG Bo, ZHAO Chen, LI Jinru, ZHAO Zhengwei, FENG Shuo, JIA Chao · 2025

Xinjiang has significant advantages in oil-rich coal resources. The efficient and clean utilization of these resources can ensure the supply of oil and gas resources, promote the effective utilization of deep coal resources, and mitigate e…

Influence of tight sandstone gas in roof on gas production in deep coalbed methane wells: A case study of Shenfu block in Ordos Basin Open

WANG Xiaodong, WANG Yuchuan, LIANG Xiaolei, KANG Lifang, CHAO Weiwei, LIU Shiqi, HUANG Fansheng, WANG Wenkai, LIANG Yu, WANG Xiaodong, WANG Yuchuan, LIANG Xiaolei, KANG Lifang, CHAO Weiwei, LIU Shiqi, HUANG Fansheng, WANG Wenkai, LIANG Yu · 2025

In the Shenfu block located on the eastern margin of the Ordos Basin, the deep coal seam is intimately interlayered with the tight sandstone layer. During the development of deep coalbed methane, a notable phenomenon has been observed wher…

Acoustic logging curve fitting and its application in thin coal measure strata of K gasfield in Xihu Sag Open

WANG Rui, LIU Shu, HAO Weihang, YAN Shumei, XU Chen, LYU Peng, WANG Rui, LIU Shu, HAO Weihang, YAN Shumei, XU Chen, LYU Peng · 2025

The Xihu Sag in the East China Sea Shelf Basin is a large Mesozoic-Cenozoic oil and gas-bearing sag with abundant oil and gas resources. However, coal-bearing strata are widely developed in this area. In the Pingbei slope zone, the oil and…

Application of integrated geological-engineering fracturing technology in low-rank coal of Erlian Basin Open

HAN Mingzhe, YANG Xiaoping, MA Wenfeng, XIAO Mengmei, WANG Xuan, LIU Yuhan, JIA Wei, FANG Huili, ZHANG Yang, LIAN Xiaohua, WANG Qingchuan, NIE Zhikun, HAN Mingzhe, YANG Xiaoping, MA Wenfeng, XIAO Mengmei, WANG Xuan, LIU Yuhan, JIA Wei, FANG Huili, ZHANG Yang, LIAN Xiaohua, WANG Qingchuan, NIE Zhikun · 2025

Low-rank coalbed methane (CBM) resources in China are approximately 10.3 × 1012 m3, with the Erlian Basin group accounting for one-quarter of the total, indicating significant potential for large-scale industrial development. The coal rese…

Correlation Analysis of RMR and Q Systems in Himalaya Rock Mass Conditions: A Case Study of Seti-khola Hydropower Project, Nepal Open

Biplove Ghimire, Sijan Adhikari, Prakash Luitel, Biplove Ghimire, Sijan Adhikari , et al. · 2025

Rock mass classification systems such as Q, Rock Mass Rating (RMR), and Geological Strength Index (GSI) are widely applied in Himalayan tunneling to assess excavation and support requirements. This study aims to establish an empirical rela…

HIFLD OPEN Sand and Gravel Operations Open

U.S. Geological Survey, Department of Homeland Security · 2025

This map layer includes sand and gravel operations in the United States. These data were obtained from information reported voluntarily to the USGS by the aggregate producing companies. The data represent commodities covered by the Mineral…

HIFLD OPEN Refractory Abrasive and Other Industrial Mineral Operations Open

U.S. Geological Survey, Department of Homeland Security · 2025

This map layer includes refractory, abrasive, and other industrial minerals operations in the United States. The data represent commodities covered by the Minerals Information Team (MIT) of the U.S. Geological Survey, and the operations ar…

Research on deformation mechanisms in deep excavation tunnels and the application of the pile foundation-unit-type support Open

Leiyu Gou, Dong An, Yimin Song, Hailiang Xu, Wujian Xiao , et al. · 2025

To address the issue of tunnel deformation and failure following excavation in deep underground mining tunnels, this study focuses on the auxiliary transport tunnel in the northern wing of the 3 − 1 coal seam at a coal mine in Inner Mongol…

Analysis of the development height of the “two zones” and separation layers in overburden strata under repeated mining of close distance coal seams Open

Zhuoran Kang, Daming Yang, Zhuoran Kang, Daming Yang · 2025

Research on reasonable length of steeply dipping coal seam working face based on the fuzzy comprehensive evaluation method Open

Huiyang Zhang, Zhongping Guo, Fei Ma, Yuan-chao Liu, Huiyang Zhang , et al. · 2025

Automatic Detection of Mining Subsidence using InSAR and YOLOv11 Model Open

Lei Chen, Jianyu Wang, Ning Wang, Si-ao Liu, Hongwei Li , et al. · 2025

Underground coal mining will cause serious ground subsidence and affect the life and property safety of surrounding residents. Deep learning provides the possibility to process a large amount of data information, and can provide an effecti…

Comparison of Tunnel Construction Cycle Time with NTNU Model: A Case Study of Siddhababa Road Tunnel, Palpa, Nepal Open

Sijan Adhikari, Biplove Ghimire, Ghan Bahadur Shrestha, Chhatra Bahadur Basnet, Sijan Adhikari , et al. · 2025

This research investigates factors contributing to extended construction cycle times in tunnel projects within the geologically challenging Siwaliks region of the Nepal Himalaya, characterized by interbedded sandstone and mudstone. Focusin…

Sustainable utilization of gold mining tailings in concrete block production through solidification techniques Open

Yasa Palaguna Umar, Edel Weys, Fajri Anugroho, Putri Setiani, Chu Luong Tri · 2025

Bone Tool Functionality in the Bronze Age Copper Mines of Great Orme (UK): preliminary results Open

Olga Zagorodnia, Harriet White · 2025

This pilot study examines 150 bone tool samples from the Bronze Age copper mines at Great Orme, Wales, one of Europe’s most extensive prehistoric mining complexes. Through combined morphological, technological, and use-wear analyses – incl…

Characteristics of Environmentally Friendly Concrete Made from Tailings with the Addition of Sika Grout 215 New Open

Sandri Linna Sengkey, Geertje Efraty Kandiyoh, Olivia Moningka, Ventje Berty Slat · 2025

With the rapid development of the construction sector, demand for construction materials is also rising, while natural material reserves are declining. To anticipate this, it is crucial to find alternative materials for concrete production…

Research on multi-source information responses and instability warning in the deformation and failure process of coal and rock Open

Hui Cai, Hao Wang, Tao Huang, Chaohong Shi, Xinshuai Shi , et al. · 2025

An expansive global oxygenation of Earth’s surface environments 1.4 billion years ago Open

Hao Yan, Zheng Qin, Lingang Xu, Jingwen Mao, Dongjie Tang , et al. · 2025

Tunneling-induced Ground Subsidence Revealed by Spaceborne and UAV-borne Synthetic Aperture Radar Interferometry: A Case Study in Shenzhen, China Open

Mingshan Mo, Bochen Zhang, Linjie Zhang, Shuai Yuan, Songbo Wu , et al. · 2025

During the construction of subway lines, the excavation process of tunneling can sometimes cause safety hazards such as ground subsidence and cracks in surrounding buildings and roads along the excavation line. Therefore, monitoring the gr…

Insitu conversion mining and carbon-fixing backfill Open

Ju Yang · 2025

Based on intelligent unmanned mining machine, the in-situ conversion and carbon-fixing backfilling mining method is dedicated to the green, low-carbon, intelligent, and safe development and utilization of coal resources throughout their en…

Compressive Strength of Masonry Units in Cagayan’s Heritage Churches: A Reference for Sustainable Preservation and Seismic Vulnerability Assessment Open

Department of Civil Engineering, College of Engineering, University of the Cordilleras, Baguio City, Philippines., Engr. Edly Johnson P. Yere, Engr. Trisha D. Faustino, Department of Civil Engineering, College of Engineering, University of the Cordilleras, Baguio City, Philippines., Engr. Deryl Jhon L. Lucas , et al. · 2025

This study addressed a critical data gap concerning the mechanical properties of Unreinforced Masonry (URM) materials used in Cagayan’s Spanish colonial-era heritage churches, which are significant cultural assets highly susceptible to sei…

Analysis of the critical instability load of freeze pipes in coal mine shaft freezing engineering Open

Heng Zhang, Mingjing Li, Bao Xie, Chuanxin Rong, Yanqiu Qi , et al. · 2025

PyQtDZMix: A comprehensive Python tool for zircon U-Pb dating and quantitative material source analysis Open

Liu Fangbin, Guo Zhaohan, Yin, Ziyi, Zhang, Zhongbao · 2025

Prediction-assessment-optimization of water influx in underground coal gasification: A systematic method Open

Tianduoyi Wang, Juntai Shi, Zhenbin Xu, Beichen Zhao, Keliu Wu · 2025

HIFLD OPEN Refractory Abrasive and Other Industrial Mineral Operations Open

U.S. Geological Survey, Department of Homeland Security · 2025

This map layer includes refractory, abrasive, and other industrial minerals operations in the United States. The data represent commodities covered by the Minerals Information Team (MIT) of the U.S. Geological Survey, and the operations ar…

The Copper Revolution: Isotopic Tracing of Chalcolithic Networks from Varna to the Alps Open

Revista, Zen, HISTORY, 10 · 2025

The Chalcolithic period in Europe, often termed the "Copper Revolution", marked a transformative era characterized by the emergence of copper metallurgy and its profound impact on societal structures, technological innovation, and long-dis…

Mining engineering